Plant Calculator
Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Rudbeckia hirta you will need.
*Correct and successful spacing is complex and depends on project conditions.
Rudbeckia hirta
Black Eyed Susan
- Sturdy, upright plants with long season of bloom
- Orange daisy flowers with dark brown eye
- Black seed heads attractive in winter
- Category: Perennials
- Hardiness Zone: 3-9
- Height: 18-24 in
- Spread: 18-24 in
- Bloom Color: Yellow