Sweet Blackeyed Susan (Rudbeckia subtomentosa)
Sweet Blackeyed Susan is a 3' to 5' tall native perennial that gets its common name from its sweet anise fragrance and its appearance similar to Blackeyed Susan. It features up to 3" wide bright yellow daisy-like flowers with dark centers. Sweet Blackeyed Susan prefers moist soils in full sun or part shade and occurs mostly on moist prairies, along streams, and in other low areas. It is easily established from seed, is a good garden plant for moist soil areas and is a good cut flower plant. It is often used in pollinator conservation plantings. Prices listed are based on pure live seed weight, not bulk weight. You are only paying for viable seed.
Species Details
Common Name (Botanical Name) | Sweet Blackeyed Susan (Rudbeckia subtomentosa) |
Alternatative Common Names | Sweet Coneflower |
Botanical Synonyms |
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Bloom Season | Summer-Fall |
Group | Wildflowers/Forbs |
Bloom Color | Yellow |
Duration | Perennial |
Soil moisture | Medium (Mesic);Wet (Hydric) |
Soil texture | Coarse (Sand);Medium (Silt/Loam);Fine (Clay) |
Sun Exposure | Full Sun;Part Shade |
Status | Native |
Wetland status | FAC;FACU |
pH | Acidic;Neutral;Alkaline |
pH Values | |
Average height | 4-5ft |
USDA Zones | 4a;4b;5a;5b;6a;6b;7a;7b;8a;8b; |
RNS Region | 1;2 |
Planting rate/Acre | Not Recommended |
Seeds Per Lb. | 688000 |
Seeds Per Oz | 43000 |
Seeds Per Packet | 570 |
Product Benefits | Aesthetic Value;Cut Flowers;Wildlife Cover;Nectar Source; |