You will appreciate such knowledge if you've ever been guilty of a classic dumb mistake like pruning azaleas in spring before they flowered because you figured they needed some shaping. Shrubs that bloom on new wood, such as spiraeas, potentillas and smooth hydrangeas, can die back from winter cold or hungry critters and grow new stems that yield bountiful blossoms come summer. With handsome, glossy foliage and gorgeous ball-like … Remove old woody stems to rejuvenate. Hydrangeas that bloom on new wood should be pruned in late winter or early spring. Examples include: David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. Trimming them during dormancy will result in the loss of all or many of the flower-producing buds. Remove dead and diseased canes back to the base of the plant, as well as branches that cross. Little to no pruning needed. Note that a shrub's inclusion on this list does not mean that you necessarily have to prune it every year, but only that, if you do choose to prune it, the ideal time to do so is right after it is done flowering. Keep the plant label when you purchase a shrub so you know both the botanical name of the species and the cultivated variety name. You can't say that all hydrangeas flower on new wood or that all spireas bloom on old growth. This list of shrubs that bloom on old wood is not exhaustive. These shrubs should be pruned in late winter or very early spring, before they leaf out. Here are some of the most popular shrubs that flower on the previous year's growth: David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. Larger, … If a shrub or tree flowers during the summer or fall, it blooms on “new wood”—the growth that occurred throughout spring months. As in, it produces the standard spring bloom that most Azaleas have. “Fertilizing in the spring months will encourage new growth, which will create blooms in the late summer and fall,” Kelley said. Vanilla Strawberry … Watering: Medium moisture. Its spherical flower heads are attractive not only while in full bloom with their tiny white flowers (when they resemble pincushions) but also before and after blooming. It is called Clethra alnifolia Ruby Spice and is suited to zones 4 to 8. Introducing "One Thing": A New Video Series, excellent choices for those problematic wet spots. Avoid shearing. It sets up its buds the previous year. … The white blooms change to pink and dark pink respectively as they age. is known for its foliage and thorns, while Tatarian dogwood (Cornus alba) is valued for the red color of its bark. The first two are wetland plants native to North America. Will tolerant drought. It has alternate, pinnately compound leaves 25–55 cm (10–22 in) long, each with 9–31 serrate leaflets 6–11 cm (2 1 ⁄ 4 – 4 1 ⁄ 4 in) long. Commonly-Found Shrubs That Bloom on New Wood, Less Commonly-Found Shrubs That Bloom on New Wood, Other Shrubs to Prune in Late Winter or Early Spring, 10 Best Shrubs That Flower in Early Summer, 15 Recommended Flowering Shrubs for Your Home, 29 Shrubs That Grow in Full or Partial Shade, Shrubs That Bloom on Old Wood (Last Year's Growth), How to Prune Different Kinds of Hydrangeas, Strawberry Vanilla Hydrangea Plant Profile, 'Arnold Promise' Witch Hazel Plant Profile. These species should be pruned in late winter or early spring to promote vigorous growth early in the summer. Whether blooming on old or new growth, spirea is a rapidly growing deciduous shrub. They should be pruned in late winter or early spring before the new growth starts. It is important to know whether a bush flowers on new or old wood. Many hydrangeas and summer blooming spirea bloom on new growth. These shrubs spend the first part of the season producing new wood, and the second part of the same season flowering. Some newer varieties bloom on both old wood and new wood. Take out branches that … Lightly prune to shape. The velvety texture and the forking pattern of the … Light pruning … Take careful note, however, that this advice applies only to the particular kinds of hydrangeas and spireas (because other types flower on the prior year's growth; for example, oakleaf hydrangea). Instead, the goal has been to include many of the most commonly grown flowering (deciduous) bushes in the northern U.S. and southern Canada. Leaf petioles and stems are densely covered in rust-colored hairs. In her book, Caring for Perennials (p.37), Janet Macunovich helps us calculate the grace period: "Give the plant three months of good growing between the time you cut it and when you expect to see it bloom" (although months during which the plant will be dormant do not count). For example, Japanese barberry (Berberis spp.) Does your flowering shrub bloom in summer or in spring? Oakleaf hydrangea is recognizable by its foliage that resembles oak leaves By contrast, a shrub that blooms on new wood can be pruned much earlier in the year. ), making it difficult to generalize about the best pruning time. Unlike bigleaf and mountain hydrangeas, smooth hydrangeas bloom on new wood and will tolerate heavy pruning. The advice to prune bushes that bloom on last year's growth immediately after they finish flowering may seem unrealistic to some gardeners. Then after a brief break, it starts blooming again in mid summer and continues all the way through to the first frost. Kelley said these plants should be pruned once they go dormant in the winter and before leafing out in the spring. Well, the answer lies in the question, "Does it bloom on new wood or old wood? Of Note: The flowers are large ranging from 6 to 12 inches long and are held upright on the shrub. This still gives them most or all of the spring to put on growth and set the buds that, come summer, will become flowers. Stems that develop during the present season are known as new wood. If you. Trees and shrubs that bloom in early spring, such as forsythia, lilac, honeysuckle, quince and spirea, set their flower buds the previous fall, referred to as “flowering on old wood”. These are best pruned in early spring before plants break dormancy or when new growth is just emerging. For most shrubs, late winter or early spring is a good time for heavy pruning, but be sure to check the recommendations for your specific shrub. Remove offshoots or vigorous growth as needed using 2-Step method. Flowering Shrub Type #1: Blooms on new wood. They’ll tolerate some shade. The following bushes all flower on the current year's growth and can be pruned (without qualification) in late winter or early spring: A few other shrubs popular in the landscape also fall into this category. The following bushes all flower on the current year's growth and can be pruned (without qualification) in late winter or early spring: Beautyberry (Callicarpa dichotoma) Ball explains that, left to age without pruning, these shrubs become filled with old, unproductive, sporadic-blooming stems. If you prune them in winter or early spring, you will reduce next year’s blooms. Spring-blooming shrubs and trees – Varieties include forsythia, lilac, roses and rhododendron. Most homeowners will find the pink cultivar more landscape-worthy. It reblooms. It can be sheared if turned into a hedge, otherwise prune after flowering. Use it as a plant to attract butterflies. Really. Here are some examples: Likewise, not all spireas are created equal in terms of when the best time is to prune them. Viburnums are some of the toughest shrubs out there, and these spring-bloomers have pretty white to pinkish-white blooms with a distinctively spicy scent and attractive reddish fall foliage. Plant this bush in full sun in zones 3 to 8. Due to such experiences, some beginners have a serious case of fear of pruning, to the point that they just don't dare prune at all. Pruning: Best if done in late fall or early spring. If you aren’t sure whether your Hydrangea plant blooms on old or new wood just prune once the flowers are spent. "New wood" is growth from the current growing season. Old flowers from the previous year can be removed in late winter through spring. If it flowers in summer, it may be one of those bushes that blooms on new wood, forming flower buds on the current year’s growth. Some species of clematis bloom on new wood, some bloom on old wood, and some on both! Blooms on new wood. Spring-flowering shrubs bloom on one-year-old wood (twigs that grew new the previous summer) . Rhododendron, azalea Rhododendron species little pruning is needed; renewal prune when dormant Rose Rosa species climbers and ramblers: bloom in early summer on old wood, prune after flowering, leave new growth for next year hybrid bush-type: flowers on new wood; remove dead canes and cut back in spring; shrub roses: prune out old, diseased, or unwanted canes in spring, head-back after flowering Group 1: Spring flowering shrubs – bloom on growth formed last year Group 2: Summer flowering shrubs – bloom on current year‟s growth Group 3: Flower on perennial spurs on older wood Barberry – Group 1. Panicle hydrangea (Hydrangea paniculata) Undoubtedly the most common hydrangea grown in … Hydrangeas that bloom on old wood often begin flowering in early summer as opposed to hydrangeas that bloom on new wood in mid- to late summer. DO NOT prune spring- or summer-flowering shrubs in late summer or early fall (after mid-August through leaf fall). Let's begin with some flowering shrubs that are commonly found in people's landscaping in North America. Let's say you do not get around to pruning it until early June. It tolerates: The Summer Glow cultivar (Tamarix ramosissima Summer Glow) has rosy pink flowers and can grow quite large (often 12 feet tall, with a spread of about 9 feet, at maturity). Since glossy abelia (A. xgrandiflora) blooms on new wood, prune in late winter to early spring before new growth emerges so that flowers are not sacrificed. As a plant that loves acid soils, you can grow it in that acidic spot in your landscaping without having to worry about first changing the soil pH level. Chuparosa Mexican Honeysuckle Justicia californica J. spicigera Spring blooming and intermittent during summer and fall. Shrubs that bloom in summer flower on new wood (produced during the current year's spring season). Flower bud location on deciduous shrubs, vines, and small trees. The fact that they grow in wetlands in the wild is your cue that they're excellent choices for those problematic wet spots in your yard: Buttonbush (Cephalanthus occidentalis) likes full to partial sun and can be grown in growing zones 5 to 9. Make sure to prune off spent flowers when they turn brown. Mercifully, there is a grace period for pruning. Trimming a flowering shrub that is supposed to be cut back in late winter or early spring can result in better flowering and a more compact shape. Buds develop in midsummer through fall for the following spring. Some varieties produce long, errant watershoots (thin shoots that grow out of the trunk or branches); cut those out whenever they appear. This series of six lushly colorful, easy-to-grow hydrangeas bloom on old wood, like conventional types, and go on to create more flowers on the new wood later in summer. For larger, more robust flowers, prune stems to the ground in the spring. Interestingly, some types of hydrangeas fall into both categories; they are called "reblooming hydrangeas.". Examples are: We'll conclude the list with three flowering shrubs that you're less likely to encounter in the average landscape in the U.S. but that you will find interesting. Lesson learned: Azaleas bloom on old wood (last year's growth). In the case of hydrangeas, it's the Annabelle and panicle types that bloom on new wood. Introducing "One Thing": A New Video Series, Andromeda, or "lily-of-the-valley bush" (, Shrubs that bloom in spring flower on old wood and should be pruned just after those blooms fade. It is native to the Old World, specifically to habitats where conditions are dry. An example of this type of shrub is … For example, you have to consider Hydrangea and Spiraea shrubs on a case by case basis. Learn tips for creating your most beautiful (and bountiful) garden ever. Very simply, "old wood" is growth from the previous growing season. She uses Forsythia as an example. The gardener finds a similar situation with roses (Rosa spp. Given this fact, it is not surprising that it craves a loam that drains sharply (mixing organic matter into the ground can improve drainage). Panicle Hydrangeas love and need sun, too much shade will drastically decrease blooms. Old stems will flower, but the flowers will be small. Older types needed a long time of favorable growing conditions in order to grow enough for new wood blooms to form; we worked to shorten that period so that even in areas with cooler, shorter summers, you’ll get even more of what … While not tolerant of clayey soils, tamarisk is otherwise quite tolerant. It blooms on new wood, you definitely want to prune it hard in winter as the new growth is where the flower panicles form. While it is reassuring to consult such lists, you do not need them if you just remember the general rule of thumb: In some genera, though, not every species can be pigeonholed into the same category. Hydrangeas that bloom on old wood include the mophead, bigleaf (macrophylla), lacecap and oakleaf varieties. It commonly grows anywhere from 5 to 12 feet tall, with a narrower spread. Since they are not valued for their blooms, you might as well practice size-control on them (if desired) early in the growing season, before they get out of hand. … The Spruce uses cookies to provide you with a great user experience. These plants bloom on the current year’s growth. In addition to bushes that flower on new growth, it often makes sense to prune certain other shrubs in late winter or early summer. Grow it in full sun to partial shade. But the wild version has white flowers. This bush starts blooming in April and finishes blooming in early May. If you prune in late winter, some or all of the bloom potential for spring is sacrificed. Learn tips for creating your most beautiful (and bountiful) garden ever. And you picked the wrong time to prune. Prune right after blooming; you have a window of 4-6 weeks to prune the plant before the new buds are set. Like buttonbush, you will often find summersweet along the banks of ponds and rivers. Male flower at early stage of blooming. To keep the shrubs looking nice, you can snip a few of the oldest or tallest stems near the soil line and clip off spent blooms just below the flower head. Warning: Tamarisk is considered invasive. "Immediately" is a harsh word for someone juggling a career, family, social commitments, health issues, and, yes, landscape maintenance. Old wood" and "new wood" are phrases that come up often in horticulture, especially in relation to flowering shrubs and pruning. Gardeners are often confronted with stray shoots and branches in … Limit pruning to removal of dead or weak growth and to direct growth away from an area the plant is encroaching into. But as in other areas of life, timing is important in landscaping. Hydrangea Lemon Daddy - 'Lemon Daddy' has shiny lemon-yellow foliage and large pink (or blue) mophead flowers. What happened? It typically attains a height of 4 to 6 feet, with a spread slightly less than that. Many varieties of the same genus may bloom on one, and some in the same genus will bloom on the other. Renewal pruning of dead wood or frost damage in early Feb.- March. Plant where you can enjoy the fragrance or as part of a shrub border. If a plant blooms in the summer and fall, it blooms on new wood (current year’s wood). If your bush is not on this list, simply assume (until you've researched it further) that the best time to prune it will be right after it finishes blooming (as is the case for the majority of flowering shrubs). But certain others bloom on new wood and can be pruned in late winter or early spring. Hydrangeas can bloom on old or new wood and some newer varieties even bloom on both! Viburnum shrubs are one of the many ornamental shrubs that blooms on old wood, so waiting until after blooming to prune is recommended. This still gives them most or all of the spring to put on growth and set the buds that, come summer, will become flowers. Summer blooming shrubs Conversely, shrubs that bloom later in summer and fall tend to "bloom on new wood," which means they set flower buds on the current season's growth. Summer-blooming and fall-blooming shrubs and trees should be pruned in late winter or early spring. It's simple: When you pruned those branches, you accidentally removed the flower buds for that year. The first round of flowers is produced on old wood, while the second round blooms on new wood. They are often pruned in late winter or very early spring. Rhus typhina is a dioecious, deciduous shrub or small tree growing up to 5 m (16 ft) tall by 6 m (20 ft) broad. By using The Spruce, you accept our, Shrubs That Bloom on New Wood (Current Year's Growth), How to Prune Different Kinds of Hydrangeas, 10 Best Shrubs That Flower in Early Summer, How to Prune Shrub Roses and Knock Out Roses, 29 Shrubs That Grow in Full or Partial Shade. If your vine or shrub blooms in the spring, then it is blooming on old wood that grew last summer, as it … Table 1. Wait until all danger of severe cold is past. The focus here is on bushes with showy flowering displays, as opposed to plants that, while technically part of the "flowering shrubs" category, are more often grown for a feature other than flowers. Most spring-flowering shrubs bloom on wood that grew the previous year, generally called "old wood." If a plant blooms in the spring (February through June), it blooms on old wood. Thinning can also be done right after bloom to maximize … Tamarisk is quite a different bush from either of these. New Wood Ornamental Shrubs and Trees. You discovered your error later that spring when the flowers you expected to come never showed up. Most notably, some types of Hydrangea and Spiraea can be pruned in late winter or early spring without fear of removing any flower buds. Avoid pruning plants in late fall because it stimulates new growth which is easily damaged by freezing temperatures. Most shrub roses, especially modern varieties, bloom on new wood. Cut back the entire plant to about 3 feet high to make it easier to work on. Hydrangeas that bloom on old wood set their flower buds in late summer on stalks that have been on the plant since the previous year. Shrubs that bloom in summer flower on new wood (produced during the current year's spring season). Whether they are deciduous or evergreen, proper pruning is often beneficial to plants. Macunovich assures us that it will still blossom next April, citing the fact that the bush still has "part of June, all of July and August, and at least a little of September" to finish growing and set bud (p.38). At the end of each bloom season, it’s a good idea to give your viburnum a quick clip to encourage new growth and thin out the interior, removing any old canes … Once you have determined that a shrub blooms on the previous year's growth (old wood), you know that the correct time to prune it is immediately after it finishes blooming. Summer-flowering shrubs bloom from buds that developed on new wood that grew in the spring of the current year. It’s OK to Trim Anytime. Pruning in the fall and winter removes flowering wood with buds.