Plan your planting
Choose a planting time that matches this variety and your local conditions. Check the weather and seed packet before you begin.
Sowing Season: Spring, Summer
USDA Zones: Annual
Black Oil Sunflower Seeds1 / 7
Plan for your local conditionsListed USDA zones: Annual.
Product Description
- Blooms in about 70-100 days
- Grows 3-10 ft tall
- Great for showy back borders, cut flowers and bird seed
- Thrives in full sun
- Best sown in spring, summer
Grow Black Oil Sunflower (Helianthus annuus), a rewarding sunflower for home gardens—blooms in about 70-100 days and germinates in about 7-10 days. For best results, sow in spring, summer, plant in full sun, expect plants about 3-10 ft tall and best in USDA zones Annual. The blooms are ideal for showy back borders, cut flowers and bird seed. Harvest when backs of heads turn golden. 70-100 DAYS.
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VARIETY AT A GLANCE
Black Oil Sunflower Seeds
- Botanical Name
- Not specified for this variety
- Height
- 3-10 ft.
- Seed Count
- 50 seeds · 300 seeds
- Life Cycle
- Annual
Plant size and appearance can vary with local growing conditions. See Planting & care for this variety’s growing requirements.
GROWING REQUIREMENTS
Planting & care
Growing conditions and planting specifications for this variety.
- Germination
- 7-10 Days
- Light
- Full Sun
- Days to Bloom
- 70-100 Days
- Sowing Season
- Spring, Summer
Growing notes
Growing times are a guide and can vary with local conditions. Get growing support.
FROM YOUR GARDEN
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Questions & answers
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Product guidance
Sun
Full Sun
Height
3-10 ft.
Days to Bloom
70-100 Days
Sowing Season
Spring, Summer
USDA Zones
Annual
Germination Time
7-10 Days
Ask our team about this variety
Send your question with your growing conditions. Our team can follow up privately by email.
YOUR STEP-BY-STEP GROWING GUIDE
From seed to a growing garden.
A practical starting point for Black Oil Sunflower Seeds. Use the listed growing requirements and your seed packet together.
Prepare the right space
Match the growing site to the listed light and space requirements. Prepare your bed or containers before sowing.
Sun: Full Sun
Height: 3-10 ft.
Sow & establish
Follow this variety's planting notes for any seed preparation, sowing method and moisture requirements. Label your planting and record the date.
Germination Time: 7-10 Days
Watch, care & enjoy
Check progress regularly and follow the variety's care instructions. Growing times are a guide; weather, soil and growing conditions can change the result.
Days to Bloom: 70-100 Days
Read the planting & care notes for this variety or ask our team a growing question.
FROM OUR STORE TO YOUR DOOR
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Processing & delivery
Orders are sent for dispatch within 48 hours. Standard delivery is typically 4–6 business days after processing. Timing may vary by destination.
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Free U.S. shipping on orders $19.90+ after discounts. Orders below $19.90 ship for $5.90. Final rates and international availability are shown at checkout.
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Black Oil Sunflower Seeds50 seeds
$7.98