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Sign up freeVicia villosa
Top winter cover crop in NA. Extremely cold-tolerant. Sow late summer or early autumn. Fixes large quantities of nitrogen by spring.
Trifolium alexandrinum
flowerA fellow Fabaceae — similar growing habits to Hairy Vetch

Onobrychis viciifolia
flowerAttracts the same ladybugs as Hairy Vetch, keeping pests in check
Direct-sow Hairy Vetch outdoors about 8 weeks after your last frost, keeping seeds in cooler soil (around 10–18 °C). Seeds usually come up in around 14 days. Grow in full sun, spaced about 10 cm apart. Expect the first blooms in roughly 240 days.
Keep track of the seeds you own.
Water: Low · Height: 100 cm · Soil: Well-draining, adaptable — winter-hardy
Aphididae
Curled leaves, sticky honeydew and ants on patrol — usually with something already eating them.
These three thrive alongside Hairy Vetch — and alongside each other.