Black Eyed Susan Rudbeckia Seeds - Flower Plant

Black Eyed Susan Rudbeckia seeds produce hardy, flowering plants with upright, branching growth and daisy-like blooms. These plants are well suited for garden beds, borders, and naturalized plantings, where they establish easily and provide seasonal flowering. They thrive in full sun and adapt to a wide range of well-drained soils, including moderately low-fertility conditions. Once established, they tolerate dry periods and require minimal maintenance, making them 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: Rudbeckia variety flower seed
• Growth Habit: Upright, clump-forming annual or short-lived perennial
• USDA Zones: 3–9
• Planting Season: Spring or fall
• Growing Season: Summer to fall
• 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