2026 06 13 Dirt Doctor Howard Garrett Podcast
The June13, 2026, Dirt Doctor Podcast with Howard Garrett answers questions sent in by podcast listeners and web site readers to the Dirt Doctor site's "Ask Howard" feature. Queries this week on many subjects including what to do about caterpillars and worms, is wood mulch safe, fireblight, grass burs, photinia diseases, and how to use corn meal. Show Notes: SPCA dogs EFI Newsletter Cheat Sheet Comfrey Fireblight Worms (caterpillars) Spinosad Pipevine Swallowtail caterpillars Other worms (planarian) BioWash Purely Green Tomato diseases Fleas Beneficial nematodes Oranges Mosquito program traps Spraying for chiggers Liquid Cedar Wood mulch disease spread New Red oak - watering Beech tree grow in North Texas Ornamental tree - Flamethrower Redbud Corn Gluten meal Grass burs Poor unhealthy soil Japanese beetles Photinia and Sick tree treatment Tools - Hori Hori knife
