Vicia macrocarpa

Large-seeded vetch comes from bright, open habitats and performs best in full sun. It can withstand partial shade but prefers direct sunlight for optimal growth. This plant, which may be annual or biennial, is noted for its sun-loving habit.

Large-seeded vetch can adjust to a broad range of temperature conditions, but its distribution may still be constrained by different combinations of water and heat conditions. It performs best in warm summer climates with sufficient rainfall or irrigation. Extended periods of cloudy, rainy weather or prolonged high temperatures increase the chance of Large-seeded vetch dying. In winter, adequate protection from cold can raise the plant's survival rate.

Large-seeded vetch benefits from regular, light applications of fertilizer to encourage healthy leaf development. You should apply fertilizer to large-seeded vetch about once a month during the summer. Nitrogen is essential for foliage, and supplying nitrogen-rich sources helps large-seeded vetch prosper.