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Buckwheat

cover-crop

Fastest summer cover — flowers in 4 weeks, suppresses weeds, mines phosphorus.

At a glance

USDA Zones
3–11
Sun
Full sun (6+ hrs)
Water
Low — drought-tolerant once established
Soil
loam, sandy, clay
pH
acidic, neutral
Spacing
3 in. between plants
SFG per sq ft
16 plants per 1-ft cell
Days to maturity
~40 days

Planting & harvest windows

Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Plant

Plant  Harvest

Recommended varieties

Add Buckwheat to your raised bed — the planner handles spacing and companion warnings automatically.

Open the planner →
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