Growing Guide
How to Grow Collard Raab
Everything you need to know about growing collard raab — from planting to harvest.
Spring/Fall
Fall-Spring
Winter
Days to Harvest
40–55
Spacing
4–6"
Method
Direct sow
Trellis
No
Where Collard Raab Grows Best
Collard Raab can be grown in 12 out of 12 USDA hardiness zones. Click a zone to see specific planting dates.
Growing Collard Raab
Collard Raab typically takes 40–55 days from planting to harvest. Sow seeds directly in the garden. Space plants 4–6" apart for optimal growth.
Common Pests
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 Collard Raab?
Collard Raab typically takes 40–55 days from planting to harvest. Timing varies by zone and growing conditions.
Can I grow Collard Raab in containers?
Many gardeners successfully grow collard raab 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 Collard Raab?
Collard Raab grows well alongside many garden plants. Check our kit pages for curated combinations that include collard raab.
Grow Collard Raab in Your Zone
Select your USDA hardiness zone for zone-specific planting dates and tips.