🎨 AI-generated botanical illustration
🌱 Oat
Avena sativa
grains
annual grass
☀️ Sun
full sun
💧 Water
moderate to high
🗺️ Zones
[3,4,5,6,7,8,9]
🧪 Soil pH
5.5-7.0
🪴 Soil Type
well-drained, loamy
📏 Spacing
3-4 inches
📐 Height
2-4 ft
⏱️ Maturity
90-120 days
🤝 Companions (5)
🤝 Field Pea
Classic cover crop mix — oat provides structure, pea fixes nitrogen
🤝 Field Pea
Classic cover crop mix — oat provides structure, pea provides nitrogen
🤝 clover (crimson)
Triple mix: oat + pea + clover maximizes biomass and nitrogen
🤝 vetch
Traditional green manure pairing
🤝 vetch (hairy)
Traditional green manure pairing; complementary root depths
⚠️ Keep Apart (1)
⚠️ none — but avoid following with other cereals (disease carryover)
📝 Growing Notes
Cool-season grain. Excellent cover crop — dense root system suppresses weeds. Oat straw is the best mulch material. Rolled oats, steel-cut, Scottish — all the same grain, different processing.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
Plot Buddies is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. This does not affect our plant recommendations — we only link to retailers we trust.