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Description
Asclepias Expansa, commonly known as Broad-leaved Milkweed, is a perennial plant native to western North America. It belongs to the Asclepiadaceae family and is a favorite among gardeners for its beautiful flowers and its ability to attract butterflies, bees, and other pollinators.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Asclepiadaceae |
| Genus | Asclepias |
Appearance
Asclepias Expansa has large, broad leaves that can grow up to 8 inches long and 4 inches wide. The leaves are light green, lance-shaped and grow in an alternating pattern along the stem. The plant can grow up to 3 feet tall and produces clusters of small, pinkish-white flowers that bloom from June to August. The flowers are fragrant and have five petals that curve backward, forming a star shape.
Care Guide
Asclepias Expansa requires a well-draining soil that is rich in organic matter. It prefers to be watered regularly but not overwatered. Fertilize the plant with a balanced fertilizer once a month during the growing season. Asclepias Expansa thrives in full sun and is hardy in USDA zones 4-9.
Common Pests & Diseases
Asclepias Expansa is relatively pest and disease-free. However, it can be susceptible to spider mites and aphids. Check the plant regularly and treat with insecticidal soap or neem oil if infested. The plant can also be affected by fungal diseases such as powdery mildew and leaf spot. Ensure good air circulation around the plant and reduce humidity to prevent fungal growth.
Habitat
Asclepias Expansa is native to western North America and can be found in meadows, grasslands, and open woods. It prefers well-draining soil and full sun exposure.
Question and Answer
Q: Can Asclepias Expansa tolerate drought conditions?
A: Asclepias Expansa can tolerate moderate drought conditions but prefers to be watered regularly.
Q: Can Asclepias Expansa be grown in containers?
A: Asclepias Expansa can be grown in containers but requires a large pot with good drainage.
Q: How often should I fertilize Asclepias Expansa?
A: Fertilize Asclepias Expansa once a month during the growing season with a balanced fertilizer.
Q: How do I propagate Asclepias Expansa?
A: Asclepias Expansa can be propagated through seed or by dividing the plant in the spring.
Related Plants
- Asclepias Tuberosa
- Asclepias Incarnata
- Asclepias Syriaca
References
- “Asclepias Expansa” Missouri Botanical Garden
- “Growing Milkweed” Monarch Watch
- “Broad-leaved Milkweed” Lady Bird Johnson Wildflower Center
