Growing Guide
How to Grow Sunflowers
Everything you need to know about growing sunflowers — from planting to harvest.
Summer
Spring
Year-Round
Days to Harvest
70–100
Spacing
12–24"
Method
Direct sow
Trellis
No
Where Sunflowers Grows Best
Sunflowers can be grown in 12 out of 12 USDA hardiness zones. Click a zone to see specific planting dates.
Growing Sunflowers
Sunflowers typically takes 70–100 days from planting to harvest. Sow seeds directly in the garden. Space plants 12–24" apart for optimal growth.
Common Pests
Kits Featuring Sunflowers
These curated garden kits include sunflowers.
Create Your Own Plant Playlist
Use our kit themes as a starting point and build a custom planting plan for your garden.
Create a PlaylistFrequently Asked Questions
How long does it take to grow Sunflowers?
Sunflowers typically take 70–100 days from planting to harvest. Timing varies by zone and growing conditions.
Can I grow Sunflowers in containers?
Many gardeners successfully grow sunflowers in containers. Use a pot at least 12-18 inches deep with good drainage. Container plants may need more frequent watering.
What are the best companion plants for Sunflowers?
Sunflowers grow well alongside many garden plants. Check our kit pages for curated combinations that include sunflowers.
Grow Sunflowers in Your Zone
Select your USDA hardiness zone for zone-specific planting dates and tips.