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Sow Seed orders are usually despatched within 1-2 working days.
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Please email us with any questions you have about our seeds or help with placing an order. |
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Green Manure Seeds - Lupins (Blue) |
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Blue 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.
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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.
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| Cultivation Requirements |
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Sow Dates:
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March - July |
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Growing Period:
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2-4 months
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Soil Type:
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Nitrogen Fixer
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| 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. |
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| Qualities: |
Very good at bringing nitrogen from the subsoil to the top soil, good at adding organic matter, good for soil conditioner for light sandy soil. |
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Area Covered:
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Items in Trug:
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Value (exc P&P):
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| The choice can seem bewildering but with the help of our guide, the options will become easier.
If it still seems like hard work try our Spring, General or Winter Mix depending on the season as these provide the ideal ingredients to suit most situations.
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View our great value selection packs and seed gift boxes.
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Find out which seeds you could be sowing this month. |
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