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Can You Grow Collard Greens in Delaware?
US · USDA Zone 7a · zones 6b, 7a
Collards are well-suited to your zone — they handle summer heat and frost alike.
Plant zones
Delaware last frost
Delaware first frost
Days to harvest
When to plant Collard Greenses in Delaware
Start indoors
Transplant
Harvest
Dates are approximate, based on Delaware's average frost dates. Your exact yard may vary by microclimate.
About Collard Greens
Collard greens are a Southern staple — extremely hardy, tolerating both frost and summer heat better than most brassicas. Rich in nutrients and one of the most productive greens per square foot.
Start indoors 4-6 weeks before last frost or direct sow. Harvest lower leaves as needed. Plants withstand hard frosts — flavor improves after cold snaps. In warm zones, grow as a fall/winter crop.
Gardening in Delaware
Delaware has a humid subtropical climate moderated by the Atlantic. Mild winters and warm summers support a long growing season for mid-Atlantic vegetables.
Frequently asked questions
Can you grow Collard Greens in Delaware?
Collards are well-suited to your zone — they handle summer heat and frost alike.
What zone is Delaware?
Delaware spans USDA Zone 7a (6b, 7a).
When do you plant Collard Greenses in Delaware?
Plant Collard Greenses around early March (start indoors Feb 7), harvest May 6 – May 26.