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Description
Rudbeckia Sullivantii, also known as Sullivant’s Coneflower or Black-eyed Susan, is a native North American plant that belongs to the Asteraceae family. This perennial herbaceous plant can grow up to 3-4 feet tall and has a spread of 2-3 feet. It produces beautiful yellow-gold flowers with dark brown centers that bloom from midsummer to early fall. The plant has a clumping habit and is known for its drought tolerance, making it a popular choice for gardeners.
Taxonomic Information
| Domain| Eukarya ||————–|———|| Kingdom| Plantae || Phylum| Spermatophyta || Class| Magnoliopsida || Order| Asterales || Family| Asteraceae || Genus| Rudbeckia || Species| Sullivantii |
Appearance
Rudbeckia Sullivantii has bright green leaves that are lance-shaped and slightly hairy. The flowers are daisy-like and measure around 3-4 inches in diameter. They have yellow petals that surround a dark brown or black center cone. The plant blooms from midsummer to early fall and can produce up to 20 flowers per stem. The stem is strong and upright, and the plant has a clumping habit.
Care Guide
Rudbeckia Sullivantii is a low-maintenance plant that is easy to care for. Here are some tips for keeping your plant healthy:- Water: This plant is drought-tolerant and does not require much water. Water it deeply once a week, especially during the first growing season. After that, it can survive on natural rainfall.- Fertilization: Feed the plant with a balanced fertilizer in the spring, before new growth appears.- Soil: This plant prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil pH levels.- Sunlight: Rudbeckia Sullivantii prefers full sun but can tolerate some shade.- Hardiness Zones: This plant is hardy in USDA zones 4-8.
Common Pests & Diseases
Rudbeckia Sullivantii is generally resistant to pests and diseases. However, it can be affected by powdery mildew, leaf spot, and rust. To prevent these diseases, keep the plant well-ventilated and avoid overhead watering. Aphids, spider mites, and thrips may occasionally attack the plant, but they can be controlled using insecticidal soap or neem oil.
Habitat
Rudbeckia Sullivantii is native to the central and eastern United States. It can be found growing in prairies, meadows, and along roadsides. The plant prefers well-drained soil and full sun but can tolerate some shade.
Question and Answer
Q: Is Rudbeckia Sullivantii a good plant for attracting pollinators?
A: Yes, Rudbeckia Sullivantii is a great plant for attracting bees, butterflies, and other pollinators.Q: Can Rudbeckia Sullivantii be divided?
A: Yes, Rudbeckia Sullivantii can be divided in the spring or fall. Divide the plant every 3-4 years to prevent overcrowding.Q: How tall does Rudbeckia Sullivantii grow?
A: Rudbeckia Sullivantii can grow up to 3-4 feet tall.Q: Does Rudbeckia Sullivantii have any medicinal properties?
A: Yes, Rudbeckia Sullivantii has been used in traditional medicine to treat various ailments, including colds, flu, and infections.
Related Plants
– Rudbeckia Fulgida- Rudbeckia Hirta- Rudbeckia Laciniata- Rudbeckia Maxima- Rudbeckia Triloba
References
– Missouri Botanical Garden: Rudbeckia Sullivantii- The Old Farmer’s Almanac: Rudbeckia Sullivantii- Gardening Know How: Rudbeckia Sullivantii Care – How To Grow Sullivant Coneflower
