Up to six feet wide and up to 50 feet tall. Other variety simply lose their leaves. Joey Williamson, 2008 HGIC, Clemson Extension. Aluminum is available to the plant in acid soils. If you can, and the tree is not already shaded, try to provide some sort of shade for the tree during the hottest part of the day, like an umbrella or bed sheet. Be careful not to overwater, which can cause root rot and other diseases. An area that receives sun in the morning and shade in the afternoon will be best. This will help maintain its shape and increase the number of flowers it produces. However, the hydrangea is a beautiful addition to your garden. Hydrangea Size Chart - How Big do Hydrangeas Get View Map. Like any other plant, hydrangea trees require water. Hydrangea paniculata 'Grandiflora The following are some common issues to watch out for. This way the plant can really take to the soil without having to withstand extreme temperatures. Hydrangeas Expect to water and feed your shrub regularly, and prune to maintain its shape. Water the cutting well, making sure the soil is moist but not overly wet. If you may have miscalculated the space allocated for your hydrangeas and moving them is not really an option for you, there are a few things you can do to manage their size. Because the hydrangea tree is actually a bush, it has some similar structural elements to a bush. WebReaching up to 15 feet in height, the hydrangea grows quickly and often fills in a space in just one summer. Height: 1 to 3 feet: Width: 2 to 12 feet: Flower Color: Blue, Green, Pink, Purple, Red, White: Foliage Color: Blue/Green, Chartreuse/Gold: Season Features: Colorful Fall Foliage, Fall Bloom, Summer Bloom, Winter Interest: Special Features: Cut Flowers, Good for Containers, Low Maintenance: Zones: 3, 4, 5, 6, 7, 8, 9: Propagation: Leaf May display best shrub form if regularly pruned to a height of 6-10 tall. Propagation methods: Layering, Semi-ripe cuttings, Can get aphids, capsid bug, glasshouse red spider mite and hydrangea scale. Extremely Tall While most hydrangeas are deciduous shrubs, there are climbing deciduous vine varieties that ascend structures to great heights. If you leave it on the ground and dont let it climb it will cover a space of 200 square feet or more. Planted appropriately, they can grow to 25 feet (7.6 m.) high and 20 feet (6 m.) wide. The tree hydrangea will also benefit from some fertilizer in the spring. But it achieves its best form when grown as a large shrub with multiple stems. Tree hydrangeas, including Pee Gee hydrangeas, tolerate almost any type of soil, including acidic or alkaline, as long as it is well draining. It grows on average to no more than 10 feet wide and 10 feet tall. Can they grow in a container? Use a pitchfork or shovel to loosen the soil around the hole. They need plenty of water, so plan to water thoroughly once per week or more frequently. Insect pests on hydrangea include aphids, leaf tiers, and rose chafers. Read on for tree hydrangea information. It has very large leaves that are shaped like hearts and spiky white flowers. long and 3 inches (7.5 cm.) This will allow you to allocate enough space for it in your garden, or simply choose a smaller variety if you dont have enough space. Light Hydrangeas do well in the partial shade provided by tall deciduous trees, especially if they receive morning sun and the partial shade occurs in the heat of the afternoon. Annabelle produces enormous (to 1 foot) globular clusters of sterile white flowers on a plant about 4 feet tall. Join our mailing list to receive the latest updates from HGIC. Can they grow in a container? Cover the roots with 3 to 4 inches of mulch, taking care to remove it as soon as the temperatures warm up. WebThe Pee Gee hydrangea grows to a height of 1020' and a spread of 1020' at maturity. WebThe blue hydrangea grows to a height of 36' and a spread of 36' at maturity. Hydrangea trees typically grow to reach 6-8 feet tall with a canopy width of 4-6 feet wide. If the affected area is small, you might just want to prune it off. In Zones 4-6, Limelight hydrangea trees grow the best blooms when planted in sites with full sun. Your satisfaction guaranteed; we want you to be 100% satisfied with any product you buy from us. WebSmooth or Snowhill Hydrangea (Hydrangea arborescens): This is a 5-foot-tall deciduous shrub with oval, grayish green, 4- to 8- inch leaves. Bigleaf hydrangeas (Hydrangea macrophylla) need ample moisture and afternoon shade to prevent wilting. The leaves are typically a creamy white color and they gradually turned pink. The Short Answer. WebThe oakleaf hydrangea grows to a height of 46' and a spread of 46' at maturity. Flowers are dull white and bloom late June through September. Container culture is not common for hydrangeas, but Vanilla Strawberry is a relatively small cultivar that can be grown in a large patio or deck container. Climbing Hydrangea. Extremely Tall While most hydrangeas are deciduous shrubs, there are climbing deciduous vine varieties that ascend structures to great heights. In hot weather, its important to make sure they are well-watered to prevent stress on the plant. Hydrangeas The best container material is unglazed clay to allow excess soil moisture to evaporate through its walls. Leave only the top two leaves and dip the cut end in a rooting hormone before sticking it in damp soil or another potting medium. Tree hydrangea is another type of hydrangea. The white flower clusters are 6 to 10 inches wide in lacecap effect. Wondering how big does a hydrangea tree get? With old wood hydrangeas, wait until theyre done flowering in midsummer and simply cut one-third of the longest, thickest stems back to the ground, but do so before they set buds in early fall. Location, depth, and moisture are the three key elements of planting a hydrangea tree. The panicles themselves are quite large as well and typically reach lengths around 18 in. While hydrangea trees are easy enough to purchase, plant, and care for, there are still plenty of questions that people have about them that we have not covered yet. In the summer, the foliage has a tinge of luster. Growth Rate This shrub grows at a fast rate, with height increases of more than 24" per year. hydrangea tree Old plants have a peeling, cinnamon-colored bark. Sweet Summer Panicle Hydrangea Tree If possible, plant them in an area that gets some afternoon shade in climates with hot summers. Hydrangea Type: Height: Width: Mountain hydrangeas: 48 inches: 48 inches: Bigleaf hydrangeas: 120 inches: 120 inches: Climbing hydrangeas: 600 inches: 72 inches: Smooth hydrangeas: 60 inches: 60 inches: Panicle hydrangeas: 180 inches: 144 inches: Oak-leaf hydrangeas: 96 inches: 96 inches Average of 12 to 15 ft though some can reach up to 25 ft. Hydrangea Trees WebThe oakleaf hydrangea grows to a height of 46' and a spread of 46' at maturity. Each type of hydrangea has slightly different growing conditions and size differentiation between height and width. The panicles reach up to 18 inches in length. They will also thrive in full sun but might need extra water on hot summer days. Garden Guides Maximum average height and width of 10 ft, Maximum average height and width of 8 feet. Container-grown tree hydrangeas will likely need to be repotted every year or two as they grow, depending on your pot size. Hydrangea paniculata 'Grandiflora Powdery mildew can be controlled by weekly sprays of 1% horticultural oil, or sprays every two weeks with thiophanate methyl or myclobutanil. Copyright 2023 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | 1-888-656-9988 (SC residents only) | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Integrated Pest Management (I.P.M.) Tree hydrangeas (Hydrangea paniculata), also known as panicle hydrangeas, are fast-growing flowering shrubs with an upright growth habit. This is done by digging a trench near the plant and bending a section of limb down into the trench. Climbing Hydrangea. It is the biggest of all the hydrangeas out there and it can climb up to 50 feet and spread as wide a 6 ft. When pruning, the goal is to create a stronger, healthier, better-looking tree. Here's how: Though it is possible to grow tree hydrangeas from seed, keep in mind that it is quite difficult. Growth Rate This shrub grows at a fast rate, with height increases of more than 24" per year. Yellow foliage can often be a sign of unsuitable moisture conditionsboth overwatering and underwatering. Hydrangea Tree While pruning is healthy for the tree and needs to be done every few years, too much pruning can be a problem. Too much shade can reduce flower output. Most hydrangea varieties are deciduous shrubs that typically grow between 3 to 8 ft tall and 4 to 6 ft wide. This deciduous shrub drops its leaves off when things get cold and then blooms in late spring. Cover the whole thing with a plastic bag and leave it in direct sunlight with plenty of moisture. Image by FRANCES VALERIA COSTA SILVA from Pixabay, Last update on 2023-06-20 / Affiliate links / Images from Amazon Product Advertising API, Your email address will not be published. NC State Extension. Also called standard hydrangeas, these plants are low-maintenance flowering trees that make a feature statement in the garden. Hydrangeas of all varieties can fall prey to aphids, rose chafers, and scale. Hydrangeas have such big leaves that they can suffer if set out during hot weather. These plants have good cold tolerance within their growing zones, especially compared to many other hydrangea species. If you live in a colder region, you can expect the tree hydrangea to bloom later in the season. An area that receives sun in the morning and shade in the afternoon will be best. It is more important to make sure the tree does not get too much water in the colder months with less sun. Use pesticides only according to the directions on the label. In fall, blooms may be pink, white, or cream. Planted appropriately, they can grow to 25 feet (7.6 m.) high and 20 feet (6 m.) wide. Tree Hydrangea Keep in mind these seeds are about the size of a grain of salt or pepper, so they will be tough to find. Hydrangea trees typically grow to reach 6-8 feet tall with a canopy width of 4-6 feet wide. You might occasionally see aphids or mites on the foliage, which often can be mitigated with a strong blast of water from the hose. The flower heads take on a pinkish hue over time before fading to tan or brown for the winter. While the hydrangea tree is easy to care for, this can only be the case if it is planted properly. Because of this goal, the main focus is to cut away any weak or crossing branches. Do they need full sun? Once the size of the canopy has stabilized when the tree is older, you can do annual pruning in the early spring to preserve the blooms into autumn. Plants are nominally very hardy but late frosts can damage the buds, so grow them in a sheltered corner or against a warm wall in cold gardens. Water thoroughly after planting, checking to ensure that the water drains easily down into the soil. I earn a commission if you make a purchase through my referral links. Hydrangea trees thrive best when they have soil that drains really well. Keep the soil moist but not waterlogged. You can also pinch out the tips of new growths to encourage bushier growth. The place where you decide to plant your hydrangea tree is very important and should be thoroughly considered. Most varieties will produce blooms year after year without you having to do anything. Hydrangea macrophylla, also called bigleaf or French hydrangea, typically has either pink or blue flowers, although a few cultivars have white flowers. WebThe Pee Gee hydrangea grows to a height of 1020' and a spread of 1020' at maturity. The blue hydrangea grows in acidic, loamy, moist, rich, sandy, silty loam and well-drained soils. Praecox grows 10 to 15 feet tall and flowers in June. If you like Quick Fire, look for Little Quick Fire. Joey Williamson, 2008 HGIC, Clemson Extension, Several lacecaps feature silver-variegated foliage: Quadricolor, Silver Variegated Mariesii, and Variegata.. Information on soil testing is available in fact sheet HGIC 1652, Soil Testing. Note that they are toxic to both humans and pets, so take care where you plant them. You should also be careful not to over-fertilize, which can lead to lush foliage and a lack of flowers. You can plant it in a large container like a half whisky barrel. Hydrangea Blue Hydrangea Tree Hydrangea Yellowing also can be a sign of too much fertilizer, as well as some diseases. The best time to do this is in the spring or early summer before the plant begins to flower. Flowers are mainly fertile, in 10- to 15-inch clusters, white slowly fading to pink in fall. In addition to cutting away the weak and crossing branches, cut the parts of branches that stick out of the shape that you want the tree to be in. Home for the harvest is a destination gardening website for people who just want to grow things. Hydrangea paniculata 'Limelight' grows 6 to 8 feet tall and 5 to 7 feet wide and has a greenish color in its flowers. Keep any extending branches at least 6 inches off the ground and keep everything neat to avoid it becoming too bush-like. Cutting old woods down in fall or early spring will have you looking at a bloomless season. Leaves are 5 inches long and turn bronze in fall. Save my name, email, and website in this browser for the next time I comment. Roots will grow within 2 to 4 weeks, and after enough time, you can add the new bush to your garden. Climbing hydrangeas (Hydrangea anomala) grow to an extremely tall 60 to 80 feet in height. Planting Hydrangeas The plants might also fall victim to a variety of viruses, which can cause leaves to turn yellow and a plant to lose its flowers. Hydrangeas If the buds freeze and die during the winter, then there will be no blossoms when it is time to bloom. Avoid pruning after August 1. With flowers starting in spring and often last throughout summer into early fall, hydrangea flowers can be the foundation plant of your landscape. Hydrangeas also need some sunlight but not too much, so make sure they remain out of harsh light. Although hydrangeas dont require annual pruning, there are times when a little pruning is necessary, either to cut back on its size a bit or to reinvigorate a hydrangea bush that is doing poorly. Hydrangea Type: Height: Width: Mountain hydrangeas: 48 inches: 48 inches: Bigleaf hydrangeas: 120 inches: 120 inches: Climbing hydrangeas: 600 inches: 72 inches: Smooth hydrangeas: 60 inches: 60 inches: Panicle hydrangeas: 180 inches: 144 inches: Oak-leaf hydrangeas: 96 inches: 96 inches Hydrangea trees, as discussed, are actually shrubs that have been trained into the shape of a small tree. They will also thrive in full sun but might need extra water on hot summer days. Follow all directions, precautions and restrictions that are listed. Peegee Hydrangea (Hydrangea paniculata): This is a 10- to 15-foot shrub or up to 25-foot tree. Most tree-form hydrangeas on the market are cultivars of the species Hydrangea paniculata, as this type is most widely adaptable to standard training, different soil types, and varying sunlight conditions. Also, don't fertilize too much, as overfertilization can lead to lush foliage but few blooms. Below you can read about the height and spread of the different types of hydrangeas as well as some tips on how to get your hydrangeas to grow faster or keep the ones that grow too fast, smaller. Smooth hydrangeas are much smaller than the other species and typically reach a height and width around five feet. When planting, cover the roots and stem with the soil. Whether you decide to cultivate a hydrangea tree from a bush or you buy it already grown and cut like a tree, you are going to need to prune it from time to time. When kept in its shrub form, the shrub will bear larger flower clusters if you thin it to five to 10 primary stems. Carmen, 4 feet tall with large pink flower heads. Another way to keep a hydrangea tree small is to plant it in a container. long. 2023 Gardening Know How, Future US LLC, Full 7th Floor, 130 West 42nd Street, New York, NY 10036. WebSmooth or Snowhill Hydrangea (Hydrangea arborescens): This is a 5-foot-tall deciduous shrub with oval, grayish green, 4- to 8- inch leaves. In Zones 4-6, Limelight hydrangea trees grow the best blooms when planted in sites with full sun. The Pee Gee hydrangea grows in acidic, loamy, moist, rich, sandy, silty loam, well-drained and clay soils. Have your garden soil tested prior to planting the hydrangea tree so you can mix in any minerals that are deemed deficient. Required fields are marked *, Affiliate Disclosure:PlantIndex.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Hydrangea serrata is a small (to 5 feet tall) deciduous shrub similar to H. macrophylla but smaller, with smaller leaves and smaller flowers. Karen Russ, 2008 HGIC, Clemson Extension, Lacecap type flowers of Hydrangea serrata Bluebird Joey Williamson, 2008 HGIC, Clemson Extension. This is especially relevant if you live in a hot climate. Once youve found a larger cultivar, be sure to plant it somewhere that it will receive ample amounts of both sunlight and water. tall and wide do hydrangeas grow If you want your hydrangea to grow faster, there are a few ways to get there. Often, the trees spreading branches are dipped toward the ground with the weight of these blossoms. Planted appropriately, they can grow to 25 feet (7.6 m.) high and 20 feet (6 m.) wide. Marjan Kluepfel, Former HGIC Horticulture Information Specialist, Clemson UniversityRobert F. Polomski, PhD, Associate Extension SpecialistEnvironmental Horticulture/Arboriculture, Clemson University, Joey Williamson, PhD, HGIC Horticulture Extension Agent, Clemson University. Dip the cutting in rooting hormone, and immediately plant it in a small container filled with vermiculite, coarse sand, or a combination of the two. While the planting hole should be no deeper than the soil inside the plant pot, the hole should be about twice as wide as the planter pot. In hot climates, they will benefit from some afternoon shade. All hydrangea plants need irrigation in the summer, especially if they are planted in a full sun location. Most hydrangea varieties are deciduous shrubs that typically grow between 3 to 8 ft tall and 4 to 6 ft wide. These are typically sold in pots which is why many people seen in gardening stores, nurseries, and florists shops. Find answers. This is one of the most winter hardy of the hydrangeas. Provides nice fall color in rich shades of red, orange and purple. All Summer Beauty, 3 to 4 feet tall with flower heads produced on current seasons growth, unlike other bigleaf hydrangeas. It will typically flower July through August. Grown with care by the Amazon Plant Specialist, Please unpack as soon as possible after delivery. This is one of the most winter hardy of the hydrangeas. Hydrangeas While not strictly necessary, you can mix a transplanting fertilizer like Bio-Tone Starter Plus into the soil before backfilling. Check to see that the base of the tree is at the same level as the soil surrounding the hole (and add soil under the root ball if necessary). Hydrangea is a very popular flowering shrub with many different species. Growth Rate This shrub grows at a fast rate, with height increases of more than 24" per year. It's also OK to repot a hydrangea during the winter to allow it more time to adjust to its new surroundings. Do their flowers change color? Hydrangea paniculata 'Bokrathirteen' Sweet Summer. Can be pruned into a small flowering tree. Hydrangeas are classified as rapid growers, with some varieties growing an average of 25 inches per year until they reach maturity. Hydrangeas that grow on new wood can be pruned back to the ground in late fall or early spring. Furthermore, hydrangeas tend to bloom better when they have more acidic soil, so test your soil to see whether amendments are necessary. This shrub grows at a fast rate, with height increases of more than 24" per year. It looks fantastic mixed with a small standard tree such as an Amur Maple. Hydrangeas are deciduous shrubs that grow from 4-to 12-feet in height depending on the variety. Disclosure: This article may contain affiliate links, meaning we may earn a small commission if readers purchase products through these links. Fill a container with potting soil, and sow the seeds on the surface; do not cover them with soil. Blue Hydrangea Tree This can give you an idea of the space you need to allocate in your garden to these plants, and which hydrangeas will be most suited for your garden. If a hydrangea tree is over-watered or has excess moisture on the leaves, it could cause mold growth which can damage the health of the tree. Hydrangea trees are available in a variety of costs, blossom colors, and flower shapes, many of which are very easy to grow. Dig a hole twice as big as the root mass and just as deep. The tree hydrangea is a great way to add a carefree aspect to your garden. Organic pesticides can help get rid of these pests. Do their flowers change color? However, the spectacular flowers make up for the lack of fall color. A million members, donors, and partners support our programs to make our world greener and healthier. Remember that growth rates and size are contingent on many factors and even though a hydrangea can reach 15 feet, it doesnt mean it will do so if conditions arent favorable. Potting and Repotting Vanilla Strawberry Hydrangea . Choose a container that is a few inches larger than the previous one. Cercospora leaf spots (Cercospora hydrangea) with purple margins and tan centers on bigleaf hydrangea.Joey Williamson, 2014 HGIC, Clemson Extension, The larger necrotic (brown) areas are anthracnose caused by Colletotrichum gloeosporioides on bigleaf hydrangea.Joey Williamson, 2014 HGIC, Clemson Extension. The panicles reach up to 18 inches in length. Use a pitchfork or shovel to loosen the soil around the hole. This is an ornamental shrub, typically planted for the visual interest and beauty it can bring to landscape.