Ask a Question forum→Emerald Green Arborvitae (Thuja occidentalis 'Smaragd') Best spray for spiders

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Palos Hills, Il 60465. (
beebear
May 23, 2020 10:09 AM CST
Trying to find best Chemical Brand in killing spray for spider nites control and other little devils. Tried several different kinds. Some help (?) a little and other were weak. Have 35 Emeralds 6ft-10ft, and had to remove 4 because the spider mites in last 3 weeks attach them. Near wood area but I keep trying to maintain last 18 yrs spraying every 4 weeks. Thank You
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Hummingbirder Birds Organic Gardener Dog Lover Cat Lover
oneeyeluke
May 23, 2020 11:42 PM CST
Spider mites thrive in hot, dry conditions. Cooler, more humid conditions slow reproductive rates considerably. You may need more water on your Emerald Green Arborvitae to help eliminate those dry conditions.
Knock Them Off With a Hose. The best way to get rid of spider mites is with a hose first.
Keep the Soil Moist.
Remove Infested Leaves and Plants.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌

kathescottag
Jul 24, 2021 12:54 PM CST
I have three Arborvitae in a row. The center tree is very infected on the back side (i.e. brown). Should I remove this tree and work on saving the remaining two which show small areas of infection? Darn, they are so beautiful. Thank you. kathescottag

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