Lupins Green Manure Seeds | Quality Seeds from Sow Seeds Ltd                          
Lupins Green Manure Seeds

Lupins Green Manure Seeds

Green Manure Seeds from Sow Seeds Ltd

Lupins are a hardy annual green manure that can be planted from March to July and are part of the legume family. They suit light sandy acid soils and are a hardworking leguminous plant that has very long tap roots that dredge up minerals. (Lupins fix 25% more free nitrogen...
£1.95
£1.95
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Lupins are a hardy annual green manure that can be planted from March to July and are part of the legume family. They suit light sandy acid soils and are a hardworking leguminous plant that has very long tap roots that dredge up minerals. (Lupins fix 25% more free nitrogen than clovers and 28% more than peas and beans). The long roots also help to break up and aerate heavier soils and allow more moisture retention with the addition of humus from the break down of the roots on light sandy soils.

Lupins produce a beautiful blue flower but it is best to dig it in and cut down before they flower to help prevent them seeding and then becoming a nuisance. The flowers are great for insects so a few could be left to flower to draw more insects into the vegetable area.

It is possible to sow Lupins as an intercrop, e.g. among long growing varieties of veg like cabbage and sprouts, where they will contribute nitrogen to the soil (once they are dug in) and help promote growth in the veg crop. Treat as a legume for crop rotation purposes so great before nitrogen hungry crops like brasssicas. Lupins can be slower to germinate than other green manures.

Lupins Green Manure Seed Information

When to Sow: March, April, May, June, July.
Growing period: 2-4 months.
Ideal Soil Type: Light Sandy Acid Soils.
Nitrogen fixer: Yes.
How to Sow: Sow 2cms deep and 8cms apart in drills that are 15cms apart - this is why they are not very good at weed suppression. They can be slow to germinate too.
Care: The green manure should be cut down before flowering when the stems are nice and soft as they decompose quicker, retain more beneficial nutrients and are easier to incorporate into the soil. They can be dug into the soil by turning over into the top 15cms or left on the top as a mulch, the worms will drag down the organic matter and help to aerate the soil.
Sow Rate: 6.25 grams per square metre.
Pack Weight / Area:
100g
16m2
250g
40m2
500g
80m2

When to Sow Lupins Green Manure Seeds

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow No Sow No Sow Yes Sow Yes Sow Yes Sow Yes Sow Yes Sow No Sow No Sow No Sow No Sow No
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