How to Apply Prodiamine 65 WDG — Mix Rates & Drop-N-Go Packs

Prodiamine helps stop crabgrass in spring and poa annua in fall before those weeds establish. Yard Mastery sells liquid 65 WDG two ways and granular 0-0-7 if you prefer a spreader:

  1. Drop-N-Go WDG packs — pre-measured 20 g packets (no scale).
  2. Prodiamine 65 WDG 5 lb jug — weigh each dose for larger jobs.
  3. 0-0-7 Prodiamine granular — spreader, no mixing.

Get free, personalized pre-emergent recommendations inside the Yard Mastery App, based on your grass type and local soil temperature. Always read the product label. Do not apply Prodiamine if you are seeding or overseeding.

Jump to: Drop-N-Go · Jug / backpack rates · Hose-end · Granular · Videos & FAQs

Which format?

You have… Choose…
Battery/pump sprayer, typical DIY lawn Drop-N-Go packs — 1 packet + 4 gal ≈ 4,000 sq ft
Large property / bulk jug 5 lb WDG jug — weigh grams
Spreader only 0-0-7 granular — 3 lbs / 1,000 sq ft

Shop all options here: Pre-Emergents.

Drop-N-Go packs (recommended DIY liquid path)

Prodiamine 65 WDG Drop-N-Go pack minis

Each packet is 20 grams. Mix one packet into 4 gallons of water and apply over 4,000 sq ft (≈ 5 g per 1,000 sq ft; 1 gal spray mix per 1,000 sq ft).

A pouch holds 6 packets (~24,000 sq ft of single-app coverage).

Prodiamine 65 WDG Drop-N-Go pouch with six packets

Spring (split app, all grass types):

  1. Soil temps ~50–55°F → 1 packet / 4 gal / 4,000 sq ft. Water in.
  2. Soil temps ~65°F → repeat.

Fall: KBG/rye → 1 packet near ~70°F soil. Tall fescue + warm-season → 1 packet, then optional second ~30–60 days later where winter poa pressure is high.

Smaller lawns: Add 5 g in 1 gal of water and spray evenly across 1,000 sq ft. Weigh it out and save the rest of the packet for future applications.

Shop: Prodiamine WDG Herbicide Drop-N-Go Packs
How-to video: Watch Drop-N-Go mix & apply on YouTube

Jug / backpack mix rates (summary)

Carrier: mix in 1 gallon water → apply over 1,000 sq ft. Water in with ½″ within 24 hours.

Timing Rate / 1,000 sq ft Grass
Early spring ~50–55°F .183 oz / 5.2 g All listed
Mid spring ~65–70°F .183 oz / 5.2 g All listed
Fall ~70°F .46 oz / 13 g Tall fescue + warm-season
Fall .183 oz / 5.2 g KBG / rye
Yearly totals .83 oz / 23.5 g · .55 oz / 15.6 g TTF/warm · KBG/rye

Full DIY table + coverage math: How Do I Apply Prodiamine 65 WDG?
Shop jug: Prodiamine 65 WDG 5 lb
Jug spray video: Watch jug backpack spray on YouTube

Hose-end sprayers

Don't. Hose-end sprayers make exact rates almost impossible. Use a battery sprayer or quality handheld pump.

Details: Can I Apply Prodiamine WDG with a Hose-End Sprayer?

Tank-mix note (Liquid / Granular)

You can mix Prodiamine WDG with other liquid products that also need to be watered in after application. We recommend limiting your tank mixes to 2 products at a time to avoid clogging.

You can apply Prodiamine on the same day as granular products. Apply the granular product first, then spray the Prodiamine WDG, and water them in together.

Granular 0-0-7 (format alternate)

  • Rate: 3 lbs per 1,000 sq ft (18 lb ≈ 6,000 sq ft; 45 lb ≈ 15,000 sq ft)
  • Water-in: ½″ within 48 hours
  • Do not use when seeding/overseeding

Shop: 0-0-7 Prodiamine Granular

FAQs

Packs vs. jug? Same WDG idea. Packs = pre-measured ~4,000 sq ft/packet. Jug = bulk + scale. The packs are ideal for most DIY lawns.

When to apply? Split spring into two applications (~50–55°F, then ~65–70°F) + fall by grass type. Use the Yard Mastery App for your local soil temps.

Prodiamine or Dimension in the fall? If you have already reached your annual maximums for Prodiamine (KBG/rye: 15.6 g or Fescue/warm-season: 23.53 g), we then recommend switching to Dimension for your fall application. See the Dimension product page.

Ready to buy?

Shop Prodiamine 65 WDG Drop-N-Go packs or the Prodiamine 65 WDG 5 lb jug, or compare all formats in our pre-emergent herbicide collection. Then use the free Yard Mastery App to time your applications for your grass type and soil temperature.