Asking for a friend- they have a greenhouse, about six months old. Is now full of aphids! How to get rid of? Sprays? Thanks.
wasgonna,
May 8, 12:49am
Kiwicare Organic Spraying Oil. Best I've ever used for aphids.
twain1,
May 8, 2:39pm
Yellow plastic aphid traps help a lot, you can probably buy them in garden centres on trade me or make your own, bright yellow plastic which attracts them and oil smeared which catches them and they stick to it
samanya,
Jan 14, 4:42am
I bought a few of these at the beginning of spring & they didn't work for me. My old plastic/poly green house was way better re aphids/whitefly than my new polycarb number & I wonder if it was to do do with airflow . the old one let the wind through it, unintentionally & the new one is wind tight, when I want it to be.
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