Zone 10 · Leafy Greens Growing Guide

When to Plant Kale
in Zone 10

Cold-hardy superfood that actually tastes better after frost. One of the most productive crops per square foot. Can harvest outer leaves all season.

Plant outdoors
Sep – Feb
Start indoors
Direct sow
Last Frost
~Jan 15
Days to harvest
50–65 days
Difficulty
Easy
Ready to harvest — Zone 10
Harvest window: Oct – Apr

Planting Calendar

In Zone 10, Kale should be planted outdoors Sep – Feb, after the average last frost date of approximately Jan 15.

Cool season only. Excellent winter production in Zone 10.

Care Guide

Sunlight
Full sun to partial shade · 4–8 hrs/day
Watering
Regular
Spacing
12–18 inches
Soil
Fertile, well-draining
Days to maturity
50–65 days
Soil pH
6.0–7.5
plant tip · Zone 10

Cool season only. Excellent winter production in Zone 10.

Feeding Schedule

How often
monthly
Feed type
high nitrogen
Key timing
throughout growing season

Leafy crop that loves nitrogen. Feed monthly with a nitrogen-rich fertilizer. Reduce feeding in the final 4 weeks before harvest.

Succession Planting

Sow every 4 weeks

Sow every 4 weeks from spring through midsummer. Kale improves after frost — a late summer sowing gives your best autumn and winter harvests.

Companion Planting for Kale

What you plant next to kale makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Beets
  • Celery
  • Herbs
  • Onions
  • Potatoes
Keep away from
  • Beans
  • Strawberries
  • Tomatoes

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Common questions

In Zone 10, kale is a fall-planted crop. Plant outdoors Sep – Feb once temperatures cool in autumn. It overwinters and is ready to harvest around Oct – Apr. No last frost consideration — plant before the ground freezes.
Zone 10 has an average last spring frost of approximately Jan 15 and a first fall frost around Dec 31. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for kale include Beets, Celery, Herbs, Onions, Potatoes. Avoid planting near Beans, Strawberries, Tomatoes, which can compete for nutrients or attract pests.
Kale typically takes 50–65 days from transplant or direct sow to harvest in Zone 10. Expected harvest window: Oct – Apr.

Recipes using this crop

Great ways to use your harvest — see all recipes

Free app · iOS February 2028

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