When to Plant Edamame in USDA Zone 10a
June to-do list for Zone 10a
Each item below is timed to Zone 10a's frost dates and soil temperatures. Skip nothing, stress about nothing.
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Basket week: edamame
Check every 1–2 days. Many of these get tough or go to seed if you wait too long.
Edamame are soybeans harvested at the immature green stage for a sweet, nutty snack. They are high in protein and easy to grow in warm climates.
In Zone 10a, 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.
Edamame Planting Timeline — Zone 10a
Where Is USDA Zone 10a?
The map below highlights the states that contain Zone 10a. Click any state to see the Edamame planting schedule for that location.
Edamame Planting Calendar — Zone 10a
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | January 8 | Jan 8 – Jan 29 |
| Harvest | March 26 | Mar 26 – May 7 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Direct Sow |
| February | — |
| March | Harvest |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Free Zone 10a Planting Calendar PDF
Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 10a with start dates, transplant windows, and harvest times.
Growing Conditions
Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Days to Maturity
75–100 days
Soil pH
6 – 7
Zone Temperature Range
30°F to 35°F average annual minimum
Growing Season
365 days (Zone 10a average)
Planting Specifications
| Planting Depth | 1 inches |
| Plant Spacing | 15 inches apart |
| Row Spacing | 24 inches between rows |
Succession Planting Edamame in Zone 10a
Sow every 8.6 weeks for continuous harvest throughout the season.
Growing Tips for Edamame in Zone 10a
Zone 10a offers a long growing season (~365 days). You can plant Edamame earlier and may get multiple harvests.
Direct sow after soil is warm. Do not over-fertilize with nitrogen. Harvest when pods are plump and bright green but before they start to yellow. Steam or boil pods before eating.
Companion Planting
Good Companions
Avoid Planting Near
The Gardener's Encyclopedia to Companion Planting
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- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Saving Edamame Seeds
Recommended for Your Garden
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Related Plants
Edamame in Other Zones
Edamame by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Edamame in Zone 10a?
In Zone 10a, plan your Edamame planting around the average last frost date of January 1. Direct sow outdoors around January 8.
Can Edamame grow in Zone 10a?
Yes, Edamame can grow well in Zone 10a, hardy in USDA zones 3a through 10b. Zone 10a has a growing season of approximately 364 days, which is sufficient for Edamame (75-100 days to maturity).
When can I harvest Edamame in Zone 10a?
In Zone 10a, expect to harvest Edamame from March 26 – May 7. Edamame takes 75-100 days from planting to harvest.
What is the last frost date for Zone 10a?
The average last spring frost in Zone 10a 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 Edamame?
Good companion plants for Edamame include Corn, Squash Summer. These companions can help with pest control, pollination, and nutrient sharing.
Your Zone 10a Garden Planner — Free
A 22-page printable planner tailored to Zone 10a. Planting dates, monthly task lists, harvest log, seed inventory, and succession charts — everything you need to plan a full season.