Blue Lupin Lupinus Angustifolius Green Manure Seeds


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Lupinus Angustifolius is an easily grown plant, it succeeds in any moderately good soil. Requires a sunny position. Prefers a light acid soil but tolerates adverse conditions. Dislikes limey soils. Sometimes cultivated for its edible seeds, there are some named varieties that are low in the bitter toxic alkaloids. 'Uniwhite' is a low-alkaloid variety with a permeable seed coat. It has reduced pod-shattering and so is easier to harvest mechanically. The blue lupin is a good companion plant for most vegetables.

This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby. When removing plant remains at the end of the growing season, it is best to only remove the aerial parts of the plant, leaving the roots in the ground to decay and release their nitrogen.

Sown from March to June this deep rooting manure provides excellent nitrogen fixation. Most effective on light acidic soils. Sow at 25Kg/acre (6.25 grams per sq. m.). Turn in before flowering.

Pretty Wild Seeds are registered with the Department for Environment, Food & Rural Affairs (DEFRA) under number 7529, so you can have confidence in both our products and advice. Although our products are listed in weights and acres, we can supply in additional quantities upon enquiry so if you need a larger supply, please don't hesitate to give us a call.

  • 100g for £3.45
  • 250g for £4.50
  • 500g for £6.75
  • 1Kg for £8.99
  • 2Kg for £13.65
  • 5Kg for £19.99
  • 10Kg for £31.99
  • 50kg for £99.99
  • 100kg for £189.00
  • Quantities from: £3.45




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    The Blue Lupin Lupinus Angustifolius Green Manure Seeds is shown in Fertiliser, Moss & Weed Killer > Green Manure Seeds.

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    We happily accept returns within 14 days from date of delivery. All returns must be received in the same condition and packaging we sent them. Postage charges will not be refunded on unwanted products.

    You are solely responsible for ensuring the goods are returned to us. We will not be liable for returns that are lost in the post or lost for any other reason. If a product arrives damaged we will advise the customer how to return the item with all return costs covered by us.  Replacements & refunds will be dispatched / issued on receipt of the returned items only.

    Germination; Sow directly. Broadcast sow onto prepared soil cover with 5mm soil approx. Germination is rapid. The plant will grow quickly once germinated. Grow on. Dig in the crop before it flowers and when it is fresh and green. Leave area for about a month to allow the plants to break down into rich organic matter.

    Growing; Easy to grow, requires little attention.

    Cultivation; When the plant is well grown and still fresh dig up/ dig in. Allow the plant to breakdown in the soil producing a rich organic matter. The nutrients will be released slowly over a period of time.