[celtbhoy]

i've got 2 small beds of carrots and parsnips, got them covered with a plastic poly tunnel should i keep it on until harvest to stop the dredded fly??
CB :?:

[WG.]

No. it'll be much too warm.  Replace with a fleece which will also let through rain.

[celtbhoy]

when would you remove the poly?

[WG.]

Now.  In fact, I'd have removed it as soon as I planted the seed.  

[celtbhoy]

ok,thanks wg