Dunking potted plants in water to eradcate pests.

  Aitchbee 18:37 18 May 2018
Locked

Calling all gardeners; if I submerge my dried-up potted plants [20 litre capacity max] into large barrels of fresh water [80 litre capacity] for a coupla days will it kill off any vine weevil grubs etc. present, due to lack of oxygen?. I'll be potting 'em up into larger pots anyway. up to now, I usually pick 'em out by hand and [white grubs] feed them to the birds.

  wee eddie 19:30 18 May 2018

If the plants aren't dead already, you'll probably drown them.

The Vine Weevils will survive

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