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Bi-Color Black-Eyed Susan Seeds – Rudbeckia hirta – Yellow & Mahogany-Red Petals for Native Pollinator Gardens.
🌻 Dramatic Bi-Color Blooms for Summer Gardens
This Bi-Color Black-Eyed Susan (Rudbeckia hirta) offers a stunning variation on the classic native wildflower. The flowers feature golden-yellow petals that transition into deep mahogany-red or rust-colored rings around the prominent dark brown cone, creating a dramatic, eye-catching display. This tough, low-maintenance perennial blooms from mid-summer through fall and is a magnet for bees and butterflies, making it an essential plant for any pollinator garden. It thrives in a wide range of soils and requires very little care once established. This native beauty is also an excellent cut flower, adding a dramatic, rustic touch to floral arrangements.
🌱How to Plant & Grow
- Light Requirements: Full sun (6+ hours of direct sun per day). Tolerates light shade but will flower less intensely.
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Soil Type: Well-drained, average to dry soil. Tolerates poor soil, rocky soil, and clay soil. Excellent drainage is critical – does not tolerate waterlogged roots.
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Germination Time: 14–30 days after cold stratification (see instructions below).
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Days to Maturity: 120–150 days from seed to flower (first year blooms, but heavier bloom in year 2+).
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Mature Height: 18–30 inches (1.5–2.5 feet). Spread: 12–18 inches.
📏Spacing & Seeding Instructions
- Plant Spacing: Space plants 12 to 18 inches apart.
- Seeding Density (Per Square Foot): For mass planting, sow 4–6 seeds per square foot.
- Sowing Depth: Surface sow. Press seeds gently into the soil but do not cover – they need light to germinate.
📅 Growing Calendar
|
Stage |
Northern States(3–5) |
Mid-Atlantic (6–7) |
Southern States (8–9) |
|
Cold Stratification Start |
December – January |
December – January |
January – February |
|
Start Indoors (after strat) |
Late February – Early March |
Late February – Early March |
Late February – Early March |
|
Transplant Outdoors |
Mid – Late May |
Early – Mid May |
Late March – Early April |
|
Direct Sow (fall) |
Mid – Late October |
Late October – Early November |
Early – Mid November |
Important Note:Black-Eyed Susan seeds require cold stratification to germinate. They must experience a period of cold, moist conditions to break dormancy. See instructions below.
🧑🌾 Step-by-Step Planting Instructions
Fall Direct Sow (Easiest – Recommended for all zones):
- In late fall (October–November, after the first frost), prepare a well-drained bed in full sun.
- Scatter seeds on the soil surface. Press in gently. Do not cover.
- Let the seeds overwinter in the ground. The cold, moist conditions will naturally stratify the seeds.
- Seeds will germinate in early spring (April–May) once soil temperatures warm up.
- Thin seedlings to 12–18 inches apart after 4–6 weeks.
Indoor Cold Stratification (For Controlled Germination):
- Stratification Step: Place seeds in a damp paper towel or mix with moist sand inside a sealed plastic bag. Place the bag in your refrigerator (not freezer) for 30–60 days. Check periodically to ensure the sand/towel remains moist.
- Sowing Step: After 30–60 days, remove seeds from the refrigerator. Fill seed trays with moist seed-starting mix. Sprinkle seeds on the soil surface. Do not cover.
- Germination Step: Place in a warm area (65–75°F) with bright light. Keep soil moist. Seeds will germinate in 14–30 days.
- Transplant Step: After 6–8 weeks, harden off seedlings over 5–7 days before transplanting outdoors after the last frost.
Direct Sow in Spring (Requires artificial stratification):
- Place seeds in a damp paper towel in a sealed plastic bag. Refrigerate for 30–60 days.
- In early spring (April–May), after the last frost, prepare a well-drained bed.
- Scatter seeds on the soil surface. Press in gently. Do not cover.
- Water carefully. Keep soil moist until seedlings emerge (14–30 days).
- Thin seedlings to 12–18 inches apart after 4–6 weeks.
Ongoing Care:
- Watering: Water regularly until established (first 4–6 weeks). Once mature, water only during prolonged dry spells. The plant is highly drought-tolerant.
- Fertilizing: Do not fertilize. Black-Eyed Susan prefers poor soil and will produce more flowers when grown lean.
- Deadheading: Remove spent flowers to encourage a longer bloom period. In late fall, leave the spent flowers on the plant to provide seeds for birds.
- Dividing: Every 3–4 years, divide the plant in early spring or late fall to prevent overcrowding and maintain vigor.
- Overwintering: Cut back foliage to ground level in late fall. The plant will return from its root system in spring.
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Ⅰ.Order Cancellation
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Cancellation Deadline: If you need to cancel your order after successfully placing it, you must send us an email request within 24 hours of placing the order. Requests received after this period will not be processed.
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Application Method: Please send your order cancellation request to our official customer service email (support@zestseeds.com). The email subject must state “Order Cancellation Request + Order Number.” The email body should include your name, contact information, order number, and the reason for cancellation to help us verify and process your request quickly.
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Refund Information: Once your cancellation request is approved, we will process your refund within 1-3 business days. The refund amount will be fully returned to your payment account. The specific time for the funds to arrive depends on the payment platform and bank processing times, so please keep an eye on your account activity.
Ⅱ.Preparation Time
After you successfully place your order, we will complete preparation and warehouse review within 1-3 business days. To ensure the quality of the seeds, we conduct strict packaging inspections on each batch of seeds to ensure they are dry and undamaged before handing them over to our logistics partners for shipment.
Note: If your order contains multiple types of seeds or if there are holidays or peak order periods, the preparation time may be extended by 1-2 business days. We will inform you in advance on the order page or via email.
Ⅲ.Logistics Shipping Times
| Region | Estimated Transit Time |
| United States | 7-12 Business Days |
| Canada | 8-13 Business Days |
Ⅳ.Customer Service Contact Information
If you have any questions regarding shipping-related matters, please contact us through the following methods:
- Email: support@zestseeds.com
- Working Hours: Monday to Friday, 9:00 AM - 6:00 PM
The final interpretation of this shipping policy belongs to Zestseeds. If there are any adjustments, we will announce them in advance on our website. Thank you for your understanding and support, and happy planting!
