Plant no deeper than these lines. While these flowering shrubs are low-maintenance, proper care will keep them blooming. When this happens, or when you decide it's time to split up a nice specimen to allow for another equally spectacular bush, follow these steps on dividing hydrangeas. Do it now while it is still dormant. Or maybe you just want it somewhere you can see it better. She says that when she read the instructions above for rooting hydrangeas she was … Use a hacksaw if the root balls are too large for the shovel to cut through. How to grow hydrangeas in a pot. Dig around the perimeter with sharp deep cuts and remove the root ball. Put the blade of the shovel up to your selected point and push downward to pierce through the roots. Divide summer-flowering plants in spring (Mar-May) or autumn (Sep-Nov) when the soil is dry enough to work. Hydrangeas need a soil pH below 6.5, depending on the cultivar and variety, to use iron. A slow trickle over several hours is best if you can manage it. As a registered respiratory therapist, she also has experience in family health, nutrition and pediatric and adult asthma managment. or those that you planted in too tight a spot. If you don't see any shoots or are getting pieces without roots, entire hydrangea plants can be dug and split into two or more pieces. The Endless Summer range of hydrangeas also offer a long flowering season in the garden, since the plants flower on both old and new wood. Buds for next spring’s blooms grow just below the old dead blossoms, and leaving them in place can … Grow your garden and increase your stock with this gardening tip. The base of the hydrangea stems will show signs of the soil line. If you try that, wait until spring and cut straight down from a stem. Tie the limbs of the hydrangea plant with the ropes into sections for dividing. Most assortments of hydrangeas can be effectively divided. Early spring is the best time to split hydrangea plants to avoid stressing the plant. Liles holds a Bachelor of Arts in journalism from Colorado State University and a Master of Science in technical communication from the University of Colorado. A higher pH will make them look discolored and wilted. Dig up the root ball of the hydrangea plant, taking care not to damage any of the roots. All Rights Reserved. Split hydrangea plants to limit the size of an existing plant and to add a new one to the garden. May 19, 2020 - It is not hard to divide hydrangeas but it does require some physical effort. Early spring is the best time to split hydrangea plants to avoid stressing the plant. Then, cover your plants with a dark sheet for two to three days. If you don't see any shoots or are getting pieces without roots, entire hydrangea plants can be dug and split into two or more pieces. The good thing with this method is you won't have to dig it up, the bad is if it gets knocked over by a critter or the wind, you may have to do it again. Learn which plants thrive in your Hardiness Zone with our new interactive map! She has been writing poetry and short stories for over 30 years, and published a variety of e-books and articles on gardening, small business and farming. Whatever the reason, transplanting hydrangeas is a common occurrence and not hard to do. If you don't see any shoots or are getting pieces without roots, entire hydrangea plants can be dug and split into two or more pieces. There is one time of year when deadheading a hydrangea may not be a good idea, and that’s right before winter. © Copyright 2020 Hearst Communications, Inc. Beginner's Guide to Gardening; Reader's Digest. Yellowing and droopy leaves may not be a soil or water problem at all, but a pest infestation. Shrubs like hydrangeas flower from mid to late summer on the previous year's growth. It is possible to divide hydrangeas if you find multiple stems or suckers coming from the ground, but the roots are very tough and it is a very difficult process. Place the shrub into the hole making certain the new planting depth matches the old depth. Use a shovel to split the plant down the middle (like you are digging a hole in the middle of the plant). They need to be divided in the early spring, just as new growth is evident near the base of the plant. When to divide hydrangeas? They will grow very quickly and they do require a lot of space so they are typically divided and spread out. This keeps the hydrangea bush contained for easy transport. Loosen the soil along the sides of the hole so the roots can penetrate easily and re-establish themselves quickly. Mophead and lacecap hydrangeas will bloom satisfactorily with little attention, but regular pruning encourages new, vigorous growth that can produce a better display. Summer through to autumn is the best time to divide them, but you can also try this with newly bought plants, too. Divide the rootball into the number of sections that you want, again, by making sharp cuts. If planting in fall, wait until the weather cools down a bit and the plant is starting to “go to sleep.” Avoid planting in the heat of summer. You can also use a pot of good potting mix in a good size pot and bend the wounded branch into the pot and placing a rock over it or using a metal clip to keep it in place. You can plant hydrangeas either in spring or fall, with spring being ideal. Bigleaf hydrangeas, H. macrophylla, react to changes in soil pH. Gently remove one section while keeping as much of the root structure intact as possible. Use a hacksaw if the root balls are too large for the shovel to cut through. Smaller plants need only be split once while larger plants do well when split into several smaller hydrangea plants. Bigleaf hydrangea responds to severa… Our Hydrangea Guide provides summer plant care tips for all you need to know about growing hydrangeas—from watering to fertilizing to pruning to winter care. Dividing Your Hydrangeas. If your hydrangeas seem to be doing too well, or seem to have passed their prime, divide or split your plant and relocate the new section. Dig the new hole for the hydrangea plant and fill partially with water. Plan the perfect garden with our interactive tool →. She is currently enrolled at Kent State University completing her bachelor's degree in English. How to Grow a Pia Hydrangea as a Container Plant. Should You Deadhead Hydrangeas in Winter? (The plants are too far along into the summer and are too big to divide, now.) Fill in around the parent plant's root structure with fresh topsoil and water daily until you see new growth, then water as usual. Most put on a … If you see intricate white webbing on the underside of the wilted leaves, the likely culprit may be spider mites; parasitic insects that sap you plants of nutrients. You may especially want to move it if you planted it in full sun last season and have discovered that it’s not doing as well as you’d hoped. Dig the new hole for the hydrangea plant and fill partially with water. These plants should be pruned regularly to encourage growth of new shoots that will flower later in the year. The plants can grow from 1 foot tall, all the way to close to 100 feet tall as a climbing vine! Plants can be divided successfully at almost any time if they are kept well-watered afterwards. It’s important to note that to split hydrangeas the plant need to have at least 2 stems coming from ground level, many as the grow will have one main stem and then several smaller offshoots (sometimes large off-shots) from ground level. However, division is most successful when the plants are not in active growth. ; Remove the shrub from the container, gently tease the roots and cut away any circled or tangled roots. Divide the rootball into the number of sections that you want, again, by making sharp cuts. These colorful plants require little maintenance provided the soil remains in the acceptable pH range and pests keep their distance. Generally, woody-based plants (trees and shrubs) do not divide successfully. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Lift the entire root ball from the hole and sever the ball in the middle with the shovel, into two sections. Most hydrangea species make colorful garden accents that flower from midsummer to mid fall. Dig around the perimeter with sharp deep cuts and remove the root ball. Water the transplant daily until the hydrangea plant has established itself in the new location. There are exceptions - many species of hydrangeas tend to be caning shrubs or shrubs that produce multiple stems/trunks from the root crown. Wait until the hydrangea plant is dormant before splitting the plant. When your hydrangeas begin to outgrow their garden space, consider dividing or splitting the plant. These insects hate shade and your hydrangeas will appreciate a short respite from the hot sun. Confining the branches also exposes the root stem for easier digging. Julie Richards is a freelance writer from Ohio. Select the area of the root ball’s middle where you want to divide. Pruning in late winter will thin out the plant and allow light and air to circulate encouraging fresh shoots, and discouraging weed growth and pest infestations. Spread the root ball slightly to expose more of the root system of the hydrangea plant. When to divide perennials. A: Not many shrubs can be divided a la perennial flowers, but hydrangeas are an exception - and probably one of the easiest to "make babies" this way. Likewise, other species, including the climbing hydrangea, will benefit from a trim. Dig up the root ball of the hydrangea plant, taking care not to damage any of the roots. Most generate from a single stem or trunk and dividing that puts the entire plant at risk. Dig out all of the roots that go with that section and water the new plants well until they get established. A slow trickle over several hours is best if you can manage it. You can … A smaller plant should be split in half while larger hydrangeas can be split more than once. Separate the bush in equal halves by pushing the two sections apart to reveal the root ball or crown. 2. If planting in spring, wait until the ground has warmed up and is easy to work with. Remove the rope from the plant. Water it well before you start. Avoid planting it in hot, dry, exposed sites. Mar 1, 2017 - Sometimes, divide and conquer is the best way to deal with unruly established hydrangeas (Hydrangea spp.) Do it now while it is still dormant. May 25, 2020 - It is far from hard to divide hydrangeas however it does require a few physical effort. The best time to divide bigleaf hydrangeas is very early spring, just as new green buds are starting to swell and open along the stems. The best two times to divide hydrangeas are in the fall when the leaves have fallen and the bushes are ready to go dormant, or in the early spring before new growth begins. Hydrangeas are unique in that you can control their color. Start digging a shallow trench at least 2 feet from the main stem and continue digging until you have located the outer section of the root ball. Water it well before you start. The beautiful flowers produced by this plant is what makes these so popular. With immense flower heads, hydrangeas flaunt an old-fashioned charm in summertime that’s hard to resist. 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