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When to Plant Zucchini in USDA Zone 11a

Zone 11a Zone 11a April

Your April planting checklist for Zone 11a

Each item below is timed to Zone 11a's frost dates and soil temperatures. Skip nothing, stress about nothing.

Download your personalised Zone 11a planting plan →
Zucchini

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

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.

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

Zucchini 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 Zucchini planting schedule for that location.

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

Zucchini 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 February 26 Feb 26 – Apr 23

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January Transplant Outdoors Direct Sow
February Harvest
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

1.2"/week · Moderate — regular watering

Days to Maturity

45–60 days

Soil pH

6 – 7.5

Zone Temperature Range

°F to °F average annual minimum

Growing Season

364 days (Zone average)

Planting Specifications

Planting Depth1 inches
Plant Spacing30 inches apart
Row Spacing42 inches between rows

Succession Planting Zucchini in Zone

9
successive plantings in Zone 's ~364-day season

Sow every 5.1 weeks for continuous harvest throughout the season.

Growing Tips for Zucchini in Zone

Zone has a short growing season (~364 days). Start Zucchini indoors early and use season-extension techniques like row covers and cold frames.

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
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Saving Zucchini Seeds

Recommended for Your Garden

🌱
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.

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Related Plants

Frequently Asked Questions

When should I plant Zucchini in Zone 11a?

In Zone 11a, plan your Zucchini 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 Zucchini grow in Zone 11a?

Yes, Zucchini 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 Zucchini (45-60 days to maturity).

When can I harvest Zucchini in Zone 11a?

In Zone 11a, expect to harvest Zucchini from February 26 – April 23. Zucchini takes 45-60 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 Zucchini?

Good companion plants for Zucchini include Corn, Green Beans, Basil, Borage. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Your Free Printable Garden Planner

A 24-page printable planner tailored to your zone. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.

Instant PDF download. No spam, unsubscribe any time.

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.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.