10+
Rudbeckia hirta seeds produce hardy, flowering plants with upright, branching growth and daisy-like blooms. This species is well suited for garden beds, borders, and naturalized plantings, where it establishes easily and provides seasonal flowering. It thrives in full sun and adapts to a wide range of well-drained soils, including moderately low-fertility conditions. Once established, Rudbeckia hirta tolerates dry periods and requires minimal maintenance, making it suitable for low-input landscapes.
Features
- Hardy flowering plant with upright, branching growth
- Suitable for borders, beds, and naturalized areas
- Adapts to well-drained soil types
- Tolerates dry conditions once established
- Performs well in full sun environments
- Low maintenance growth habit
Specifications
- Scientific Name: Rudbeckia hirta
- Common Name (US): Black-Eyed Susan
- Seed Type / Variety: Hirta species flower seed
- Growth Habit: Upright, branching annual or short-lived perennial
- USDA Zones: 3–9
- Planting Season: Spring or fall
- Growing Season: Summer to fall
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Sowing Season:
- Spring: March to May
- Fall: September to October
- Germination Time and Conditions: 7–21 days at 18–22°C with light moisture
- Sunlight Requirements: Full sun
- Soil Requirements: Well-drained, loamy or sandy soil
- Watering Needs: Low to moderate; drought tolerant once established
- Mature Plant Size: 40–90 cm height, 30–60 cm spread
- Plant Spacing: 30–45 cm apart
