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When to Plant Melon in USDA Zone 9b

Zone 9b Zone 9b April

April in Zone 9b — your action list

We've pulled the most time-sensitive tasks for Zone 9b this April and put them front and centre. Tackle them in order.

Avg. last frost February 2
Avg. first frost December 18
  1. It's harvest week for melon

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

May prep starts now
  • First harvests: melon
Want it on paper? Download your Zone 9b planting guide →

Melons are warm-season vine crops that produce sweet, juicy fruits in many varieties including muskmelon and honeydew. They need a long, hot growing season.

In Zone 9b, the average last spring frost is around January 25 and the first fall frost is around December 20, giving you a growing season of approximately 329 days.

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Zone 9b Year-round
329 days
Last Spring Frost January 25
329 growing days
First Fall Frost December 20

Melon Planting Timeline — Zone 9b

Where Is USDA Zone 9b?

The map below highlights the states that contain Zone 9b. Click any state to see the Melon planting schedule for that location.

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

Melon Planting Calendar — Zone 9b

Activity When Date Range
Start Indoors December 28 Dec 28 – Jan 11
Transplant Outdoors February 1 Feb 1 – Feb 15
Direct Sow January 25 Jan 25 – Feb 15
Harvest April 12 Apr 12 – May 31

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

Month-by-Month Timeline

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

Free Zone 9b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 9b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

Days to Maturity

70–100 days

Soil pH

6 – 7

Zone Temperature Range

°F to °F average annual minimum

Growing Season

329 days (Zone average)

Planting Specifications

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

Succession Planting Melon in Zone

5
successive plantings in Zone 's ~329-day season

Sow every 8 weeks for continuous harvest throughout the season.

Growing Tips for Melon in Zone

Zone has a short growing season (~329 days). Start Melon indoors early and use season-extension techniques like row covers and cold frames.

Start seeds indoors 3-4 weeks before transplanting. Plant on raised mounds of compost-enriched soil. Reduce watering as fruits ripen to concentrate sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Cucumber
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Saving Melon 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 Melon in Zone 9b?

In Zone 9b, plan your Melon planting around the average last frost date of January 25. Start seeds indoors around December 28. Direct sow outdoors around January 25. Transplant seedlings around February 1.

Can Melon grow in Zone 9b?

Yes, Melon can grow well in Zone 9b, hardy in USDA zones 4a through 11b. Zone 9b has a growing season of approximately 329 days, which is sufficient for Melon (70-100 days to maturity).

When can I harvest Melon in Zone 9b?

In Zone 9b, expect to harvest Melon from April 12 – May 31. Melon takes 70-100 days from planting to harvest.

What is the last frost date for Zone 9b?

The average last spring frost in Zone 9b is around January 25, and the first fall frost is around December 20. This gives a growing season of approximately 329 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Melon?

Good companion plants for Melon include Corn, Radish, Lettuce. 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.