plant problem rusty spots.

Hello,

I am Hendrik and this is my first post on this forum.
I have a couple of White Widows but they have some kind of rusty spots on them.
They also havo some black spots on the bottom of the leaves.
I have been searching for a few days but couldn't find anything.
The plants are outside when the weather is good and at night they go inside.
I hope you guys can help me out.

That definitely looks like spider mites. Get a good foliar spray and wash them off. But wait to get a couple more opinions.

mathew pixley said:

That definitely looks like spider mites. Get a good foliar spray and wash them off. But wait to get a couple more opinions.

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I agree. Hit em hard and hit em now to get rid of the bastards. I have used organocide successfully, a buddy loved mighty wash, and of course there is neem oil.

Also, invest in a cheap magnifying loupe on ebay. 30X works good for identifying invaders.

Thanks all for the reply,

I will hit them with water and will look if they have something for it in the garden centre.
Also I will go to ebay and buy one of those things.
Thanks again for your help.

Neem oil works well for mites and it's organic. Dyna grow has a concentrated neem product that is quite cheap. Clean your indoor room thoroughly and keep indoor and outdoor gardens separate. By moving them in and out you spread pests.