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Post by Deleted on Jan 30, 2007 12:54:47 GMT
Hi. I bought a nasturtium plant 3 years ago for a hanging basket, and they have self seeded all over the place. They look gorgeous when healthy, but mine always end up straggly and covered in black fly. I have sprayed and deadheaded constantly, but to no avail. What am I doing wrong?  |
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Post by sleepysunday on Jan 30, 2007 12:57:23 GMT
They are very much prone to blackfly and caterpillars. The former you can only spray IMO, the latter can be removed by hand.
You are not doing anything wrong. If you do spray them, make sure you get under the leaves as well as the tops.
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Post by Deleted on Jan 30, 2007 13:23:22 GMT
Hi Rosemother ... blackfly seems to be worse in certain years (weather-related). As Sleepy says, the lodge on the underside of leaves. You can often stop the problem early on by nipping off the affected leaves; otherwise, spraying with a weak solution of water and washing-up liquid helps. Cheers ...
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Post by Plocket on Jan 30, 2007 13:36:41 GMT
You aren't doing anything wrong Rosemother - they are nature's black-fly attractors. If you are growing vegetables that are prone to blackfly you are well advised to plant nasties nearby so that the blackflies go to them rather than the veggies.
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Post by fozzie on Jan 30, 2007 15:55:56 GMT
RM
your lucky at least yours grow big enough to get blackfly on them.
F
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Post by magrich on Jan 30, 2007 18:43:24 GMT
I always thought the idea of planting nasturtiums was to keep the blackfly away from my other plants !! It seems to work for me, and as long as I don't look too closely I can just admire the flowers and forget the fly.
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Post by Chuckles on Jan 30, 2007 23:30:10 GMT
I usually carefully nip off the effected leaves a soon as I see they have been nibbled, your culprits are normally under the leaves I pop them on the floor and always seem to manage to tread on them ;D any blackfly get a good squeaze too ;D
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