You can cover with horticultural mesh to keep carrot fly
Also, mix parsley seed with carrot seed when sowing to help repel carrot fly
, and let it run to seed to attract aphid-munching hoverflies.
BASF have also developed an all-round treatment aimed at fruit and veg growers that tackle the underground larval stage of pests including carrot fly
, sciarid fly, cabbage root fly, sawflies, onion flies and codling moths.
If left lying about, their scent will attract carrot fly
Growing onions, garlic or leeks alongside carrots helps deter carrot fly
Simply sow seeds in a pot filled with compost and cover with fleece to prevent carrot fly
Bar Manager Brandon Brough shakes up the house special Superfly Cocktail mixed with vodka, Domaine de Canton, lemon juice, thyme, and Carrot Fly
(see page 58 for Alex Figura's yogurt-centric recipe).
If you put your pots up high this also protects against the invasion of carrot fly
Take precautions against carrot fly
and cabbage root fly.
Note: onions repel the carrot fly
, so planting at least a few onions among the carrots is a good idea.
Early sowing in March or early April can sometimes avoid carrot fly
but this depends how mild a season it is.
A well-known example is the combination of carrots and onions, in which they protect each other from onion maggot and carrot fly