When to Plant Collard Greens

Plant collard greens by your frost dates, not the calendar: start seeds indoors about 8 weeks before your last spring frost, then plant outdoors about 2 weeks before your last frost. Pick your USDA zone below for exact dates.

Collard Greens planting calendar

spring planting

🌱

Start seeds indoors

Feb 18

🌿

Transplant outdoors

Apr 1

🌾

Projected first harvest

Jun 15

fall planting

🌱

Start seeds indoors

Jul 7

🌿

Transplant outdoors

Aug 11

🌾

Projected first harvest

Oct 25

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a — approximate

Most collard greens mature in about 60 to 75 days depending on the variety. Dates above use zone 7 as a reference point. Pick your zone below, or set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

2 varieties of collard greens in the HomeSown library. Tap any for its full grow guide.

Champion Collards →Collard Greens →

Common problems with collard greens

What to watch for, with identification and treatment for each

Cabbage Maggot Cabbage Root Maggot Diamondback Moth Harlequin Bug Cabbage Worms Cabbage Looper Clubroot Black Rot Boron Deficiency Bolting Bacterial Soft Rot Alternaria Leaf Spot

🌱 Grow collard greens with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

When to plant collard greens in your zone

Zone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →Zone 10 →