Carrot Root Fly

Answered by Lynn Posted in Category Pest Control & Nature

Dear Lynn

I have two 2ft x 6ft x 18" raised beds with insect mesh covers.  They contain parsnips and carrots which have reached the top of the mesh covers.  Are there any options available to me?
I want to leave the parsnips in the beds until later in the year.

When could I safely remove the insect mesh covers without the risk of carrot fly?



Dear Colin

As you are growing in raised beds at 18” high the risk of carrot root fly is lower as the carrot flies do not fly much above 50cm (19.5”) but you never know with these pesky flies.  If you want to be absolutely sure your crop is protected you could erect an Anti carrot fly screen around your raised bed or alternatively try a Carrot Root Fly Trap.  There is also a nematode option that we use at Stephanie’s Kitchen Garden called Grow Your Own Pest Control but this needs to be applied every 6 weeks.

Fingers crossed!

Lynn Burton

Horticultural Adviser/Kitchen Gardener



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