When should I apply Prodiamine pre-emergent?

Spring: Apply before soil temperatures reach 55°F for three consecutive days to prevent crabgrass and summer weeds.Fall: Apply before soil cools below 70°F to block poa annua and winter weeds.

Prodiamine Pre-Emergent | Long-Lasting Weed Prevention

Prodiamine Pre-Emergent: Season-Long Weed Prevention

Stop weeds before they sprout with Prodiamine pre-emergent, a trusted herbicide for preventing crabgrass and other invasive weeds in lawns, sports fields, and landscapes. Whether you're applying pre-emergent Prodiamine in spring or fall, this long-lasting formula creates a protective barrier in the soil, stopping weeds before they germinate.

Why Use Prodiamine Pre-Emergent?

Season-long control of crabgrass, poa annua, and other grassy weeds.
Safe for most warm- and cool-season grasses when applied correctly.
Flexible application timing—use in early spring or fall for maximum effectiveness.

When to Apply Pre-Emergent Prodiamine

Spring (Before soil reaches 55°F for three consecutive days) – Stops crabgrass, foxtail, and summer weeds before they emerge.
Fall (Before soil cools below 70°F) – Prevents poa annua and winter annual weeds.

How Prodiamine Crabgrass Pre-Emergent Works

Once applied, Prodiamine pre-emergent herbicide binds to the soil and blocks weed seed germination, keeping your lawn weed-free without harming established turf. Water it in within 48 hours to activate the barrier.

Protect Your Lawn with Prodiamine Pre-Emergent

Prevent crabgrass and seasonal weeds before they start! Shop our Prodiamine pre-emergent herbicide options today for professional-grade weed control.

Prodiamine Pre-Emergent

Frequently Asked Questions

Prodiamine is a pre-emergent herbicide that prevents weed seeds from germinating by creating a barrier in the soil. It stops crabgrass, poa annua, and other grassy weeds before they emerge, keeping your lawn weed-free.

Spring: Apply before soil temperatures reach 55°F for three consecutive days to prevent crabgrass and summer weeds.
Fall: Apply before soil cools below 70°F to block poa annua and winter weeds.

No. Pre-emergents only prevent new weeds from growing. If weeds have already sprouted, you’ll need a post-emergent herbicide.

Prodiamine provides 8–12 weeks of weed prevention. For season-long control, a second application may be necessary in late spring or early summer.

No. Prodiamine will prevent all seeds from germinating, including grass seed. Wait at least 8 weeks after seeding before applying pre-emergent.

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