Forum home Plants
This Forum will close on Wednesday 27 March, 2024. Please refer to the announcement on the Discussions page for further detail.

Whitefly on my mint plant

Hi, about a month ago i bought a mint plant from the local garden centre. Repotted into a bigger pot and has remained outside since.

I knocked it today and noticed a swarm on little white flies fly away.

From what ive read i have to get a seaweed spray and this should prevent them returning.

I also read that i could trim the plant back and let it regrow and also that the cold will kill them off.

Given the time of year is it worth trimming the plant and if its left unattended will they kill off the plant before the cold really kicks in?

Cheers

image

 

image

 

 

Posts

  • It does look like whitefly when you click on first picture on the shrub and I think I can see some more adults and young stationary scale-like nymphs on the mint. 

    I am not a believer in seaweed for effective control and would be inclined to wait for the frost to kill them. Cutting back might help but will deprive you of your mint.

    What is essential is not to take them into a greenhouse where it might infect other susceptible plants and cause problems for the future.

    The whitefly will not seriously harm your mint at this time of year. Do cut it back in a few weeks time as whitefly has been known to overwinter outside in very mild winters

Sign In or Register to comment.