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Broad bean

Broad beans; there are two types: those that turn brown after cooking and those that remain pale green. The latter variety tastes less bitter than the former.

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recognize flowers of broad bean
Flowering broad bean, photo: Karuojisan - CC BY-SA 3.0

Broad bean – (Vicia faba). Sow from March to May in open ground in the final spot, or in late January, early February under glass. In March, the young plants can be planted in open ground.
Timely cutting away (topping) the upper parts of fast-growing plants will prevent invasion by Black Cherry Aphids. Aphids on the plants can also be sprayed away with a hard jet of water. Remove some leaves if those leaves keep the pods out of the sun, or they will not ripen. Broad beans can be harvested in June and July. Don’t wait too long to do this; the flavor deteriorates badly if the beans have hung on the plant too long. The pods are then inedible and can go on the compost heap.

Bugs

Feeds of Pea leaf weevil, photo: Rasbak – CC BY-SA 3.0

Feeds on roots and leaf margins (half-moons): Pea leaf weevil (Sitona lineatus).

Black Cherry Aphids on broad bean, photo: Rasbak – CC BY-SA 3.0

Deformed leaves: aphid, black bean aphid (Aphis fabae).

Broad bean does not grow, root system shows many small root nodules (galls): northern root-knot nematode (Meloidogyne hapla).

Fungi & diseases

Leaf and pod spot, photo: Rasbak – CC BY-SA 3.0

Large, gray spots surrounded by rings on leaves or dark spots on stem of seedling: Leaf and pod spot (broad bean) (Didymella fabae and also Cercospora zonata ).

Chocolate spot disease, photo: Rasbak – CC BY-SA 3.0

Chocolate brown spots develop on the top of the leaves; chocolate brown stripes develop on the stems, pods and flowers: Chocolate spot disease (broad bean).

Fusarium foot rot(Fusarium) on broad beans, photo Jerzy Opiola – CC BY-SA 4.0

Wet, rotten spots at the base of the stem: Fusarium foot rot (Fusarium solani).

Pods curl, tops turn yellow: Bean leafroll virus (BLRV).

Other

Seeds are dug up: birds, mice.

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