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CloseRudbeckia hirta
| Seed Depth | Press into surface |
|---|---|
| Seed Spacing | A group of 3 seeds every 12"-24" |
| Thinning | When 1"-2" tall, thin to 1 every 12"-24" |
| Germination | 10-15 days |
| Start Indoors | 8 to 10 weeks before your average last frost date. If started inside early enough, may bloom the first year. |
| Direct Sow | 2 to 4 weeks before your average last frost date, and as late as 2 months before your average first fall frost date. |
| Special Sowing | Light aids germination. Press seed into soil surface. |
| Special Care | Deadhead (remove spent blossoms) to extend the blooming period. Mulch heavily in fall after plant has gone dormant. |
| Growing & Harvesting | For longest vase life, harvest flowers in the morning, choosing those that have just unfurled all their petals and change vase water often. |