Mushroom 'Brown Cap Button' (Portabella)Agaricus bisporus

Outdoors

Mushrooms can be grown outdoors in neglected lawns and around compost heaps. They are most successful in soils that are rich in organic matter. Lift an area of turf and loosen the soil beneath, adding extra organic matter if required. Spread the mushroom compost over the soil surface and replace the turf. Turf should be kept moist though not waterlogged. When growing mushrooms outdoors, fruiting will depend entirely upon weather conditions.

Indoors

Button mushrooms can be grown in a mushroom box or bed, on compost made from well prepared horse manure. Mushroom beds and boxes can be established in cellars, sheds, or garden frames, and should be 25cm (10") deep. Tightly pack mushroom beds with prepared compost and scatter the spawn across the surface, before covering with damp newspaper. After 3 weeks, the compost will be colonised by mycelium. Remove the newspaper and cover the compost with a 2.5cm (1") layer of casing, mixed from garden soil, peat and lime. Mushrooms will begin to develop 3 to 5 weeks after adding the casing layer.

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