Narrowleaf trefoil (Lotus tenuis)

Narrowleaf trefoil

Also known as: Slender birdsfoot trefoil

Narrowleaf trefoil (Lotus tenuis), originally from Europe and southwest Asia, has become naturalized in many parts of America. It is a legume which is cultivated as a forage crop for horses and cattle. It is also used as a cover crop in orchards and vineyards. As it tolerates poor, saline, and waterlogged soil, it is useful for low-potential areas.

Scientific classification

Species

Narrowleaf trefoil (Lotus tenuis)

Legumes, milkworts and allies

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Perennial

Lifespan

1 m

Spread

8 mm to 1.3 cm

Flower Size

Yellow

Flower Color

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Narrowleaf trefoil

Distribution of Narrowleaf trefoil

Distribution Map

Narrowleaf trefoil, a plant species native to a wide swath of Eurasia and Northern Africa, has established itself in regions spanning multiple continents. Its introduced range includes parts of Southern America, Northern Europe, Eastern Asia, and Oceania. This testament to its adaptability is manifested through its successful colonization in temperate and subtropical locales alike.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Saline, poorly drained grasslands of lake or swamp shores

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Narrowleaf trefoil

Every week

Water

Partial sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: Narrowleaf trefoil thrives in wetlands and floodplains, requiring consistent moisture but tolerating brief dry spells. Watering once a week is optimal to avoid over-saturation. Its natural outdoor habitat provides essential hydration, especially during the active growing season when water demand increases.

Fertilize: For narrowleaf trefoil, use high-nitrogen fertilizer bi-monthly in the growing season, adjusting for size and soil fertility. Water narrowleaf trefoil before and after fertilizing to enhance nutrient absorption and prevent root burn. Reduce fertilization in colder months to avoid harm from over-fertilization.

Pruning: Narrowleaf trefoil features slender leaves and yellow flower clusters, benefiting from early to late spring pruning. Remove spent flowers and overcrowded stems to boost growth andair circulation. Use clean tools and follow with balanced fertilization for enhanced vigor and fullness.

Propagation: Narrowleaf trefoil is a perennial legume valued for its nitrogen-fixing properties. Propagate by taking healthy non-woody cuttings with at least one node. Use well-draining soil and maintain consistent moisture. After rooting, plant in a sunny spot with moderate watering.

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