How long does sea kale take to grow?

Sea Kale is ready to harvest in about 60 days, measured from planting.

When to Plant Sea Kale

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

Sea Kale planting calendar

🌱

Start seeds indoors

Feb 18

🌿

Transplant outdoors

Apr 29

🌾

Projected first harvest

Jun 28

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

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

Sea Kale is ready to harvest in about 60 days. 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

1 variety of sea kale in the HomeSown library. Tap any for its full grow guide.

Sea Kale →

Common problems with sea kale

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 Tip Burn Boron Deficiency Bolting Bacterial Soft Rot

🌱 Grow sea kale 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 sea kale in your zone

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