Excessive misting created a humid microclimate perfect for fungus. The white, cornmeal‑like spots are fungal spores.
Spray affected leaves with plain Lysol disinfectant spray every day until the fungus disappears and doesn't return. Lysol kills fungal spores on contact.
With daily Lysol and drier conditions, the Hoya should recover fully.
Reviving a Declining Hoya: Root Rot Rescue and Propagation
Hoya (Wax Plant) Yellow Leaves & Propagation
Hoya Tricolor Care: Watering, Light, and Fertilizing Tips
Hoya Sport: Albino Mutation Is a Natural "Sport"
Identifying Lipstick Plant (Aeschynanthus 'Mona Lisa') vs. Hoya
Emergency Peony Transplant in Mid-April: What to Expect
Datura Bud Drop: Identifying and Treating Spider Mite Damage
Snake Plant Round Beige Spots: Scale Insects
Why High Nitrogen Fertilizer Prevents Rope Plant (Hoya) Blooms
Pruning a Tall Rubber Tree (Ficus elastica): Timing and Regrowth Tips
Reviving a Defoliated Fiddle Leaf Fig (Ficus lyrata) After Neglect
Hoya Aphid Infestation: Prune & Spray for Control
Getting Your Hoya (Wax Plant) to Bloom Again
Hindu Rope Plant (Hoya carnosa 'Compacta'): Twisted Succulent Vine with Waxy Stars
Copyright © www.100flowers.win Botanic Garden All Rights Reserved