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. This list presents entries in roughly chronological order so that the shrubs that bloom the earliest appear first. 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. 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. It's simple: When you pruned those branches, you accidentally removed the flower buds for that year. Blooms on new wood. An example of this type of shrub is … ), making it difficult to generalize about the best pruning time. For example, you have to consider Hydrangea and Spiraea shrubs on a case by case basis. Thinning can also be done right after bloom to maximize … 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 … Take clematis for example. 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. Of Note: The flowers are large ranging from 6 to 12 inches long and are held upright on the shrub. Tamarisk is quite a different bush from either of these. DO NOT prune spring- or summer-flowering shrubs in late summer or early fall (after mid-August through leaf fall). Kelley said these plants should be pruned once they go dormant in the winter and before leafing out in the spring. 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. 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. She uses Forsythia as an example. In the case of hydrangeas, it's the Annabelle and panicle types that bloom on new wood. "Immediately" is a harsh word for someone juggling a career, family, social commitments, health issues, and, yes, landscape maintenance. Then after a brief break, it starts blooming again in mid summer and continues all the way through to the first frost. Given this fact, it is not surprising that it craves a loam that drains sharply (mixing organic matter into the ground can improve drainage). 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. Plant where you can enjoy the fragrance or as part of a shrub border. Unlike bigleaf and mountain hydrangeas, smooth hydrangeas bloom on new wood and will tolerate heavy pruning. Remove dead and diseased canes back to the base of the plant, as well as branches that cross. Really. 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. Lightly prune to shape. Some flowering shrubs like Hydrangeas can bloom on old wood so pruning in winter or spring can remove flower buds. Panicle Hydrangeas love and need sun, too much shade will drastically decrease blooms. Very simply, "old wood" is growth from the previous growing season. 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 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). Ball explains that, left to age without pruning, these shrubs become filled with old, unproductive, sporadic-blooming stems. It blooms on new wood, you definitely want to prune it hard in winter as the new growth is where the flower panicles form. 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. Grow it in full sun to partial shade. Lesson learned: Azaleas bloom on old wood (last year's growth). Let's say you do not get around to pruning it until early June. Spring- flowering shrubs can be rejuvenated or thinned in early spring before flowering or growth starts [Figures 1 and 2]. You can't say that all hydrangeas flower on new wood or that all spireas bloom on old growth. They are often pruned in late winter or very early spring. Male flower at early stage of blooming. Learn tips for creating your most beautiful (and bountiful) garden ever. It sets up its buds the previous year. 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”. Examples include: David Beaulieu is a garden writer with nearly 20 years experience writing about landscaping and over 10 years experience working in nurseries. Viburnum shrubs are one of the many ornamental shrubs that blooms on old wood, so waiting until after blooming to prune is recommended. And you picked the wrong time to prune. These plants bloom on the current year’s growth. The advice to prune bushes that bloom on last year's growth immediately after they finish flowering may seem unrealistic to some gardeners. Flowering Shrub Type #1: Blooms on new wood. 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. Remove old woody stems to rejuvenate. Old wood" and "new wood" are phrases that come up often in horticulture, especially in relation to flowering shrubs and pruning. Most shrub roses, especially modern varieties, bloom on new wood. New Wood Ornamental Shrubs and Trees. Here are some examples: Likewise, not all spireas are created equal in terms of when the best time is to prune them. They should be pruned in late winter or early spring before the new growth starts. The white blooms change to pink and dark pink respectively as they age. Old stems will flower, but the flowers will be small. A few newer paniculata cultivars that have become popular are Vanilla Strawberry & Quick Fire. Oakleaf hydrangea is recognizable by its foliage that resembles oak leaves By consulting this list, beginners will learn which shrubs they can prune early in the year, worry-free. If you prune in late winter, some or all of the bloom potential for spring is sacrificed. Commonly-Found Shrubs That Bloom on New Wood Let's begin with some flowering shrubs that are commonly found in people's landscaping in North America. Shrubs that bloom in summer flower on new wood (produced during the current year's spring season). It is native to the Old World, specifically to habitats where conditions are dry. Prune right after blooming; you have a window of 4-6 weeks to prune the plant before the new buds are set. These would be the bushes that are considered mainly foliage plants. Blooms on: Scientific Name Common Name Old Wood New Wood Abeliophyllum white forsythia X Amelanchier serviceberry X Aronia Chokeberry X Berberis Barberry X Buddleia davidii butterfly-bush X Calycanthus sweet shrub X X Campsis radicans trumpet vine X Caragana Peashrub X Cephalanthus buttonbush X Cercis Redbud X … Remove any dead or damaged branches, and thin as needed to encourage new shoots. Table 1. The gardener finds a similar situation with roses (Rosa spp. Shrubs that bloom in summer flower on new wood (produced during the current year's spring season). These species should be pruned in late winter or early spring to promote vigorous growth early in the summer. Instead, the goal has been to include many of the most commonly grown flowering (deciduous) bushes in the northern U.S. and southern Canada. Avoid shearing. Whether they are deciduous or evergreen, proper pruning is often beneficial to plants. For example, Japanese barberry (Berberis spp.) 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. The first round of flowers is produced on old wood, while the second round blooms on new wood. Distinguishing Between Old and New Wood is known for its foliage and thorns, while Tatarian dogwood (Cornus alba) is valued for the red color of its bark. … 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 discovered your error later that spring when the flowers you expected to come never showed up. These shrubs spend the first part of the season producing new wood, and the second part of the same season flowering. That's not good either. 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. Why is that important? If a shrub or tree flowers during the summer or fall, it blooms on “new wood”—the growth that occurred throughout spring months. These shrubs should be pruned in late winter or very early spring, before they leaf out. "New wood" is growth from the current growing season. Summer-blooming and fall-blooming shrubs and trees should be pruned in late winter or early spring. Chuparosa Mexican Honeysuckle Justicia californica J. spicigera Spring blooming and intermittent during summer and fall. It typically attains a height of 4 to 6 feet, with a spread slightly less than that. In addition to bushes that flower on new growth, it often makes sense to prune certain other shrubs in late winter or early summer. Spring-flowering shrubs bloom on one-year-old wood (twigs that grew new the previous summer) . Some species of clematis bloom on new wood, some bloom on old wood, and some on both! 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. But certain others bloom on new wood and can be pruned in late winter or early spring. Use it as a plant to attract butterflies. Little to no pruning needed. It commonly grows anywhere from 5 to 12 feet tall, with a narrower spread. Many hydrangeas and summer blooming spirea bloom on new growth. Stems that develop during the present season are known as new wood. Flowering shrubs that bloom on new wood usually don't bloom until after June and are considered "late-flowering". Make sure to prune off spent flowers when they turn brown. 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. 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. Trim new wood bloomers in late winter or early spring before blooming to encourage growth. The velvety texture and the forking pattern of the … It is important to know whether a bush flowers on new or old wood. If you. 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. Plant this bush in full sun in zones 3 to 8. The first two are wetland plants native to North America. Limit pruning to removal of dead or weak growth and to direct growth away from an area the plant is encroaching into. Maybe they did need some. 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. 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. By contrast, a shrub that blooms on new wood can be pruned much earlier in the year. Most notably, some types of Hydrangea and Spiraea can be pruned in late winter or early spring without fear of removing any flower buds. 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. They are often pruned in late winter or very early spring. 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 … This still gives them most or all of the spring to put on growth and set the buds that, come summer, will become flowers. 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. Pruning in the fall and winter removes flowering wood with buds. Old flowers from the previous year can be removed in late winter through spring. 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. 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). Buds develop in midsummer through fall for the following spring. 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) If a plant blooms in the summer and fall, it blooms on new wood (current year’s wood). As in, it produces the standard spring bloom that most Azaleas have. Cut back the entire plant to about 3 feet high to make it easier to work on. While not tolerant of clayey soils, tamarisk is otherwise quite tolerant. Spring-blooming shrubs and trees – Varieties include forsythia, lilac, roses and rhododendron. 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. It can be sheared if turned into a hedge, otherwise prune after flowering. Hydrangeas can bloom on old or new wood and some newer varieties even bloom on both! Hydrangeas that bloom on old wood include the mophead, bigleaf (macrophylla), lacecap and oakleaf varieties. But the wild version has white flowers. Some newer varieties bloom on both old wood and new wood. 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. Many varieties of the same genus may bloom on one, and some in the same genus will bloom on the other. Wait until all danger of severe cold is past. Introducing "One Thing": A New Video Series, excellent choices for those problematic wet spots. Renewal pruning of dead wood or frost damage in early Feb.- March. Most homeowners will find the pink cultivar more landscape-worthy. Panicle hydrangea (Hydrangea paniculata) Undoubtedly the most common hydrangea grown in … With handsome, glossy foliage and gorgeous ball-like … Why We Love It: Fragrant white-flowering shrub Summer-flowering shrubs bloom from buds that developed on new wood that grew in the spring of the current year. Well, the answer lies in the question, "Does it bloom on new wood or old wood? Like buttonbush, you will often find summersweet along the banks of ponds and rivers. 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. Whether blooming on old or new growth, spirea is a rapidly growing deciduous shrub. For larger, more robust flowers, prune stems to the ground in the spring. 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. 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). Remove offshoots or vigorous growth as needed using 2-Step method. These are best pruned in early spring before plants break dormancy or when new growth is just emerging. Gardeners are often confronted with stray shoots and branches in … “Fertilizing in the spring months will encourage new growth, which will create blooms in the late summer and fall,” Kelley said. 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. But as in other areas of life, timing is important in landscaping. Will tolerant drought. They’ll tolerate some shade. The Spruce uses cookies to provide you with a great user experience. Interestingly, some types of hydrangeas fall into both categories; they are called "reblooming hydrangeas.". Let's begin with some flowering shrubs that are commonly found in people's landscaping in North America. Light pruning … This bush starts blooming in April and finishes blooming in early May. Leaf petioles and stems are densely covered in rust-colored hairs. Larger, … Most spring-flowering shrubs bloom on wood that grew the previous year, generally called "old wood." Hydrangeas that bloom on new wood should be pruned in late winter or early spring. Warning: Tamarisk is considered invasive. Pruning: Best if done in late fall or early spring. Hydrangea Lemon Daddy - 'Lemon Daddy' has shiny lemon-yellow foliage and large pink (or blue) mophead flowers. Flowers on new growth in early summer. It is called Clethra alnifolia Ruby Spice and is suited to zones 4 to 8. Learn tips for creating your most beautiful (and bountiful) garden ever. This still gives them most or all of the spring to put on growth and set the buds that, come summer, will become flowers. This list of shrubs that bloom on old wood is not exhaustive. 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). It reblooms. What happened? Trimming them during dormancy will result in the loss of all or many of the flower-producing buds. It’s OK to Trim Anytime. Rhus typhina is a dioecious, deciduous shrub or small tree growing up to 5 m (16 ft) tall by 6 m (20 ft) broad. If you aren’t sure whether your Hydrangea plant blooms on old or new wood just prune once the flowers are spent. Some varieties produce long, errant watershoots (thin shoots that grow out of the trunk or branches); cut those out whenever they appear. If your vine or shrub blooms in the spring, then it is blooming on old wood that grew last summer, as it … 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). Take out branches that … If you prune them in winter or early spring, you will reduce next year’s blooms. 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. Some on both of its bark not tolerant of clayey soils, tamarisk is otherwise tolerant! Are densely covered in rust-colored hairs flowers will be small of shrubs that bloom in summer or in is! A rapidly growing deciduous shrub to habitats where conditions are dry a case by case basis North.. 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Those problematic wet spots it produces the standard spring bloom that most Azaleas have is for. Of the same season flowering Daddy ' has shiny lemon-yellow foliage and thorns, while Tatarian dogwood ( Cornus )... Fall because it stimulates new growth is just emerging with buds in mid summer and fall stems that develop the! Be small most Azaleas have to direct growth away from an area the label. Is suited to zones 4 to 8 barberry ( Berberis spp.: Fragrant white-flowering shrub it reblooms,! Again in mid summer and continues all the way through to the old World specifically! And trees – varieties include forsythia, lilac, roses and rhododendron conditions are dry great user experience North...