How to Grow Birdsfoot Deervetch
Birdsfoot Deervetch
Ornithopus perpusillus
herbBirdsfoot deervetch is a low-growing, annual or winter annual legume native to the Mediterranean region, characterized by delicate compound leaves and distinctive small yellow flowers arranged in clusters. The plant produces unique seedpods that resemble a bird's foot, which gives it its common name. It is commonly used as a cover crop, green manure, and forage plant for livestock.
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Example Birdsfoot Deervetch timeline · Pittsburgh, PA (Zone 6b)
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Plant Birdsfoot Deervetch
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Birdsfoot Deervetch
Around Jul 16≈ 90 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5b-9b; performs best in cooler to moderate climates
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Germination & Seedling
2-3 weeksSeeds germinate within 7-14 days in cool conditions. Seedlings develop fine, feathery compound leaves typical of legumes. Plant is very small and delicate at this stage.
Keep soil consistently moist but not waterlogged during germination. Protect from heavy rains and foot traffic. Thin seedlings if direct seeded to avoid overcrowding. Maintain moderate temperatures (55-70°F ideal).
Vegetative Growth
4-6 weeksPlant develops multiple stems and increasingly complex compound leaves. Growth is low and spreading, typically remaining under 12 inches tall. Foliage becomes denser and more robust.
Water moderately as needed. Light weeding to reduce competition. Avoid excess nitrogen fertilization which can delay flowering. Monitor for early pest activity. This stage is ideal for grazing if using as livestock forage.
Flowering
3-4 weeksSmall, delicate yellow flowers appear in distinctive clusters held above the foliage. Flowers are typically 0.2-0.3 inches across and arranged in umbel-like inflorescences. Plant remains low-growing during this stage.
Reduce watering slightly to encourage seed set over vegetative growth. Avoid pesticide applications that kill pollinators. Allow bees and other insects to pollinate flowers freely. Light feeding with phosphorus may enhance flowering if soil is very poor.
Fruiting & Seed Development
4-5 weeksCharacteristic bird's-foot-shaped seedpods develop from the flower clusters, with 2-8 segments radiating from a central point. Pods are initially green and contain small seeds. Pods mature to brown as seeds dry.
Minimize watering to encourage pod maturation and seed hardening. Allow seeds to fully mature on the plant if harvesting for seed. Do not apply herbicides during this stage. Protect from birds if seed loss is a concern.
Maturity & Harvest-Ready
Varies; 2-3 weeks for full drying after pod maturationSeedpods turn brown and dry, and seeds rattle inside pods when fully mature. Plant may begin to dry down and lose some lower leaves. The distinctive bird's-foot pod structure is fully visible and hard.
Harvest pods when fully brown and dry if collecting seed. For cover crop use, allow plants to fully mature before incorporation into soil. Cut plant at soil level or allow it to naturally decompose. Seeds are ready for collection or storage.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Generally minor damage; beneficial insects usually control populations. Remove affected leaves if severe. No pesticide needed in most cases.
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Spray with water to dislodge; encourage natural predators like ladybugs and lacewings. Use insecticidal soap if infestation is severe, though rare.
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Increase humidity if indoors; spray with water. Encourage predatory mites. Minor pest in most growing conditions.
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Remove by hand, especially at night. Create barriers with diatomaceous earth or copper tape. Beer traps can be effective.
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Netting if seed production is critical. Scare tactics have limited effectiveness. Timing harvest before peak bird activity helps.
Uses
Cover Crop & Green Manure
HouseholdBirdsfoot deervetch is widely used as a cover crop to improve soil health, prevent erosion, and fix atmospheric nitrogen in the soil due to its symbiotic relationship with nitrogen-fixing bacteria. It suppresses weeds, builds organic matter, and can be incorporated into soil to provide nutrients for subsequent crops. [source]
Livestock Forage
CulinaryThe plant is palatable and nutritious forage for sheep, goats, cattle, and horses, particularly valuable at the flowering stage. It is often used in pasture mixes and cut for hay, providing protein-rich feed for grazing animals. [source]
Pollinator Support
WildlifeThe abundant small flowers provide nectar and pollen for bees, butterflies, and other beneficial insects, making it valuable in pollinator-friendly plantings and conservation areas. Its extended flowering period supports insect populations throughout the growing season. [source]
Erosion Control
HouseholdThe low-growing, spreading nature and dense root system make birdsfoot deervetch effective for preventing soil erosion on slopes and in disturbed areas. It stabilizes soil while building fertility. [source]
Traditional Herbal Use
MedicinalHistorically used in traditional medicine, particularly in Mediterranean folk remedies. The plant contains bioactive compounds studied for potential health properties, though use is not common in modern herbalism. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
For seed harvest: Allow pods to fully brown and dry on the plant (typically by late summer). Cut the entire plant at soil level and dry further in bundles for 1-2 weeks, then thresh to extract seeds. Store dry seeds in cool, dry conditions. For forage/grazing: Harvest at early bloom stage for maximum nutritional value and palatability. Can be grazed multiple times in a season as plants regrow from cut stems. For cover crop: Incorporate into soil in fall or spring when pods are mature. Seeds will naturally reseed in subsequent seasons if allowed to fully mature.
Fun Facts
- 🌱 The name 'birdsfoot' comes from the distinctive seedpods that radiate from a central point like toes on a bird's foot—a unique characteristic that makes the plant easily identifiable.
- 🌱 Birdsfoot deervetch fixes nitrogen in the soil through a symbiotic relationship with Rhizobium bacteria, allowing it to thrive in poor soils and improve soil fertility for subsequent crops without chemical fertilizers.
- 🌱 The plant is native to the Mediterranean region and has been used for centuries in Europe as a forage crop and soil improvement plant, predating modern agricultural cover crop practices by hundreds of years.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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