2024年8月1日 · When it comes to pruning Japanese Spirea, precision is key. You want to encourage a healthy shape and vigorous growth without compromising the plant's natural form. Identify older, thicker stems to remove; these are typically found near the base.

2022年6月20日 · Pruning removes old and dead wood and produces new shoots for vibrant, youthful plants with full foliage, abundant clouds of flowers, and a manageable size. It thins the plant’s mass and reduces the existing canopy, which improves air circulation and allows sunlight to reach the understory, resulting in dense mounds of growth.

2024年10月6日 · For later flowering species, such as Japanese spirea (Spiraea japonica), significant pruning in late winter or early spring, just before new growth emerges, works well. Pruning these shrubs after flowering finishes in late summer or fall stimulates new growth.

2021年9月13日 · In the spring, spirea will reward you’re courageous pruning with new stems and plenty of blossoms. Japanese spirea should be tip pruned in late winter or early spring prior to bud swell and before the shrub leafs out.

2021年8月27日 · Mulch and feed annually and prune, if necessary, after flowering. Mature overgrown spiraeas can be rejuvenated by selective renovation pruning. Propagate spiraeas by cuttings in mid to late summer. Grow spiraea in garden borders in fertile, well-drained soil. Improve poor soils by adding well-rotted organic matter before planting.

2023年9月30日 · When it comes to pruning spirea, timing is everything. The flowers form on new wood, so aim to prune your shrub in late winter or early spring to control its size and shape. Another opportune time for pruning is right after the flowers fade. Deadheading spent flowers and a light shear encourages colorful new growth and keeps the shrub looking ...

2021年3月2日 · You should actually prune your spirea more than once a year, at least twice. Give it a good trim after it flowers in the spring by cutting back the tips of the stems to the top leaf bud. This removes the dead blossoms and also may trigger a second blooming and new leaf growth.

Pruning. Pruning group 6 for spiraea flowering on current years stems, deadhead after flowering. Keep neat and compact by cutting all stems back to within 30cm of ground level. Pests. Generally pest-free. Diseases. Generally disease-free but may be susceptible to Powdery mildews

2012年3月21日 · Spiraea japonica flowers develop only on new growth each summer. Prune less severely, if desired, by removing up to half of the dormant plant's branches. Prune uniformly over the surface of the shrub to develop evenly spaced new branches and good flower coverage in …