Sweet Black-eyed Susan (Rudbeckia subtomentosa)
Sweet Black-eyed Susan is a sophisticated and long-lived perennial that offers a refined alternative to the common Black-eyed Susan. Growing 3 to 6 feet tall, it is named for the subtle, sweet scent of anise that emanates from its flowers, especially on warm days. The blooms feature numerous bright yellow rays surrounding a dark brown central cone and appear in profusion from August through October. Its foliage is soft and finely hairy, with lower leaves that are often deeply lobed. Native to the central and southeastern United States, it is typically found in prairies and savannas, preferring full to partial sun and medium-wet to medium-dry soils. This species is particularly valued for its sturdy, upright habit that rarely requires staking, even in rich soils. It is a magnet for late-season pollinators and provides high-quality seeds for birds in the winter. For best results, seeds can be sown in the fall or given a short period of cold-moist stratification before spring planting to ensure uniform germination.
Quick facts
- Height: 3–6 ft
- Sun: Full to Partial
- Soil moisture: Medium-Wet to Medium-Dry
- Bloom time: Aug–Oct (Yellow)
- Life cycle: Perennial
- Notes: Long-lived
- Native range: Native to 18 states, including Iowa, Wisconsin, Illinois, Missouri, Kansas, Indiana
See the full growing guide and county range map for Sweet Black-eyed Susan
Return policy
Due to the nature of seed products, all sales are final. However, if you receive the wrong item or there is an issue with your order, please contact us within 7 days of delivery and we will make it right.
Shipping
Orders are typically processed within 2–5 business days. Shipping times vary based on your location and order size. You will receive tracking information once your order has shipped. For bulk or custom orders, shipping timelines may vary.
Manufacturing
All of our seeds are responsibly sourced and processed to ensure high quality and strong germination rates. We focus on native species adapted to regional conditions, helping support sustainable land management and long-term growth success.
A significant portion of our seed inventory is grown and harvested by our team to ensure the highest quality and consistency.
Discover our Mixes
GROW NATIVE
Support Wildlife
GROW NATIVE
Explore Seeds
GROW NATIVE
What customers say
Over 500
Happy Reviews
You May Also Like



