How to Grow Legumes (Chickpeas & Lentils)
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Legumes (Chickpeas & Lentils)
Cicer arietinum (chickpea); Lens culinaris (lentil)
vegetableLegumes are nitrogen-fixing crops that belong to the Fabaceae family, with chickpeas and lentils being among the most widely cultivated. These cool-season annual plants produce edible seeds in pods and improve soil fertility by forming symbiotic relationships with nitrogen-fixing bacteria in their root nodules. Both are staple crops globally, rich in protein and essential nutrients.
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Example Legumes (Chickpeas & Lentils) timeline · Pittsburgh, PA (Zone 6b)
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Plant Legumes (Chickpeas & Lentils)
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 Legumes (Chickpeas & Lentils)
Around Jul 16≈ 90 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-8, with preference for cooler climates; best production in zones 4-7
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Seedling
2-3 weeksCotyledons emerge, small true leaves unfold. Plant develops primary root system.
Keep soil consistently moist but not waterlogged. Thin seedlings to proper spacing. Protect from heavy rain and crusting soil. Apply Rhizobium inoculant at seeding.
Vegetative Growth
4-6 weeksPlant develops bushy foliage with multiple branches and compound leaves. No flowers present yet.
Monitor for early pests and diseases. Avoid excessive nitrogen fertilization, which promotes foliage over flowers. Support tall varieties with staking if needed. Water deeply but less frequently to encourage deep rooting.
Flowering
3-4 weeksSmall white, pink, or purple flowers appear in leaf axils or at branch tips. Plant height stabilizes.
Maintain consistent moisture during this critical stage. Ensure adequate phosphorus and potassium. Watch for pests that target flowers (thrips, aphids). Do not apply high-nitrogen fertilizer.
Pod Development & Maturation
4-6 weeksFlowers transition to small green pods containing developing seeds. Pods mature from green to tan or brown, depending on variety.
Continue regular watering but reduce frequency as pods mature. Allow plants to dry somewhat to encourage pod ripening. Support heavy-laden branches. Watch for pod-feeding insects.
Harvest Ready
1-2 weeks before harvestPods dry, rattle when shaken (seeds inside move freely). Leaves may yellow or drop. Plants are ready for harvest.
Stop watering 1-2 weeks before harvest to speed drying. Harvest when pods are fully dry but before they shatter. For mechanical harvest, cut whole plant at base when majority of pods are dry.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with strong water stream; use insecticidal soap or neem oil. Introduce ladybugs or lacewings. Avoid high-nitrogen fertilizer.
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Monitor flowers closely; spray neem oil or pyrethrin-based insecticides. Remove heavily infested flowers.
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Harvest promptly and store seeds in cool, dry conditions. Use food-grade diatomaceous earth in storage. Freeze seeds for 7 days post-harvest.
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Ensure good air circulation; avoid overhead watering. Spray sulfur or potassium bicarbonate fungicide. Remove affected foliage.
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Practice crop rotation (3-4 year minimum). Use well-draining soil. Avoid overwatering. Use resistant varieties if available.
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Increase humidity by misting; spray neem oil or insecticidal soap. Encourage predatory mites.
Uses
Staple Protein Source
CulinaryChickpeas and lentils are among the world's most important protein-rich foods, used in curries, soups, salads, hummus, and dal. They provide complete or near-complete amino acid profiles when combined with grains. [source]
Fiber & Digestive Health
MedicinalLegumes are exceptionally high in soluble and insoluble fiber, promoting digestive health, regulating blood sugar, and supporting cardiovascular function. [source]
Soil Amendment & Nitrogen Fixation
HouseholdLegume crops improve soil fertility by fixing atmospheric nitrogen through symbiotic bacteria, reducing the need for synthetic nitrogen fertilizers and improving long-term soil health. [source]
Sprouting & Fermentation
CulinaryLegume sprouts and fermented products (tempeh, miso) increase bioavailability of nutrients and enzymes, making minerals and proteins more easily absorbed. [source]
Pollinator & Beneficial Insect Support
WildlifeLegume flowers attract bees, other pollinators, and beneficial insects, supporting biodiversity and ecosystem health in the garden. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest legumes when pods are fully dry and rattle when shaken (moisture content 10-12%). For lentils, cut or pull entire plants and hang upside down to dry further for 7-10 days. For chickpeas, either hand-pick individual pods or harvest entire plant. Thresh pods by hand, foot, or with a small grain thresher. Store cleaned, dried seeds in airtight containers in a cool, dry place (50°F or below is ideal). Properly stored legumes keep 1-3 years.
Fun Facts
- 🌱 Legumes can fix up to 200 pounds of nitrogen per acre per year through their symbiotic relationship with Rhizobium bacteria in root nodules—a process so efficient that farmers often use legume cover crops or rotation to replace synthetic fertilizers.
- 🌱 Chickpeas and lentils have been cultivated for over 10,000 years, with archaeological evidence from the Fertile Crescent; they remain foundational to cuisines in the Mediterranean, Middle East, India, and beyond.
- 🌱 A single mature chickpea or lentil plant can produce 20-50+ pods, each containing 1-3 seeds, making these crops incredibly productive for home gardeners despite their modest size.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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