Botanic Garden >> Gardening > >> Question and Answer >> Lawns

Hard Dirt Mounds in Oregon: Birds/Armadillos Digging for Insects

2-inch hard mounds = birds/armadillos digging for soil insects/worms. Sandy soil = mow flat. Clay soil = hard mounds hurt feet. Check for subsurface insect activity.

Lawns: Mole Control in Lawns: Trapping Beats Gadgets; Identifying and Controlling Sticker Weeds (Sandburs) in Your Lawn; Growing Grass in a Small, Heavily Shaded Yard; Sting Nematodes in Lawns: Identification, Risk, and Biological Control; Ants in the Lawn: Why Most Are Beneficial and When to Actually Worry; Managing Puffball Mushrooms in the Lawn; Woody Growths on Lawn: Need More Info—Likely Tree Roots; Repairing Mole-Damaged Lawns: Organic Recovery Plan; Lawn Polymers: Why This Water-Retention Technology May Not Be Worth the Investment; Identifying and Organically Controlling Grubs in Your Lawn: Milky Spore and Nematodes

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