More Information
| Botanical Name |
Rudbeckia hirta |
| Seeds Per Pack |
50 |
| Life Cycle |
Perennial |
| Min. Time to Germinate |
5 Days |
| Max. Time to Germinate |
21 Days |
| Depth to Sow Seeds |
Surface Sow; press seeds gently into the soil to make good contact, but do not cover with any additional soil; these seeds require light to germinate |
| When to Sow |
Indoors 6-8 weeks before last spring frost, Outdoors after all danger of spring frost is past, Outdoors in early spring, a month before the last spring frost |
| Growing Height |
24-36 in. (60-90 cm) |
| Plant Spacing |
12-15 in. (30-38 cm) |
| Hardiness |
USDA Zone 5a: to -15F, USDA Zone 5b: to -10F, USDA Zone 6a: to -5F, USDA Zone 6b: to 0F, USDA Zone 7a: to 5F, USDA Zone 7b: to 10F, USDA Zone 8a: to 15F, USDA Zone 8b: to 20F, USDA Zone 9a: to 25F, USDA Zone 9b: to 30F, USDA Zone 10a: to 35F, USDA Zone 10b: to 40F |
| Sun Exposure |
Full Sun |
| Danger |
N/A |
| Bloom Color |
Bright Yellow, Gold (Yellow-Orange) |
| Bloom Time |
Late Summer/Early Fall, Mid-Summer |
| Foliage |
Herbaceous |
| Other Details |
Average Water Needs; Water regularly; do not overwater, Drought-tolerant; suitable for xeriscaping, Self-sows freely; deadhead if you do not want volunteer seedlings next season, This plant is attractive to bees, butterflies and/or birds, This plant is resistant to deer |
| Soil pH Requirements |
5.6 to 6.0 (acidic), 6.1 to 6.5 (mildly acidic), 6.6 to 7.5 (neutral) |
| Propagation Methods |
From seed; direct sow after last frost, From seed; direct sow outdoors in fall, From seed; sow indoors before last frost, From seed; winter sow in vented containers, coldframe or unheated greenhouse |
| Seed Collecting |
Allow seedheads to dry on plants; remove and collect seeds |
This Black-Eyed Susan features extra-large golden yellow blooms that are rounded at the ends. The plants are compact and multi-branching, while the flowers are prolific and great for cutting. Indian Summer was an All-America Selections Winner in 1995.