Skip to content
🥬 Vegetable medium

Growing Kale in Cali

🇨🇴 Zone 12 Planting Guide · Tropical monsoon climate

USDA Zone 12 365 frost-free days 55-75 days to harvest

Quick Answer: Growing Kale in Cali

Yes, you can grow Kale in Cali, CO! Plant during Nov, Dec, Jan, Feb for best results. Cali is in USDA Zone 12 with a Tropical monsoon climate, offering 365 frost-free days per year. The difficulty level is medium, and Kale takes 55-75 days to harvest. Kale needs full sun to partial shade and regular watering.

Climate Match Analysis

Moderate Match Cali + Kale

Cali's climate requires careful timing. Summer highs (30°C) exceed Kale's maximum (25°C), so plant early or provide shade. Follow the recommended planting months for success.

Kale tolerates -10°C to 25°C
Optimal: 5°C - 20°C
Cali range 18°C to 30°C

Cali Climate Data

USDA Zone
12
Frost-Free
365days
Winter Low
18°C
Summer High
30°C
Rainfall
1483mm/yr
Climate
Am
Tropical monsoon

Kale Planting Calendar for Cali

Green months show the best time to plant Kale in Cali

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Kale Not recommended

Kale Growing Requirements

☀️

Sunlight

Full Sun to Partial Shade

2-4 hours direct sunlight

💧

Water

Regular

Consistent moisture, 1-2 inches/week

📅

Days to Harvest

55-75

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Kale

One of the hardiest garden crops. Can overwinter in many climates with mulch. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Kale is frost tolerant — you can plant earlier in spring.

🤝

Companion Plants for Kale

Find out which plants grow best alongside Kale — and which to keep apart

🏠

Grow Kale Indoors

No garden? Learn how to grow Kale indoors with our complete guide

How to Grow Kale in Cali

Cali, CO is in USDA Hardiness Zone 12 with a Tropical monsoon climate (Köppen Am). With winter lows of 18°C and summer highs of 30°C, the growing season spans approximately 365 frost-free days. Kale grows well with some gardening knowledge in this climate.

Kale thrives in temperatures between 5°C and 20°C, requiring full sun to partial shade and regular watering. In Cali, the best months to plant Kale are November, December, January, February. Since Kale can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 55-75 days after planting.

Cali receives 1483mm of annual rainfall, which provides good natural moisture for Kale. Supplement with additional watering during dry spells.

Other Plants That Grow in Cali

More plants you can grow alongside Kale in Cali

Keep Exploring

Frequently Asked Questions

Can I grow kale in Cali?

Yes! Kale can be successfully grown in Cali, CO. Cali is in USDA Hardiness Zone 12 with a Tropical monsoon climate. The difficulty level for growing Kale here is rated "medium". The best months to plant are November, December, January, February.

When should I plant kale in Cali?

In Cali, the recommended planting months for Kale are November, December, January, February. Cali has 365 frost-free days per year, with winter lows of 18°C and summer highs of 30°C. Kale is frost tolerant, giving you more flexibility with planting dates.

How long does kale take to grow in Cali?

Kale typically takes 55-75 days from planting to harvest. In Cali's Tropical monsoon climate with 365 frost-free days, you have plenty of time to grow Kale to maturity. One of the hardiest garden crops. Can overwinter in many climates with mulch. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow kale indoors in Cali?

Kale can potentially be grown indoors in Cali with proper conditions. It requires full sun to partial shade (2-4 hours of indirect light). Indoor growing extends your season beyond the Nov, Dec, Jan, Feb outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant kale in Cali?

Plant Kale in Cali during November, December, January, February. These are the optimal months based on Cali's USDA Zone 12 climate, 365 frost-free days, and temperature range of 18°C to 30°C.

Is kale hard to grow in Cali?

Kale is rated "medium" to grow in Cali. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Kale in Cali is Moderate.

What grows well with kale in Cali?

In Cali, you can grow many companion plants alongside Kale. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Cali's Zone 12 climate.

Does kale need full sun in Cali?

Kale requires full sun to partial shade. Kale tolerates lower light. In Cali, a spot with filtered or indirect light for 2-4 hours works well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

See an error? Report it