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Growing Olive in Cali

🇨🇴 Zone 12 Planting Guide · Tropical monsoon climate

USDA Zone 12 365 frost-free days 1095-1825 days to harvest

Quick Answer: Growing Olive in Cali

Yes, you can grow Olive 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 Olive takes 1095-1825 days to harvest. Olive needs full sun and low watering.

Climate Match Analysis

Excellent Match Cali + Olive

Cali's temperature range (18°C to 30°C) falls within the optimal growing range for Olive (18°C to 30°C). This is an ideal climate match.

Olive tolerates -8°C to 40°C
Optimal: 18°C - 30°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

Olive Planting Calendar for Cali

Green months show the best time to plant Olive in Cali

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

Olive Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Low

Drought tolerant, water sparingly

📅

Days to Harvest

1095-1825

From planting to first harvest

📊

Difficulty

medium

Some experience helpful

💡 Growing Tips for Olive

Needs hot dry summers and mild winters. Must cure olives before eating. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

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

How to Grow Olive 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. Olive grows well with some gardening knowledge in this climate.

Olive thrives in temperatures between 18°C and 30°C, requiring full sun and low watering. In Cali, the best months to plant Olive are November, December, January, February. Since Olive can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 1095-1825 days after planting.

Cali receives 1483mm of annual rainfall, which provides good natural moisture for Olive. Be careful not to overwater — the natural rainfall may be sufficient.

Other Plants That Grow in Cali

More plants you can grow alongside Olive in Cali

Keep Exploring

Frequently Asked Questions

Can I grow olive in Cali?

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

When should I plant olive in Cali?

In Cali, the recommended planting months for Olive 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. Olive is frost tolerant, giving you more flexibility with planting dates.

How long does olive take to grow in Cali?

Olive typically takes 1095-1825 days from planting to harvest. In Cali's Tropical monsoon climate with 365 frost-free days, you have plenty of time to grow Olive to maturity. Needs hot dry summers and mild winters. Must cure olives before eating. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Can I grow olive indoors in Cali?

Olive can potentially be grown indoors in Cali with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Nov, Dec, Jan, Feb outdoor planting window. Use containers with good drainage and low watering.

What month do I plant olive in Cali?

Plant Olive 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 olive hard to grow in Cali?

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

What grows well with olive in Cali?

In Cali, you can grow many companion plants alongside Olive. 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 olive need full sun in Cali?

Olive requires full sun. In Cali, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

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

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