Leafy greens · cool season
Collard greens
Brassica oleracea var. viridis
A southern crop that is even better after an Ohio frost. Fall plantings are the ones to grow.
- When to plant in Ohio
- Start indoors March or direct sow July for fall
- Harvest window
- June; peak flavor October–December
- Days to maturity
- 60–80
- Spacing
- 18 in.
- Light
- Full sun
How to grow it
For a fall stand, sow or transplant in July. Harvest lower leaves. Georgia and Champion handle cold. A simple low tunnel can keep collards picking into January in southern Ohio.
Related leafy greens
Leaf lettuce 30–45 for baby; 45–55 full
Romaine lettuce 60–75
Spinach 37–50
Kale 50–65