Deer munch on hosta leaves, leaving ragged edges and messes like droppings and hoofprints; protect hostas with netting, fencing, or repellents.
Deer Accessing Hostas
Voles and mice damage hosta roots, causing yellowing and wilting; protect plants by keeping the garden clean, using gravel
Rodents Eating Hostas’ Roots
Cutworms eat various hosta parts, while black vine weevil larvae damage roots; manually remove cutworms
Cutworms and Black Vine Weevils
Grasshoppers and blister beetles feed on hosta leaves; control them by removing beetles manually and using insecticidal
Blister Beetles and Grasshoppers
Fusarium hostae fungus causes black, decaying roots and yellowing leaves; prevent by avoiding plant wounds
Fusarium Root and Crown Rot
Rabbits nibble on hosta leaves and roots, leaving missing leaf tips and droppings; use rabbit repellents like onions and garlic or secure the garden.
Rabbits Feeding on Hostas
These pests thrive in moist, shady conditions, causing holes in leaves; reduce their numbers by keeping the garden clean and watering in the morning.
Slugs and Snails
Foliar and root-knot nematodes attack hostas, causing leaf discoloration and stunted growth; prevent by avoiding overhead watering
Nematodes
Caused by Colletotrichum fungus, this disease leads to tattered leaves and spots; keep plants dry, remove infected leaves, and use fungicides.
Anthracnose
Sclerotium rolfsii fungus causes yellowing and wilting leaves; remove infected plants and use soil solarization to kill the pathogen.
Petiole Blight