Avatar for Amyhibiscus
May 10, 2020 10:22 AM CST
Thread OP
please help my Hibiscus or should I put it down. See pics. Last year treated it for mealy bugs and black carpenter bees. Im thinking its just unwell and will keep getting disease. Weird knots on trunks.
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Avatar for oneeyeluke
May 11, 2020 4:41 AM CST
Name: one-eye-luke US.Vet.
Texas (Zone 8a)
Quitter's never Win
Birds Cat Lover Dog Lover Hummingbirder Organic Gardener
Your Hibiscus has Dieback Disease. The causes of dieback include environmental stresses such as winter injury, drought, and salt damage, wood-boring insects, vascular wilt diseases, and herbicide injury. Soil compaction, excavation that damages the roots, vole damage to roots and root disease can also result in dieback of branches or entire plants.
Start by removing the mulch, aerate the soil well with a hand cultivator and keep the soil loose under the canopy. Everytime it rains or you water, return and aerate the soil 2 inches deep.

What you can do to the tree is cut all the dead wood off and prune any wood that's rubbing limb on limb. Keep all the leaf litter picked up. Just changing the soil and removing dead growth will give the tree chance.
NOT A EXPERT! Just a grow worm! I never met a plant I didn’t love.✌
Last edited by oneeyeluke May 11, 2020 4:43 AM Icon for preview
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