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When to Plant Cucumber in USDA Zone 11a

Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.

In Zone 11a, the average last spring frost is around January 1 and the first fall frost is around December 31, giving you a growing season of approximately 364 days.

Zone 11a Year-round
364 days
Last Spring Frost January 1
364 growing days
First Fall Frost December 31

Cucumber Planting Timeline — Zone 11a

Where Is USDA Zone 11a?

The map below highlights the states that contain Zone 11a. Click any state to see the Cucumber planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Cucumber Planting Calendar — Zone 11a

Activity When Date Range
Start Indoors December 4 Dec 4 – Dec 18
Transplant Outdoors January 8 Jan 8 – Jan 22
Direct Sow January 1 Jan 1 – Jan 22
Harvest March 5 Mar 5 – Apr 30

Plant 0.5" deep · 24" apart · Rows 48" apart

Month-by-Month Timeline

MonthActivities
January Transplant Outdoors Direct Sow
February
March Harvest
April Harvest
May
June
July
August
September
October
November
December Start Indoors

Free Zone 11a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 11a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High — keep soil consistently moist

Days to Maturity

50–70 days

Soil pH

6 – 7

Zone Temperature Range

40°F to 45°F average annual minimum

Growing Season

364 days (Zone 11a average)

Planting Specifications

Planting Depth0.5 inches
Plant Spacing24 inches apart
Row Spacing48 inches between rows

Growing Tips for Zone 11a

Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Sage

Level Up Your Garden

Saving Cucumber Seeds

Recommended for Your Garden

☀️
Garden Shade Cloth $15-35

Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

Related Plants

Frequently Asked Questions

When should I plant Cucumber in Zone 11a?

In Zone 11a, plan your Cucumber planting around the average last frost date of January 1. Start seeds indoors around December 4. Direct sow outdoors around January 1. Transplant seedlings around January 8.

Can Cucumber grow in Zone 11a?

Yes, Cucumber can grow well in Zone 11a, hardy in USDA zones 3a through 11b. Zone 11a has a growing season of approximately 364 days, which is sufficient for Cucumber (50-70 days to maturity).

When can I harvest Cucumber in Zone 11a?

In Zone 11a, expect to harvest Cucumber from March 5 – April 30. Cucumber takes 50-70 days from planting to harvest.

What is the last frost date for Zone 11a?

The average last spring frost in Zone 11a is around January 1, and the first fall frost is around December 31. This gives a growing season of approximately 364 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Cucumber?

Good companion plants for Cucumber include Corn, Peas, Radish, Sunflower. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 11a, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.