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Description
Rudbeckia Hirta, commonly known as Black-eyed Susan, is a perennial plant that belongs to the Asteraceae family. It is native to North America and is widely cultivated for its bright yellow petals and dark brown center. The plant typically grows to a height of 2-3 feet and has a spread of 1-2 feet.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Rudbeckia |
| Species | Rudbeckia hirta |
Appearance
Rudbeckia Hirta has bright yellow daisy-like flowers with dark brown centers that bloom from mid-summer to fall. The flowers typically grow to 2-3 inches in diameter and are held on long, slender stems. The leaves are green and hairy, with a rough texture, and are arranged alternately on the stem. The plant has a clumping habit and can grow up to 3 feet tall.
Care Guide
Rudbeckia Hirta is a low maintenance plant that is easy to care for. Here are some tips on how to care for it:
Water: The plant prefers moist, well-drained soil. Water regularly, especially during the hot and dry summer months.
Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer.
Soil: The plant grows well in a wide range of soils, but prefers well-drained soil with a pH of 6.0-7.5.
Sunlight: Rudbeckia Hirta prefers full sun, but can tolerate partial shade.
Hardiness Zones: The plant is hardy in USDA zones 3-9.
Common Pests & Diseases
Rudbeckia Hirta is relatively disease and pest resistant, but it can be susceptible to some issues. Here are some common pests and diseases to watch out for:
Pests: Aphids, spider mites, and thrips can infest the plant. Treat with insecticidal soap or neem oil if necessary.
Diseases: The plant can be susceptible to powdery mildew, leaf spot, and rust. These can be treated with fungicides or by removing affected leaves.
Habitat
Rudbeckia Hirta is native to North America and can be found growing in meadows, prairies, and open woodlands. It prefers full sun and well-drained soil.
Question and Answer
Q: Is Rudbeckia Hirta a perennial or annual plant?
A: Rudbeckia Hirta is a perennial plant.
Q: What are the growing conditions for Rudbeckia Hirta?
A: Rudbeckia Hirta prefers full sun and well-drained soil.
Q: How tall can Rudbeckia Hirta grow?
A: Rudbeckia Hirta can grow up to 3 feet tall.
Q: What is the blooming season for Rudbeckia Hirta?
A: Rudbeckia Hirta blooms from mid-summer to fall.
Related Plants
Here are some related plants to Rudbeckia Hirta:
- Rudbeckia fulgida (Orange Coneflower)
- Rudbeckia laciniata (Cutleaf Coneflower)
- Rudbeckia triloba (Brown-eyed Susan)
References
- Bonnie Plants. (n.d.). Black-Eyed Susan. https://bonnieplants.com/product/black-eyed-susan/
- Missouri Botanical Garden. (n.d.). Rudbeckia hirta. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279895&isprofile=0&
- The Old Farmer’s Almanac. (n.d.). Black-Eyed Susan. https://www.almanac.com/plant/black-eyed-susans
