When to Plant Edamame in Chatham County, GA
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.
Chatham County, Georgia is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 23, giving you a growing season of approximately 263 days.
At an elevation of 398 feet, Chatham County receives approximately 51.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91°F, providing good warmth for Edamame during the growing season. Sandy soil warms quickly in spring — great for early planting — but Edamame will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Edamame root diseases.
Chatham County Soil Profile
Soil Type
Sandy Loam
Soil pH
5-6.1
Drainage
Well Drained
Monthly Watering Guide for Edamame
Edamame needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Edamame Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.3" | 0" | ❄️ Dormant |
| Feb | — | 4.4" | 0" | ❄️ Dormant |
| Mar | 4.3" | 4.8" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| May | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Jun | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 6" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.3" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| Oct | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Nov | 4.3" | 4" | 0.3" | 💧 Light watering |
| Dec | — | 4.3" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Chatham County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Edamame Planting Timeline — Chatham County, GA
Edamame Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 12 | Mar 12 – Apr 2 |
| Harvest | May 28 | May 28 – Jul 9 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
75–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8b
📆 Growing Season
263 days in Chatham County
Growing Tips for Chatham County
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
Check more plant combinations with our Companion Planting Checker →
Edamame in Other Locations
Frequently Asked Questions
When should I plant Edamame in Chatham County, GA?
Chatham County is in Zone 8b with an average last frost of March 5. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.
What planting zone is Chatham County, GA?
Chatham County, Georgia is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 23.
Plan Your Garden with Confidence
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