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Alfalfa Seeds - Green Manure

Botanical - Medicago sativa


50g (covers 20m²) at 2.5g per m²
Usually despatched within 24 hours
See "Delivery Charge" tab below
Current Stock:
Out of stock
Price £1.84

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Sorry but this item is currently unavailable.

Please check back at a later stage.

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50gm covers 20 square metres (approx 24000 seeds)

Other Names - Lucerne…

Alfalfa belongs to the pea family and if left to flower produces attractive deep purple coloured flowers. When grown as a green manure, for best results the plants should be cut down before flowering. Under the correct conditions alfalfa can fix nitrogen from the air in nodules found in their roots.

  • Deep rooting, bringing valuable trace elements up to the surface.
  • Can be left to cover bare areas over the winter months.
  • Grows well in dry conditions.

Suitable For - Green manure in vegetable and fruit gardens, animal fodder, mulch

Sowing Months - April - July

Flowering Months - N/A

Growing Period - 8 - 12 weeks, longer if grown over the winter months

Soil Preperation

The seedbed should be firm with just enough loose soil on the surface to cover the seeds.

General Information
Habit Perennial Type Legume
Height 80 - 100 cm Hardiness Hardy
Position Full sun, partial shade Soil Ph Neutral to alkaline, dislikes acid soils
Soil Type Well drained soil Coverage 2.5g per 1 metre square
Distance Between Plants Scatter evenly Depth 0.5 - 1 cm
RHS Bee Friendly No RHS Award Winner No

Sowing Guide

Scatter the seeds as evenly as possible on the surface of the prepared seed bed.
Lightly rake the surface to cover the seeds.
Pat down the area with the back of a spade or if preferred use a roller.
Water the newly sown seeds well.

Growing On

Water the young seedlings well until established.
Established alfalfa can tolerate dry conditions.

Digging In

Cut and dig in the plants anytime before flowering. The plants should be green and fresh looking.
Cut with a garden spade, sheers or if the area is large, cut the plants with a strimmer.
Leave on the surface to wilt for a few days. After this time, dig into the soil using a sharp spade or rotovator to around 20 - 25 cm deep.
Leave the green manure to decompose in the soil for at least 4 - 5 weeks before growing any vegetables in the soil.


If some alfalfa plants are left to flower, they will attract butterflies, bees and other beneficial insects into the garden.

Delivery Information

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(Including Northern Ireland, the Highlands & Islands, Scilly Isles, Channel Isles and the Isle of Man). Delivery charges to these areas are the same as UK mainland stated below (with no additional surcharge). Delivery however may take longer than the times stated due to weather, distance etc.)

FREE DELIVERY on all orders over £9.98

When applicable, free 2nd class delivery will be automatically calculated at checkout.

STANDARD DELIVERY - Royal Mail 2nd Class (3 - 5 working days) - £0.95

For orders under £9.98, the "Standard Delivery" charge will be added automatically at checkout.

FAST DELIVERY - Royal Mail 1st Class (1 - 2 working days) - £1.52

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Faulty Goods.

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