Botanical Interests
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Product Details
Product Details
Your hardiness zone is
- Variety Info
- Sowing Info
- Growing Info
Variety Info
Family: Asteraceae
Native: North America
Hardiness: Annual
Exposure: Full Sun
Bloom Period: Summer to frost
Plant Dimensions: 6' tall
Variety Info: 4"–5" blooms feature creamy yellow tips and burgundy centers in unique variations
Attributes: Cut Flower, Heat Tolerant
Sowing Info
When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date.
When to Start Inside: 2 to 4 weeks before your average last frost date. Sunflowers are sensitive to root disturbance; sow in biodegradable pots that can be planted directly in the ground.
Sprouts in: 10 – 15 Days
Plant Seeds (Depth): 1/2"
Space Seeds: A group of 2 seeds every 18" ‒ 24"
Thinning: When 3" tall, thin to 1 every 18" ‒ 24"
Growing Info
Special Care: Avoid overhead watering to prevent disease. If grown in less than 8 hours of sun, you may have to stake the sunflowers by placing the stake in the ground at sowing time to avoid root damage. Deadhead (remove spent blossoms) regularly unless you are growing them to harvest the seeds. For long stems, sow tighter spacing of 10"; flowers will be smaller than those grown in a wider spacing.
