Dibble

When to plant Collard Greens

Start indoors 6 weeks before last frost and transplant 2 weeks before. Heat- and cold-tolerant, pick the lower leaves for months.

Type: VegetablesSun: Full sunWater: Moderate waterDays to maturity: 60Spacing: 18"Hardiness: Hardy

Download on the App Store

When to plant Collard Greens by zone

ZoneStart seeds indoorsSow or transplantHarvest
Zone 3April 3May 1June 30
Zone 4March 29April 26June 25
Zone 5March 19April 16June 15
Zone 6March 10April 7June 6
Zone 7February 27March 27May 26
Zone 8February 14March 14May 13
Zone 9January 18February 15April 16
Zone 10December 20January 17March 18
Zone 11November 20December 18February 16

These dates use typical frost dates for each zone. Dibble tunes them to your exact ZIP and lets you adjust frost dates for your own yard.

Companion plants

Good neighbors for Collard Greens:

OnionBeetPotato

Better kept apart:

TomatoStrawberry

Family and rotation

Collard Greens is in the brassicas family. Hungry leaf crops. Follow legumes; avoid following other brassicas. Learn about crop rotation.

Related crops

Kale

When to plant

Broccoli

When to plant

Radish

When to plant

Cabbage

When to plant

Cauliflower

When to plant

Brussels Sprouts

When to plant

Questions

When should I plant collard greens?

It depends on your zone. Collard Greens is a hardy crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and enter your ZIP to get your own calendar.

How long does collard greens take to grow?

About 60 days from transplant to the first harvest, with a picking window of roughly 90 days after that.

What grows well with collard greens?

Good companions include Onion, Beet, Potato. Keep it away from Tomato, Strawberry.


Plant at the right time this season

Dibble builds your calendar in under a minute. Free to start, no account needed.