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When to plant Edamame in Palm Beach County, FL

Palm Beach County's spring Edamame window runs February 24 through March 17. aim for a steady week of warm soil before planting.

When to Plant Edamame in Palm Beach County, FL

Palm Beach County, Florida Zone 10b June

This month in Palm Beach County, Florida

Your Palm Beach County, Florida garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost February 17
Soil temp (4") 87°F
Watering Low
Pest pressure High
Daylight 13.7 hrs
  1. Collect edamame at their peak

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

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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.

Palm Beach County, Florida is in USDA Zone 10b. The average last spring frost is February 17 and the first fall frost is April 15, giving you a growing season of approximately 57 days.

At an elevation of 355 feet, Palm Beach County receives approximately 50 inches of rainfall annually with predominantly sand soil. Summer highs average 93°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.

Palm Beach County, FL (Zone 10b) Very short season
57 days
Last Spring Frost February 17
57 growing days
First Fall Frost April 15

Palm Beach County Soil Profile

Soil Type

Sand

Soil pH

5.1-5.9

Drainage

Well Drained

Soil Compatibility in Palm Beach County

How your county's soil matches Edamame's growing requirements.

Soil pH

Your soil pH (5.1–5.9) is more acidic than Edamame prefers (6.0–7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Palm Beach County warms quickly in spring but drains fast. Edamame will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Edamame.

Organic Matter

Organic matter is low (1.3%). Add 2-3 inches of compost before planting Edamame.

How to Plant Edamame

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Edamame Water Budget

Plant needs
0.9″/week
Rainfall provides
0.6″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,932 gal / 100 sq ft

Monthly Watering Guide for Edamame

Edamame needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Edamame Needs Rainfall You Supplement Action
Jan 2.4" 0" ❄️ Dormant
Feb 3.9" 2.3" 1.6" 💧 Light watering
Mar 3.9" 3.2" 0.7" 💧 Light watering
Apr 3.9" 2.4" 1.5" 💧 Light watering
May 3.9" 3.3" 0.6" 💧 Light watering
Jun 3.9" 6.2" 0" ✅ Rainfall sufficient
Jul 3.9" 7.3" 0" ✅ Rainfall sufficient
Aug 3.9" 7.4" 0" ✅ Rainfall sufficient
Sep 3.9" 7" 0" ✅ Rainfall sufficient
Oct 3.9" 4.2" 0" ✅ Rainfall sufficient
Nov 2" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

Water needs are for active growing months only (Feb–Oct in Palm Beach County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Edamame Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Edamame needs ~1,728 GDD — county provides 7,208 GDD Excellent fit

Edamame Planting Timeline — Palm Beach County, FL

Edamame Planting Calendar

Activity When Date Range
Direct Sow February 24 Feb 24 – Mar 17
Harvest May 12 May 12 – Jun 23

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · 1-2 times/week

📅 Days to Maturity

75–100 days

🧪 Soil pH

Needs 6–7 · Your soil: too_acidic

🗺️ USDA Zone

Zone 10b

📆 Growing Season

57 days in Palm Beach County

Growing Tips for Edamame in Palm Beach County

Direct sow Edamame outdoors after February 17 in Palm Beach County when soil has warmed and frost danger has passed.

Sandy soil in Palm Beach County dries quickly — mulch Edamame with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Common pests for Edamame in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

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

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Edamame in Palm Beach County, FL?

Palm Beach County is in Zone 10b with an average last frost of February 17. Plan your Edamame planting based on this frost date — see the calendar above for exact timing.

What planting zone is Palm Beach County, FL?

Palm Beach County, Florida is in USDA Hardiness Zone 10b. The average last spring frost is February 17 and first fall frost is .

When should I plant Edamame in Palm Beach County, FL?

In Palm Beach County, FL, plant Edamame after the last frost (around January 1) and before the first frost (around December 31). Best results when soil holds above 50°F.

What growing zone is Palm Beach County, FL for Edamame?

Palm Beach County sits in USDA Zone 10b. Edamame grows reliably in zones 3a through 10b, so it's a good fit here.

Can Edamame grow in Palm Beach County's climate?

Yes — Edamame grows well in Palm Beach County's temperate climate. Palm Beach County averages a 365-day frost-free season, with last frost around January 1 and first frost around December 31.

🌱

Your Palm Beach County Garden Planner — Free

A 22-page printable planner built for Palm Beach County (Zone 10b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Palm Beach County, FL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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