Customer Service Hours
Mon-Fri 8-4 MST
Features
Family
Asteraceae
Native
North America
Life Cycle
Annual
Plant Height
Medium (12" - 24")
Flower Color
Yellow
Bloom Season
Summer to frost
Further Information
Plant Characteristics
- Attracts Pollinators
- Cut Flower
- Good for Containers
Growing Conditions
- Drought Tolerant
- Heat Tolerant
About ["Sunflower"]
Helianthus annuus
Planting ["Sunflower"]
Plant Spacing
A group of 3 seeds every 6"–9"
Light Required
Full sun
Plant Height
Medium (12" - 24")
Planting Depth
¼"–½"
Planting Details
| Seed Depth | ¼"–½" |
|---|---|
| Seed Spacing | A group of 3 seeds every 6"–9" |
| Thinning | When 3" tall, thin to 1 every 6"–9" |
| Germination | 10–15 days |
| Start Indoors | 2 to 4 weeks before your average last frost date. Sunflowers are senstive to root disturbance; sow in biodegradable pots that can be planted directly in the ground. |
| Direct Sow | RECOMMENDED. 1 to 2 weeks after your average last frost date. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
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