Stopping weeds before they start is the secret to a low-maintenance garden. is a pre-emergent herbicide that creates a soil barrier to block seeds from germinating.
You must remove existing weeds first; Preen only prevents new growth, it doesn't kill what's already there.
Here are three ways to post about buying and using Preen effectively: Option 1: The "Life Saver" (Social Media Focus)
Sprinkle granules evenly around established plants (at least 2–3 inches tall) and water immediately to activate the barrier.