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White Sweetclover

Melilotus albus

Also listed as Melilotus leucanthus, Sertula alba

Also known as White Melilot, Bokhara Clover, Sweetclover

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 3a – Zone 9b

Climate Match for your location

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White Sweetclover is a tall, fast-growing biennial or short-lived perennial with fragrant white flower spikes that attract pollinators. It is drought-tolerant and often used for cover cropping and soil improvement.

Why grow it

White Sweetclover establishes quickly on marginal or degraded soils where many legumes struggle, making it useful for rapid biomass production and nitrogen fixation in cover crop rotations. Its deep taproot can break compacted soil layers more effectively than shallow-rooted alternatives. Compared to yellow sweetclover (Melilotus officinalis), the white variety tends to be slightly less persistent, which may be advantageous in systems where you want temporary soil improvement without long-term management.

Watch out for

Because sweetclover germinates readily from seed and persists in soil seed banks, volunteer plants may appear in subsequent seasons and can require repeated removal if not desired. The plant's prolific self-seeding means intentional cultivation should be followed by either mechanical termination or close monitoring to prevent unplanned spread into adjacent plantings.

Overview

Form
Upright
Growth Rate
fast
Size
2–5′ tall × 1–2′ wide
Dormancy
deciduous
Family
Fabaceae
EdibleDynamic accumulatorBiomass and mulchErosion controlPollinators & beneficial insects

Native Range

Mediterranean

Seasonality

Bloom Season

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

Season of Interest

Summer

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Companion Planting

Plants well with