Search - Sitewide

.  Flea beetle can be hard to deal with.  Pyrethrum (extracted from chrysanthemums and sometimes called 'nature's insecticide') should kill them if a 'nearly' organic control is acceptable. Try Diatomaceous Earth.  I use it to kill mites in my Hen House

, and can be picked off by hand.The moment you spot an infestation, spray them with pyrethrum. If the plants are in flower, spray in the evening, so pollinating insects aren't affected.verbascum, buddleia, figwortsmid-spring to midsummerMore advice

by the excrement of the larvae.Watch closely for early signs of damage, which usually appear in April or May. Pick off the larvae by hand and destroy them. Spray the adults and larvae with an insecticide containing pyrethrum.viburnumsApril-SeptemberOther pests

be used on houseplants and in greenhouses to attack the western flower thrips. Organic pesticide sprays are available, which are based on plant oils or pyrethrum.Ornamental plants can be sprayed with insecticides containing methiocarb or thiacloprid

and squish them. You could also spray with organic pesticides based on pyrethrum in spring and summer.Again, there's no real need to control the beetle, but you can kill them by spraying with a bug spray that contains thiacloprid.mint, pennyroyal

- how do I get them off ??? Spray ??? The easiest way is to pick them off by hand. You can spray with something like pyrethrum, but you have to actually hit the caterpillar, so you might as well just pick it off.

but that is expensive and needs to be used when you first spot the sawfly caterpillars.  Both are organic methods.  Otherwise you could check every day and pick the caterpillars off by hand, but that can be extremely painful!  Effective chemical sprays include pyrethrum

with the biological control Steinernema carpcapse.With heavy infestations, use an insecticide based on pyrethrum (only use once a season on crops).brassicas and nasturtiumsearly spring to autumnCommon problems when growing vegetables

lookout after dark. In the greenhouse or conservatory, you could use the biological control Trichogramma brassicae, which is a tiny wasp that targets caterpillar eggs.The moment you find signs of caterpillars, spray the plants with pyrethrum.just about