How do you take care of a spirea bush?
Growing Tips
- Spirea are tolerant of some shade, but full sun produces more flowers with more vibrant colors and brighter fall color.
- Ensure your shrubs are spaced properly with adequate room to grow to maturity.
- Avoid overfertilizing.
- Deadhead flowers after blooming to tidy up plants and encourage reblooming.
When should spirea be pruned?
The best time to prune spirea is after the first flowering. For a spring-blooming cultivar, a good time will be in late spring. For a summer-blooming variety, this will be in mid-summer.
How do you take care of spirea in the spring?
In the spring, after the first blooms are spent, cut the dead flowers back by trimming spirea’s stem tips back to the topmost leaf on each stem. Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches.
How do you fertilize spirea?
How to Fertilize Spirea
- Step 1 – Use around a pound of a slow release fertilizer per 100 square feet.
- Step 2 – Sprinkle the fertilizer around the root zone.
- Step 3 – Avoid getting fertilizer on the foliage. This can burn the plant.
- Step 4 – Water well after the application of fertilizer.
Can you use Miracle Grow on spirea?
This method of fertilization should only be done once a year, and is best done in late fall after leaf drop, or in early spring before bud break. Liquid fertilizers (such as Miracle Gro) are mixed with water and applied the same as you would water the plant (see product for specific details).
Why does my spirea looks dead?
Too much water can cause leaves to turn yellow or entire stems to die, which may give you a false signal your plant needs more water. If you dig gently down to the root zone, you may discover your spirea’s need for better drainage, rather than more water.
Should spirea be cut to the ground?
To control the spirea’s size and keep it blooming year after year, you should prune it back after blooming or when it’s dormant in winter. If it’s severely overgrown, cut it to the ground to rejuvenate the shrub.
What fertilizer is best for spirea?
Best Fertilizer For Spirea A balanced granular fertilizer, (10-10-10 or organic fertilizer) is recommended. Be careful of using too much nitrogen.
How often should you water spirea?
Water thoroughly after planting, and keep a close eye on the plant over the following week. Then, give it a good soaking once a week during summer, unless rainfall is plentiful (more than 1in per week). Established plants can generally get by on less water, but most grow best if the soil remains evenly moist.
Does Japanese Spirea self seed?
Plants can be aggressive self-seeders, and have escaped gardens and naturalized in many areas of the eastern U.S. Plants will also spread in the garden by suckering. Spiraea japonica, commonly called Japanese spirea, is a dense, upright, mounded, deciduous shrub that typically grows 4-6’ tall with a slightly larger spread.
What does a Crispa plant look like?
‘Crispa’ is a compact mounded cultivar that grows to 2-3’ tall and as wide. Deep pink flowers in flattened corymbs (to 3” across) appear in summer. Dark green leaves are twisted and crinkled, hence the cultivar name. Foliage often emerges with a reddish tint and some burgundy variegation may be seen in the mature foliage.
Is Spirea deer-resistant?
Take warning, though; spirea is not deer-resistant and is occasionally a last resort snack for these animals. Medicinally and historically, spirea has played, and continues to play, an essential role in our society.