🥬

Collards

vegetable

Cold-hardy southern staple — flavor improves after frost.

At a glance

USDA Zones
3–10
Sun
Full sun (6+ hrs)
Water
Medium — water when top inch of soil is dry
Soil
loam
pH
neutral
Spacing
18 in. between plants
SFG footprint
2×2 ft cell footprint
Days to maturity
~70 days

Planting & harvest windows

Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Plant
Harvest

Plant  Harvest

Good companions

Keep apart from

Recommended varieties

Add Collards to your raised bed — the planner handles spacing and companion warnings automatically.

Open the planner →
← All plantsFull companion chart →