David Hare-Scott wrote:
songbird wrote:
Roy wrote:
...
Derris dust will control those cabbage moths...why don't you use it?

doesn't meet my requirements.

Bt doesn't either.

Why?

dislike poisons in general. don't trust that
this one only affects the bug in question. don't
like repeated applications as that is expensive
and also can breed resistance.

if there is resistance i'd have to continue to
monitor and hand pick along with the repeated
spraying -- just doesn't seem to gain much in
the end. i don't mind hand-picking, just that
i ignored them for a while (we had regulr rains
for the past six weeks) as they were growing
well and i had other things to do. when watering
yesterday i noticed they were being chewed on...

now that i know i have to include it in the
daily routine we'll see how it goes.


songbird