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Green Manure Sweet Blue Lupin

Starting at £3.99

    • 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.

    • Sow 250g to 300g per 50 m2 or 25kg per acre anytime between spring and autumn.

Useful Information

  • Sow 250g to 300g per 50 m2 or 25kg per acre anytime between spring and autumn.

Additional information

Size

100g | 500g | 1kg | 2kg | 5kg | 10kg | 20kg | 50kg | 100kg