Edamame
Photo: "Edamame" by Ryusuke Seto · CC BY 2.0
Vegetable · Soybean

Edamame

Fabaceae

VERY NARROW HARVEST WINDOW (2-3 days at R6-R7 stage). Photoperiod-sensitive — select maturity group for latitude. Requires specific Bradyrhizobium japonicum inoculant. Entire plant harvested at once by cutting at ground level. Succession planting every 10 days is essential to maintain supply. Envy: 75 days. Midori Giant: 85-95 days.

At a Glance

Days to Maturity
75–95 days
Sun
6+ hours
Container
Yes
3+ gallon pot
Height
1.7–2 ft

Zone Planting Guide

Growing Guide

Germination

Germination Time 7–14 days
Optimal Temp 65°F
Seed Depth 1"

Watering

Weekly Water 1 "
Needs Moderate

Soil

pH Range 6–7

Resilience

Heat: Medium Cold: Low Drought: Medium

Nutrition

Feeding Intensity Moderate feeder

Harvest

Pods 80-90% full, bright green, before ANY yellowing. Window is only 2-3 DAYS.

Storage Harvest when pods are bright green and beans inside are plump; quality drops fast after harvest—blanch/freeze for storage.

Companion Planting

Good Companions

Silver queen sweet corn Classic companion; beans can benefit from corn as a living trellis in mixed plantings.

Avoid Planting Near

Green onion scallion Alliums are commonly listed as poor companions for beans.
Softneck garlic Alliums are commonly listed as poor companions for beans.

Sources

university SDSU Extension — Edamame seed_catalog J.W. Jung Seed Company university Virginia Cooperative Extension — Companion Planting in Gardening (SPES-620) university UC Master Gardener Program (UC Davis) — Companion Planting Chart

More Vegetables

Edamame Planting Dates by Zone

Planting dates for Edamame vary by USDA hardiness zone. Select your zone below for frost dates, start-indoors timing, and a full monthly planting calendar.

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