🎨 AI-generated botanical illustration
🌱 Hemp
Cannabis sativa (industrial)
fibers
annual
☀️ Sun
full sun
💧 Water
moderate
🗺️ Zones
[4,5,6,7,8,9,10]
🧪 Soil pH
6.0-7.5
🪴 Soil Type
well-drained, loamy
📏 Spacing
4-6 inches (fiber); 18-24 inches (seed)
📐 Height
6-15 ft
⏱️ Maturity
70-90 days (fiber)
🤝 Companions (7)
🤝 Bean
Beans provide nitrogen for nitrogen-hungry hemp
🤝 Buckwheat
Quick-growing cover crop between hemp rows; attracts beneficials
🤝 Corn
Hemp's rapid growth suppresses weeds for corn
🤝 Sunflower
Hemp provides windbreak; sunflower attracts pollinators and beneficial insects
🤝 brassicas
Deters cabbage moth and flea beetles
🤝 clover (crimson)
Nitrogen-fixing living mulch beneath hemp; suppresses weeds
🤝 corn
Hemp provides windbreak for corn
⚠️ Keep Apart (1)
⚠️ none — but grows so tall and fast it shades out anything shorter within 3 ft
📝 Growing Notes
Among fastest-growing plants on Earth. 250% more fiber/acre than cotton. Deep taproots break compacted soil. Phytoremediation — absorbs heavy metals.
🛒 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.