Sea Kale illustration

Sea Kale Growing Guide

Brassicaceae family

Days to Harvest365 days
SunlightPart Sun / Part Shade
Frost ToleranceHeavy
Spacing24/sqft
Germination5-10 days
HardinessVery Hardy
Germ. Temp65°F
Start Indoors6 weeks before last frost

Growth Stages

  1. Seedling
  2. Early Vegetative
  3. Late Vegetative / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Sea Kale?

Sea Kale takes approximately 365 days from planting to harvest.

How much sun does Sea Kale need?

Sea Kale requires part sun / part shade.

How far apart should I plant Sea Kale?

Plant Sea Kale at 24/sqft using square foot gardening spacing.

Can Sea Kale survive frost?

Sea Kale is tolerant of heavy frost and can withstand freezing temperatures.

How long does Sea Kale take to germinate?

Sea Kale seeds germinate in 5-10 days at an optimal temperature of 65°F.

When should I start Sea Kale seeds indoors?

Start Sea Kale seeds indoors 6 weeks before your last frost date, then transplant -4 weeks after last frost.

Plan Your Sea Kale Garden

Track Sea Kale from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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