Buckwheat
Scientific Name: Fagopyrum esculentum
Life Cycle: Summer annual
Growth Habit: Upright to semi-upright
Preferred Soil pH: 5.0 - 7.0
Min. Germination Temp.: 50 F
Semi-upright to upright broadleaf summer annual that grows 2-5 feet tall. Has single, multibranched stems; abundant white flowers; and fibrous, dense roots.
Additional Resources
Buckwheat: Managing Cover Crops Profitably (SARE Handbook Series Book 9) by Andy Clark (2007, 3rd ed.)
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Sunflower
Scientific Name: Helianthus annuus
Life Cycle: Summer annual
Growth Habit: Upright
Preferred Soil pH: 6.0 - 7.5
Min. Germination Temp.: 50 F
This upright, broadleaf (non-legume), warm-season annual grows 2-10 feet tall. Has a taproot and rough-hairy stems. Leaves are mostly alternate, egg-shaped to triangular, and entire or toothed.
Additional Resources
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