Grasspea (Lathyrus sativus), also known as chickling pea, white pea, or Indian pea, is an annual legume plant prized for its resilience and adaptability. Cultivated for centuries across Asia, Africa, and Southern Europe, this hardy plant thrives in challenging climates, providing a reliable source of protein-rich seeds and forage in regions prone to drought and poor soil conditions.
Grasspea is believed to have originated in the Mediterranean region and Western Asia. It has been cultivated since ancient times for its ability to grow in arid conditions and its high nutritional value. Historically, grasspea played a crucial role as a survival crop during famines or prolonged droughts, particularly in regions with marginal agricultural lands. Today, it remains an essential legume for subsistence farming in many parts of the world, while also gaining recognition as a sustainable crop in modern agriculture.
Grasspea is a hardy, drought-tolerant legume that thrives in a variety of environmental conditions.
Plant: Erect or sprawling growth habit, typically 30-60 cm (12-24 inches) tall.
Leaves: Pinnately compound, with paired leaflets and a terminal tendril, which aids in climbing.
Flowers: Small, pea-like, and typically blue or lavender, though white flowers are also common in some varieties.
Pods: Flattened, oblong pods, containing 3-5 seeds.
Seeds: Small, round to slightly angular, with a smooth surface, ranging in color from cream to light brown.
Sowing: Sow seeds directly outdoors in early spring or late fall in regions with mild winters. Plant seeds 2–3 cm (1 inch) deep and space them 10–15 cm (4–6 inches) apart in rows spaced 30–45 cm (12–18 inches) apart.
Soil: Prefers well-draining, moderately fertile soil with a slightly acidic to neutral pH (6.0–7.5). Grasspea is tolerant of poor soils and can grow in sandy or clay conditions, making it suitable for marginal land.
Watering: Water moderately to establish seedlings, but avoid overwatering. Grasspea is drought-tolerant once established and can thrive in dry conditions with minimal irrigation.
Care: Plant in full sun for optimal growth. Grasspea requires minimal fertilization due to its nitrogen-fixing ability but may benefit from a light application of phosphorus and potassium. Keep weeds under control to reduce competition during the early growth stages.
Harvesting: Seeds are ready for harvest approximately 100–120 days after sowing, depending on growing conditions. Allow pods to dry on the plant before harvesting. Collect seeds and store them in a cool, dry place.
Note: While Grasspea is valued for its nutritional content, it should be consumed in moderation as its seeds contain a neurotoxin (ODAP) that can cause lathyrism if consumed in large quantities over time. Proper care ensures a resilient and productive crop suitable for diverse uses, including human consumption, animal feed, or green manure.
Grasspea seeds are valued for their high protein content and versatility in cooking.
The seeds can be ground into flour to make flatbreads, pancakes, or porridge. They are also used whole in soups, stews, and salads, providing a nutty flavor and firm texture. In regions like India and Ethiopia, grasspea flour is a key ingredient in traditional dishes. However, seeds should be soaked and cooked thoroughly to reduce the presence of neurotoxic compounds, which can be harmful if consumed in large quantities.
Grasspea is not only a food crop but also an excellent forage for livestock. Its ability to fix nitrogen in the soil enhances soil fertility, making it a beneficial crop in rotation systems. The plant’s resilience to extreme weather conditions makes it a reliable option for maintaining agricultural productivity in marginal lands.