Rudbeckia - Seeds
Description for Rudbeckia
It usually grows as a Biennial or Annual. It has alternate, mostly basal leaves 10 to 18 cm long, covered by coarse hair, with stout branching stems and daisy-like, composite flower heads with yellow ray florets circling conspicuous brown or black, dome-shaped cone of many small disc florets. The stems and scattered, oval leaves are covered with bristly hairs.
|Common name||Flower colours||Bloom time||Height||Difficulty|
|Black-eyed Susan, Denver Daisy||Bright yellow with brown to black centre||Mid summer to fall||Up to 30 inches||Easy to grow|
Planting and care
The plant can be planted in Spring or Summer. From fall or spring seeding, it germinates quickly, forming a basal rosette of its green leaves. You can sow 2 to 3 seeds per plug, can be sown directly into the final pot. Seeds may germinate in 6 to 25 days. They love the temperature of 20 to 22 degrees C for germination.
|Full Sun, partial shade||Clay, Sandy, Loamy Soil; well-drained, slightly acidic soil||Medium||17 to 30 degrees C||Use any organic fertilizer. Apply once in 2 weeks in primary months then add once in 2 months.|
Caring for Rudbeckia
- Maintain average, medium moisture.
- Additional irrigation in a dry or hot season will improve the density of the plant.
- Apply nitrogen rich organic fertilizer.
- Deadhead spend flowers to encourage additional bloom.
- Plants may be attacked by fungi or small insects. Look for it and apply organic solution in primary stages if needed.
Summer to fall
Typical uses of Rudbeckia
Special features: Butterflies are attracted to the flowers.
Culinary use: NA
Ornamental use: It is a nice choice for bedding schemes, borders, containers, wildflower gardens.
Medicinal use: NA