Rudbeckia fulgida var. sullivantii. A bold, dependable perennial with golden-yellow flowers. Blooms July-October on sturdy stems. Easy to grow and perfect for a long lasting cut flower. Mass in borders with ornamental grasses and other late blooming perennials. A durable, low maintenance, pest-free plant. Start seed indoors 6-8 weeks before last frost. Height 18-30 inches. Approximately 50 seeds/pkg.
Long-lived and dependable. Zones 4-8. Start seed 10-12 weeks before last frost date. Press seed onto surface of potting mix; do not cover with soil. Germinate at an optimum temperature of 18-21 degrees C. It is beneficial, although not necessary, to pre-chill seed for 2-3 weeks prior to seeding. When a manageable size, plant into a sunny garden 18 inches apart.
Clumps may be divided after 3-4 years in spring. Blooms July to October.