How can I grow an early crop of French Beans in greenhouse?
Posted by Dobies Staff on 14 November 2014 10:31 am

Both Dwarf and Climbing French Beans can be grown to maturity in a greenhouse if a minimum night temperature of 16-18ºC (60-65ºF) is available. Sowings can be made in January if light conditions are good otherwise defer sowing to February.

A minimum day temperature of 16ºC (60ºF) is necessary although as high as 24ºC (75ºF) is preferable. Temperatures in excess of 30ºC (85ºF) are likely to result in the flowers aborting. Under greenhouse conditions Climbing French Beans can be very vigorous and a proportion of the older mature leaves should be removed to allow penetration of light, which will also improve air movement around the plants, reducing the risk of attack by the fungal disease Botrytis. The crop grows well in growbags which tend to provide a warmer environment for the root system. Under good conditions harvesting will commence 8-12 weeks from sowing.

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