Zamzows DefendZ

Important Application Information for Zamzows Defend Z. Crabgrass, goosegrass, and weed preventer.

Application Information

Mow First

Mow your lawn before applying lawn products.

Spreader Settings

Scotts Broadcast Spreaders - 2.75

Scotts Drop Spreaders - 3.5

Water After

Water for 15-30 minutes after application.

Identifying crabgrass and goosegrass


Crabgrass seed germinates in early to mid-spring. It can be identified by its red stems close to the soil. You can prevent crabgrass by applying Zamzows DefendZ Crabgrass Preventer in March.


Goosegrass germinates in late spring. It can be distinguished from crabgrass by the lack of red stems. Prevent goosegrass by applying Zamzows DefendZ Crabgrass Preventer in May.

Additional Reading

Preventing Crabgrass & Goose Grass

Crabgrass is very often incorrectly identified. Crabgrass is an annual plant; it comes up from seed every spring. It develops into an aggressive spreading plant in June through July. Very often people confuse crabgrass with other perennial grasses. Read More.

Controlling Quack Grass in the Lawn

Controlling Quack Grass is not an easy feat because 2-4-D commonly found in weed control agents is not effective for controlling this weed. MSMA commonly used in Crabgrass control agents is not effective either. Read More.

Safely Controlling Weeds & Bugs in Summer

Weeds and bugs seem to love the summer heat. If only we could convince them to take a vacation. If they aren’t going to take a break, we can’t either. The question is, can we treat weeds and bugs safely during the hottest days of the year? Read More.