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Sickle Alfalfa

Medicago falcata

Also listed as Medica falcata

Also known as Sickle Medick

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 8b

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A hardy legume with yellow flowers and distinctive sickle-shaped seed pods, commonly used as a forage crop and nitrogen-fixing cover plant. Extremely drought-tolerant once established and valuable for improving soil in arid regions.

Why grow it

Sickle alfalfa is notably more drought-tolerant than common alfalfa (Medicago sativa) once established, making it better suited to semi-arid and arid climates where conventional alfalfa struggles. Like other legumes, it fixes atmospheric nitrogen and builds soil fertility, but its hardiness in marginal conditions and lower water requirements distinguish it from improved alfalfa varieties. It performs well as a cover crop, pasture plant, or soil amendment in regions with limited irrigation or seasonal dry periods.

Watch out for

Sickle alfalfa can be slow to establish from seed and may take two growing seasons to reach productive vigor. In cooler climates, germination and early growth may be inconsistent, so site selection and adequate moisture during establishment improve outcomes. Stands can thin over time in poorly drained soils, and the plant responds poorly to waterlogged conditions despite its drought tolerance.

Overview

Form
Upright
Growth Rate
moderate
Size
1–2.5′ tall × 1–2′ wide
Dormancy
deciduous
Family
Fabaceae
Biomass and mulchDynamic accumulatorErosion controlPollinators & beneficial insects

Native Range

Central Asia, Mediterranean

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummer

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Companion Planting

Plants well with