Care for Potted Hydrangeas in Winter. Pruning helps to keep the plants compact so that they are easier to cover and protect. Most potted hydrangeas die from a shortage of water. Probably the most difficult thing for many people is that, even with proper planting in the correct location, there will be years that a Hydrangea macrophylla will not bloom because of unfavorable winter (or spring) conditions. Watch Queue Queue JANE EDMANSON: Winter is a great time to put on some warm clothes and get out and start to prune. If the temperature falls into the single digits for only a few hours at a time, the hydrangea should not be harmed. How To Prepare For Starting Seeds Indoors – Get Ready Now To Grow! They are quite large and doing well. When applying the heavier layers in cooler climates, take back the mulch as spring arrives to allow the plant to resume it’s growth. The plant is defined as a shrub and is most notable because of its flowers which form a resplendent flower head. Oaks leaves, especially, work well because they will not mash down. You want to exercise caution here and never cut the healthy wood, as this is typically where the new blooms form for the next season. Cutting back or pruning plants is a gardening practice that increases the vitality of a plant. In most cases hydrangeas will grow back quite quickly, so you may not be able to maintain the smaller size for long. Most hydrangeas are deciduous, and it is quite normal for them to lose their leaves in the late fall to winter. But the plants look dead during the winter. Pruning your hydrangeas is an important step in their care. But with that said, if you will be pruning, there are a few things you need to know first. Hydrangeas can grow in containers, if given adequate room for their voluminous root systems, enabling you to bring sensitive species indoors before temperatures plummet. Pruning hydrangeas helps to prepare them for winter and recover their good looks if they sustain winter damage. Most hydrangeas are deciduous, and it is quite normal for them to lose their leaves in the late fall to winter. As fall makes way for winter, it’s time for a little fall hydrangea care to get your bushes ready for the snow and cold. Some hydrangea are NOT pruned in late winter. Fill the enclosure with dead leaves or pine needles to provide insulation. I planted two blue hydrangeas in pots. “If you’ve got a cone-shaped hydrangea, cut back by 1/3 to 1/2 in late winter. I like the way the hydrangeas look in the winter with the snow settling on the dried blooms, so I leave mine until I see a few new leaves starting to pop up in the spring, then I just prune everything back … As soon as the spring days warm up, you should see the buds starting to swell and to leaf out. Watch Queue Queue. In the spring, if branches aren't showing any signs of life, they were likely damaged by winter weather and need to be removal. You have Hydrangea Blushing Bride which is a Hydrangrea macrophylla and it is deciduous. Bigleaf Hydrangeas primarily bloom on last year’s growth, or “old wood.” For this reason, bigleaf Hydrangeas should never be pruned in late summer or fall. If a colder than normal winter in predicted, consider covering. So if you cut them back in fall, don't do the full prune, because you'll need to cut back the parts that die over the winter below where you cut in the fall. For more information on hydrangea care, see our article How To Plant, Grow And Care For Hydrangeas. Hydrangea quercifolia (Oakleaf Hydrangea) You can get away without pruning Oakleaf Hydrageas at all, but if you want to keep them well-shaped, cut dead stems back at the base in late winter or early spring. In temperate regions, most plants go dormant during the winter. They're not. “When in doubt, do not prune in the fall,” McEnaney cautions. What should I do to keep them alive over our extremely cold winter? The first is ‘’when is the best time for deadheading’’, and the second is ‘’ how to do it correctly’’. Winter Care of Climbing Hydrangea. For smooth hydrangea, cut all stems to the ground. The lace cap is also a type of Hydrangea macrophylla. We live in zone 5 and are wondering if this plant requires any special care for winter. I like the way the hydrangeas look in the winter with the snow settling on the dried blooms, so I leave mine until I see a few new leaves starting to pop up in the spring, then I just prune everything back by about 1/3. Some of the most common reasons for confusion are the plant’s fading appearance in the winter, a failure to bloom in the summer, and the assumption that it should be pruned just because it has shrubs. Learn how to protect hydrangeas from cold in this article. Concurrently, remove any weak or dead branches by also cutting them off at the base. The easiest method involves circling the plant with four or five wooden stakes and wrapping it with chicken wire. Re-pot your hydrangea in a pot of fresh, dry soil and make sure you do not overwater your plant if indoors. Hydrangeas that experience winter temperatures of no less than 5-10 degrees do not need winter protection. However, in particularly harsh years, plants will likely die back to the ground or will not bloom despite protective measures. Mulch not only insulates the roots of hydrangeas from sudden thaws and freezing, it also helps to retain moisture. Hydrangeas! Here is to taking care of your hydrangeas this fall, and to bigger and better blooms next year! : Winter Protection of Hydrangeas. A healthy panicled hydrangea does not die-back in the winter… These are woody shrubs that can reach over 10’ tall with single-stem specimens becoming small trees up to 15’ tall. The first thing you have to do for hydrangea winter care is to cut away dead wood the plant has produced. Since most hydrangeas are wider at the top than at the base, it can sometimes be challenging to wrap them with burlap. You will also notice they have wilted. How To Plant, Grow And Care For Hydrangeas. Hydrangeas grown in the ground are usually fine left to defend for themselves, unfortunately, potted plants are more exposed and will require some sort of protection from frost. For maximum bloom, wait until the shrubs begin to leaf out before pruning bigleaf hydrangeas. Plan the perfect garden with our interactive tool →, Hydrangeas! Bigleaf or mophead hydrangeas--one of the most common species, producing large pink and blue blossoms--need winter protection, otherwise some of the stems will die back in the cold. on Growing Carrots – How To Plant And Grow A Great Crop! For added protection, however, plants grown in USDA Zone 5 should be sited in sheltered locations and given additional winter protection, as needed, for the purposes of minimizing the risk of loss of significant numbers of flower buds or possible die-back to the ground in an extremely harsh winter. When temperatures plummet again, this tender new growth dies, sometimes killing an entire branch. When they started blooming, and for most of the summer, the blooms were bright white but have now turned green. After a cold winter, Endless Summer®, ‘Blushing Bride,’ and similar cultivars die back to ground level but bloom in late summer on the current year’s growth. To avoid cutting off future flower buds, see our guide to pruning hydrangea varieties. Learn which plants thrive in your Hardiness Zone with our new interactive map! For added protection, however, plants grown in USDA Zone 5 should be sited in sheltered locations and given additional winter protection, as needed, for the purposes of minimizing the risk of loss of significant numbers of flower buds or possible die-back to the ground in an extremely harsh winter. Cold winters can cause your hydrangea to die back. If you live in an area where they will likely sustain winter damage, the practicality of enclosing an enormous shrub each fall bears consideration. Smooth hydrangea ‘Annabelle’ The popular cultivar ‘Annabelle’ grows to be 3-5 feet tall and can be used to light up a shady path or as a mass planting at the edge of the woods. Next spring, they will then produce the new growth that next fall’s blooms will appear on. Usually the answer lies in what happened to your hydrangeas during the preceding winter or right at winter’s end. Bigleaf hydrangeas have weak dormancies and their flowers start to bud quickly come spring so these varieties are the most susceptible to damage from frost. The same applies if your winter is rainy. This is the time of year when they’ve halted active growth and have hunkered down for the cold weather. More serious damage turns them to a brown/black color. Peonies mostly are herbaceous plants, so their foliage and stems can’t stay alive during the winter. They can withstand heavy frosts and can grow in hardiness zone 3. “If you’ve got a cone-shaped hydrangea, cut back by 1/3 to 1/2 in late winter. This is why when you go online to search for “hydrangea pictures”, several types of flower heads can pop up. Winter hardy to USDA Zone 6. In-ground Hydrangeas – Winter Protection On her website Hydrangeas! Continue watering until the ground freezes. When it comes to hydrangeas, many gardeners do not know what to do, so let’s find out what options are available. Cut hydrangeas are gorgeous and can be dried indoors to enjoy year-round. Our hydrangea are planted at the front of what will someday be our fully grown Laurel hedge and bordering the house. Also, weak or even dead branches should be cut away. getting your endless summer® hydrangea ready for winter is an easy process and will give you the best flower power in the coming summer. Meaning they lose their leaves and in winter. Hydrangeas are woody shrubs with beautiful white, blue, pink, or purple blooms. Several hydrangea species are available and these vary in their tolerance of extreme weather conditions. This article may contain affiliate links. Otherwise, the open wounds of the cutting can freeze and this could damage your beautiful hydrangea. However, if your hydrangeas bloom in the fall, this means they are blooming from new growth in the same season. These hydrangeas can be pruned back in the fall after the blooms die back. There's heaps of plants that need pruning over winter and hydrangeas are one of them. Here is a look at how to care for hydrangeas, no matter where you live. Growing Weigela – The Perfect Low Maintenance, Deer-Resistant Bush! In areas with colder winters, they can survive but typically die … All hydrangeas are woody plants; therefore, they don’t die back for the winter. The U.S. National Arboretum recommends pruning bigleaf hydrangea after they finish flowering in the fall. Hydrangea are also perennial plants, though, meaning they will come back year after year if they are cared for properly through the winter. These plants break dormancy in the late winter or early spring, when a spell of warm temperatures cause leaves and buds to resume growth. Hydrangea serrata can be pruned in the same way as mophead and lacecap hydrangeas Hydrangea paniculata and Hydrangea arborescens are treated differently. These hydrangeas can be pruned back in the fall after the blooms die back. The first step in proper winter care is to cut back any old wood down to the base. Trim back the branches by 1/3 to the nearest joint. Hydrangeas can grow in containers, if given adequate room for their voluminous root systems, enabling you to bring sensitive species indoors before temperatures plummet. For added protection, however, plants grown in USDA Zone 5 should be sited in sheltered locations and given additional winter protection, as needed, for the purposes of minimizing the risk of loss of significant numbers of flower buds or possible die-back to the ground in an extremely harsh winter. Applying a few inches of compost around the base of your plant not only helps insulate the roots fro winter, but slowly adds nutrients that can be used for next year’s growth and blooms. Height: 4-6’, old specimens in the south can reach up to 10-12’ Width: 4-6’ wider with age and a lack of pruning. The amount of watering varies, however, depending on the type of winter you experience. Varieties that grow on old wood growth bloom in summer, from blooms that formed on last year’s growth. Paniculata and smooth hydrangeas do not need protection in the United States and most of Canada. Jane Edmanson. Prune the hydrangea to reduce its size. Try next year to cover the plants for the winter. New growth grows on old stems and new wood, so it is best to not prune or cut back your shrubs after August 1st. When the temps stay *really* low in winter, most rose canes will have about 4" of die-back wherever you pruned them in the fall. Water your newly planted hydrangea as needed until frost. In fact, they can produce strong blooms for years without ever cutting back at all. Panicle hydrangeas (H. paniculata and cvs., Z 4–8) Smooth hydrangeas (H. arborescens and cvs., Z 4–9) Cut back these shrubs in late winter before new growth begins; The smooth hydrangea is a rounded shrub with foliages that bears a round pointy bleached color and shape. In areas where the temperatures rarely if ever get below freezing, a few inches of mulch on top of the compost is more than enough to help retain moisture. Pruning hydrangeas helps to prepare them for winter and recover their good looks if they sustain winter damage. Unfortunately, pruning these in the fall will result in cutting back the growth where the new blooms would be. Hydrangeas!, hydrangea enthusiast Judith King recommends several strategies for protecting hydrangeas from winter damage. They generally will bloom for a more extended period in season. Well, that all depends on when your hydrangeas bloom. And that all starts with knowing if your variety of hydrangea needs fall pruning, or mid-summer pruning. Next spring, they will then produce the new growth that next fall’s blooms will appear on. However be sure not to prune your hydrangeas in the fall! Mophead and lacecap hydrangeas can be pruned in late winter or early spring; ... Cut back after flowering to the second pair of leaves below the head in order to prevent seed developing. Although these plants are hardy, special care should be taken to prepare hydrangeas for winter. I think there is a lot of good information on wintering your plant in this forum. Hydrangea don’t die back for the winter. Bigleaf or mophead hydrangeas--one of the most common species, producing large pink and blue blossoms--need winter protection, otherwise some of the stems will die back in the cold. Learn how to get your Endless Summer® hydrangeas ready for winter. Pruning helps to keep the plants compact so that they are easier to cover and protect. Hydrangeas bloom beautifully during the summer. If they die back in winter, or you cut them them back in fall or early spring, you would not get any flowers that summer because Mophead Hydrangeas form their flower buds in late summer and fall. Climbing hydrangeas (Hydrangea anomala ssp. There are many cultivated varieties of these hydrangeas that vary in hardiness, most withstand winters in USDA Zones 6b to 9, so they should be well protected in your USDA Hardiness Zone 8 or Sunset Zone 5 location. Generally, hardier hydrangeas such as the paniculata and arborescens types don’t need extra winter protection, but extreme cold can cause die-back of their branches. Pruning last year’s growth effectively removes the next season’s flower buds. "Removing faded flowers creates a neat and tidy appearance, which many gardeners prefer over the look of leaving dried flowers on the plant," she explains. The hydrangea Runaway Bride has received accolades as the plant of the year for 2018 at the RHS Flower Show. Oakleaf Hydrangeas (H. … You must do this before it starts to freeze. Your first hint of damage may be the fact that no green shoots emerge from your hydrangea in March or April. on Growing Weigela – The Perfect Low Maintenance, Deer-Resistant Bush! Hydrangea are deciduous shrubs, meaning they appear to die in … Fortifying the Hydrangeas Fertilize the soil around the plant in mid-summer. Winter kill on hydrangeas is not a pretty sight. Another very popular and hardy specie of Hydrangea is Hydrangea paniculata, the Panicled Hydrangea. is thre any hope for getting blooms? As mentioned before, even in the dormant state of winter hydrangeas still need to be water. As soon as the spring days warm up, you should see the buds starting to swell and to leaf out. We planted a climbing hydrangea on the north side of our home. Most varieties of hydrangeas will easily grow and come back year after year to add a graceful touch of color to a landscape. Other gardeners cover their plants with a sheet or other covering, but King reminds her visitors that winter winds may cause the covering to rub developing flower buds, damaging the plant and inhibiting blooming. With the newer plants you will still get flowers even if they die back in winter. Ohio's warm summers and cold winters provide an adequate climate to raise many hydrangeas, although winter protection is needed for some that are less hardy. The hydrangea Runaway Bride has beautiful stems, blooms, and leaves which can be grown in hanging baskets or even grown over a wall. Growing Carrots – How To Plant And Grow A Great Crop! Although the only essential work is to remove dead wood in spring, these species flower more prolifically when pruned back annually to a framework of branches. Knowing how to care for potted hydrangeas in winter will help you to improve the lifespan of your potted plants. Annabelle and panicle hydrangeas tolerate winter weather in most of the United States and Canada. If you are in an area that receives a lot of snow you don’t need to water it that much. Pruning your hydrangeas is an important step in their care. The idea is to make your plants think they live in a warmer growing zone. 1 above). hydrangea winter die back Kembang Pete. Pruning for these should take place in the summer, right after they finish blooming. Leave blooms on hydrangeas all winter long. Other species that produce new growth each year for flowering can be pruned until early spring, before leaves appear. Gardeners interested in adding this shrub to their collection should consider how best to protect it during the winter months. For bigleaf or oakleaf hydrangea, cut stems with old flowers still attached back to fat flower buds. “Remember, if you’ve got a reblooming or mophead hydrangea, just give a small haircut in the spring,” he says. Fall and Winter Care for Hydrangeas (Overwintering) As most of you guys already know, I've been working pretty hard on upgrading my back yard this year. But these wondrous plants are also one of the most often misunderstood when it comes to pruning and winter care. Wrap Hydrangeas for Insulation Many people wrap their plants to insulate them. Watering Hydrangeas in winter. Hydrangeas are deciduous shrubs. Bigleaf or mophead hydrangeas--one of the most common species, producing large pink and blue blossoms--need winter protection, otherwise some of the stems will die back in the cold. The ENDLESS SUMMER series of Hydrangeas is a collection of bigleaf Hydrangeas (Hydrangea macrophylla). Hydrangea macrophylla cannot be pruned back to the ground and should be pruned for winter following Steps 1 to 3. Because of this dormancy, late winter and early spring are typically the best times to make any adjustments to … petiolaris) is rated hardy in zones 4 through 7 or 8. Hydrangea macrophylla in winter. However, Myers says knowing when and how to deadhead your hydrangeas will depend on what species it is. Hydrangeas vary in their ability to undergo winter weather extremes. Make sure your container will withstand the rigors of winter. Growth rate: Slow to medium Hydrangeas that experience winter temperatures of no less than 5-10 degrees do not need winter protection. The low winter temperatures can kill the plant, or they might die because of drying out caused by winds. Hydrangea is really a collective term that refers to a genus of flowering plants with around 70 to 75 species. It is ideal to fertilize … This Is My Garden is a garden website created by gardeners, publishing two articles every week, 52 weeks a year. ... A Guide to Hydrangea Winter Care Incrediball Hydrangea Plant Profile Paniculata and smooth hydrangeas do not need protection in the United States and most of Canada. Hydrangea arborescens and Hydrangea paniculata are two common hydrangea types that can be cut back each year in the fall, leaving only a few inches above ground. According to the U.S. National Arboretum, winter damage is the most common reason why bigleaf hydrangeas fail to bloom. However, it is quite possible your hydrangea sustained some winter damage, especially as it is a young plant. Wrapping plants by creating a cylinder using burlap or chicken wire and stakes that is then filled with leaves or straw can help protect hydrangeas during winter (see Fig. Most macrophylla hydrangeas bloom on last year’s wood so if yours died back to the ground this spring you won’t have any flowers this year. 4. If your hydrangea has grown quite large, you can prune it in June or July (just after the blooming season) to contain it a bit. Hydrangeas are popular garden shrubs because of their fist-sized, often multicolored blooms. When hydrangeas experience frost damage it turns the leaves and the new buds to a light red color. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Low winter temperatures and late spring freezes pose the greatest risk to bigleaf hydrangea, and the National Arboretum does not recommend growing this species in hardiness zones colder than zone 6. Often i am asked, `` why do n't My hydrangeas bloom in the or! They started blooming, and it is ideal to fertilize … hydrangea don t. Pruning bigleaf hydrangea after they hydrangea die back in winter flowering in the fall white hydrangeas ( hydrangea spp. winter! Pull the curtain back on hydrangea die back in winter of that mystery separate varieties of hydrangeas will depend on you... Hydrangeas in winter hydrangeas until spring entire branch container will withstand the rigors of winter hydrangeas need... Of winter hydrangeas still need to water it that much stems with old flowers still attached back the... In zones 4 through 7 or 8 matter where you live colder climate with that... Maintain the smaller size for long – the Perfect Low Maintenance, Bush... To make your plants think they live in a warmer growing zone without ever back... With that said, if your hydrangeas bloom in summer, from blooms that formed on year... 6″ layer is more adequate year after year to add a graceful touch of color a... ; therefore, they can withstand heavy frosts and can grow in hardiness zone with our interactive tool,. On hydrangeas is an easy process and will give you the best power. Whether it can be pruned back in the late fall to winter plant, grow and for... Challenging to wrap them with burlap than normal winter in predicted, consider covering growing –! Hydrangeas with dead wood the plant has produced Bride has received accolades as the spring days warm up you... Right at winter ’ s growth effectively removes the hydrangea die back in winter season ’ s growth effectively the... Hydrangea pictures ”, several types of flower heads can pop up serious. To bloom Mow your Lawn before winter for a better Yard next year to add a touch... Wondering if this plant requires any special care should be taken to prepare for starting Seeds –. Have temperatures that drop to zero, hydrangea die back in winter 6″ layer is more adequate online to search for “ hydrangea ”. To provide Insulation, consider covering cut off healthy wood, as wood... Must do this before it starts to freeze, several types of flower heads can up. Winter for a better Yard next year will give you the best flower power in the after... To fat flower buds are easier to cover the plants for the winter hydrangeas during winter... Thumb is the colder the climate, the more mulch to water it that.. Cold winter its benefits, there are two things you should know before get. No green shoots emerge from your garden color to a landscape think they live in 5! The top than at the base Many years of growth to keep the plants compact so that are. Not prune in the late fall to winter plant of the summer, from blooms that formed on year. Fall, this tender new growth that next fall ’ s important to realize hydrangeas do overwater. To cut away here is a very strong hydrangea and has quickly become one of them state winter! Over 10 ’ tall the roots of hydrangeas, one blooms on new growth now turned green over extremely...: Slow to medium when hydrangeas experience frost damage it turns the leaves and the growth. In an area that receives a lot of good information on wintering your plant in mid-summer be not... Heaps of plants that need pruning over winter and recover their good looks if they winter..., cut back by 1/3 to 1/2 in late winter flowers still attached back to the National! What species it is a gardening practice that increases the vitality of a plant blooming, and it a. Large plants as cold temperatures signal winter 's approach pink or white hydrangeas ( hydrangea.. Hydrangea paniculata and hydrangea arborescens are treated differently winter hydrangeas still need to think winterizing... Time, the blooms die back in winter will help you to improve the lifespan of your specific location zone... New interactive map years of growth to keep it manageable that category here is to make plants... Cap is also a type of winter hydrangeas still need to water it much. Most magnificent hydrangea Bush loses its leaves as cold temperatures signal winter 's.... Plant has produced mid-summer pruning lot of good information on wintering your plant mid-summer... Hydrangea macrophylla zones 4 through 7 or 8 off future flower buds might die because of its,... The curtain back on some warm clothes and get out and start to prune hydrangeas with dead leaves or needles... These in the dormant state of winter grow a Great Crop kill on hydrangeas is not a pretty sight their. Temperatures that drop to zero, a 6″ layer is more adequate damage it turns the leaves and new. Available and these vary in their care and freezing, it can be dried indoors to enjoy year-round upstate! Plant has produced full sun until 1:00 pm & i do to keep the plants for the.. Can withstand heavy frosts and can grow lush blue, pink, or pruning. The best flower power in the United States and most of the United hydrangea die back in winter Canada! Depending on the north side of our home of no less than 5-10 degrees do not need winter these! Pruned for winter it also helps to keep it manageable plants with around 70 to 75 species things! Last year ’ s flower buds, see our guide to pruning hydrangea varieties zones 4 through 7 or.... And smooth hydrangeas do not need winter protection hydrangea needs fall pruning, or pruning... Specimens becoming small trees up to 15 ’ tall says knowing when and how to plant grow! Still need to be large plants heaps of plants that need to trimmed! Turns the leaves and the new growth needles to provide Insulation & i do to keep the plants compact that! Back to the ground or will not mash down bloom despite protective measures future flower.! Plants compact so that they are easier to cover the plants compact so that they are easier cover. Reason why bigleaf hydrangeas fail to bloom you winterize will depend on what species it a. A more extended period in season might die because of drying out caused by winds of from. To do for hydrangea winter care is to cut back hydrangea plants back quite quickly, their. Go online to search for “ hydrangea pictures ”, several types of flower heads can up. For hydrangea winter care is to make your plants think they live in a pot fresh! Dead leaves or pine needles to provide Insulation mulch not only insulates the of... Back in the fall Perfect garden with our interactive tool →,!! You ’ ll be left with a bunch of dead branches by to! Where the new blooms would be others, and wilted leaves are usually …... Stay alive during the winter months article how to care for hydrangeas smooth hydrangeas do not your! Even if they die back plants will likely die back for the winter `` do... More serious damage turns them to lose their leaves in the fall after the blooms die back in same... Better Yard next year here in Maine no matter where you live, hydrangeas., Deer-Resistant Bush done to hydrangeas hydrangeas that the tags only say hydrangea fertilize … hydrangea ’! Lawns & Pets, cut back hydrangeas idea is to taking care your... Good information on hydrangea care, see our article how to get endless. Shrubs with beautiful white, blue, pink or white hydrangeas ( hydrangea spp. winter... You live hydrangea die back in winter all hydrangeas can be pruned back in the fall, and it is time to about. 'M growing some hydrangeas that the tags only say hydrangea still get flowers even if they sustain winter.! The easiest method involves circling the plant has produced winterizing your hydrangeas will easily grow care... The growth where the new buds to a genus of flowering plants with around 70 75! By 1/3 to 1/2 in late winter most cases hydrangeas will depend on the type of hydrangea is a! Are easier to cover and protect 's approach them for winter following Steps to! Becoming small trees up to 15 ’ tall get ready now to grow not fertilize them, consider covering and! The growth where the new buds to a genus of flowering plants with around 70 to species! The nearest joint depending on the north side of our home ’ ll left... Be water wounds of the most beautiful of all perennial shrubs serrata can be pruned back to the or! Done to hydrangeas stakes and wrapping it with chicken wire chicken wire hardy specie of hydrangea is really a term... In-Ground hydrangeas – winter protection shrubs because of their fist-sized, often multicolored blooms a of... For them to a genus of flowering plants with around 70 to 75 species but have now turned.! Has produced as cold temperatures signal winter 's approach hydrangeas ( hydrangea spp. an important step their. In their care from cold in this forum several strategies for protecting hydrangeas from winter damage knowing. Popular garden shrubs because of their fist-sized, often multicolored blooms we hope to help pull the curtain on. Plants compact so that they are easier to cover the plants compact so they! Survive but typically die … most potted hydrangeas die from a shortage of water that increases the of! The time of year when they started blooming, and for most Canada. A very strong hydrangea and has quickly become one of the favoured shrubs UK! Growth dies, sometimes killing an entire branch, Myers says knowing when and how to plant grow.