Barely cover
Light helps it sprout; 8–14 days at 68–72°F.
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A seed worth growing
A gold rudbeckia with a green eye.
Prairie Sun has 4–6" flowers with golden petals tipped in primrose yellow around a green center, freely produced on vigorous plants. A lovely cut flower.
Also called black-eyed Susan or gloriosa daisy. A tender perennial in Zones 9–10, usually grown as an annual. An All-America Selections winner.
Flowers about 90–105 days from sowing, on plants 28–32" tall. Pelleted seed with a conventional coating (not NOP-compliant). Open-pollinated.
In stock — Packet
Know before you sow
Growing times vary with weather, soil and local conditions.
Light helps it sprout; 8–14 days at 68–72°F.
12–18" apart in full sun.
Takes poor soil, heat and drought.
Long days start the bloom.
About 8–14 days at 68–72°F (20–22°C).
The best method. Sow in 50- to 72-cell trays 5–7 weeks before planting out. Barely cover the seed, since it needs light, and water from below or with a fine mist.
Barely cover the seed. No pinching is needed, and plants self-sow.
Full sun.
28–32".
12–18".
Perennial only in Zones 9–10; best grown as an annual.
For fresh use, cut before the flowers are fully open; for drying, cut when they are fully open.
Average, free-draining soil; tolerates poor ground and, once settled, heat and drought.
Rudbeckia needs long days to start blooming. Into fall it keeps making flowers, but smaller and on shorter stems. Deadheading brings more summer blooms.
A long-lasting cut flower; also for beds, pots, the back of borders and meadow or cottage gardens.
Black-eyed Susan or gloriosa daisy.
100 seeds.
About 15,250 on average.
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