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Description
Astilbe Longicarpa, commonly known as Long-spiked Astilbe, is a herbaceous perennial plant that belongs to the Saxifragaceae family. It is native to Eastern Asia and was introduced to North America in the early 1900s. The plant grows up to 2-3 feet in height and has a spread of about 1-2 feet. It is known for its stunning pinkish-lavender flowers that bloom in late spring and early summer.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Saxifragaceae |
| Genus | Astilbe |
Appearance
Astilbe Longicarpa has a clump-forming growth habit and produces glossy green leaves that are deeply lobed with serrated edges. They are arranged alternately along the stem and grow up to 6-8 inches in length. In late spring and early summer, the plant produces tall spikes of pinkish-lavender flowers that are densely packed and can grow up to 2-3 feet tall. The flowers are highly fragrant and attract a variety of pollinators such as bees and butterflies.
Care Guide
Astilbe Longicarpa requires moist and well-drained soil that is rich in organic matter. It prefers partial to full shade and can tolerate full sun in cooler climates. The plant should be watered regularly, especially during hot and dry weather. Fertilizer can be applied in the spring and fall to promote healthy growth. Astilbe Longicarpa is hardy in USDA zones 3-8.
Common Pests & Diseases
Astilbe Longicarpa is generally resistant to pests and diseases. However, it can be susceptible to powdery mildew, leaf spot, and crown rot if grown in poorly drained soil or under stressful conditions. Aphids, spider mites, and mealybugs can occasionally infest the plant, but can be controlled with insecticidal soap or neem oil.
Habitat
Astilbe Longicarpa is native to Eastern Asia and is commonly found in moist, shady areas such as woodland edges, stream banks, and wet meadows. It is often grown as an ornamental plant in gardens and landscapes due to its attractive flowers and foliage.
Question and Answer
Q: Can Astilbe Longicarpa be grown in full sun?
A: Astilbe Longicarpa prefers partial to full shade, but can tolerate full sun in cooler climates.
Q: How often should Astilbe Longicarpa be watered?
A: Astilbe Longicarpa should be watered regularly, especially during hot and dry weather.
Q: Is Astilbe Longicarpa resistant to pests and diseases?
A: Astilbe Longicarpa is generally resistant to pests and diseases, but can be susceptible to powdery mildew, leaf spot, and crown rot if grown in poorly drained soil or under stressful conditions.
Q: What is the hardiness zone for Astilbe Longicarpa?
A: Astilbe Longicarpa is hardy in USDA zones 3-8.
Related Plants
- Astilbe Chinensis
- Astilbe x Arendsii
- Astilbe Japonica
- Astilbe Thunbergii
References
- “Astilbe Longicarpa.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b293.
- “Astilbe Longicarpa.” Plant Delights Nursery, www.plantdelights.com/products/astilbe-longicarpa.
- “Astilbe Longicarpa.” Royal Horticultural Society, www.rhs.org.uk/Plants/110794/Astilbe-longicarpa/Details.
