For most cool season grasses, Dimension is most effective as a pre emergent herbicide. For warm-season grasses, it is effective as both a post-emergent and pre-emergent product.

When should Dimension pre-emergent be applied?

Dimension can be applied as early as March 1. Because of the added flexibility in timing, these products are favorites of lawn care companies who have many customers to service in the spring.

What is in dimension pre-emergent?

Dimension 2EW Herbicide is water-based and contains 2 lbs. of the active ingredient dithiopyr per gallon. It provides pre-emergent weed prevention and early post-emergent control of crabgrass, and season-long control of crabgrass, goosegrass, foxtail, spurge and bluegrass annual (Poa annua).

How does Dimension pre-emergent work?

These products are only used to control plants or weeds BEFORE they take root. Therefore these are used to prevent a problem and not trying to fix one. Pre emergents work by inhibiting the enzymes within a germinating seed and stunting and stopping its growth.

Is dimension or Prodiamine better?

Prodiamine has performed better and is more cost-effective than Dimension south of the Mason-Dixon. Also, there are many post-patent alternatives now available, which has brought the cost of this chemistry down significantly.

How long does dimension pre-emergent last?

Dimension pre-emergent is effective for 4 months after application. This makes Dimension a long-lasting pre-emergent. Keep in mind, when mixing and spreading Dimension that it should be diluted to product label rates. Only .

Can I apply pre-emergent and fertilizer at the same time?

Pre-emergent and fertilizer work well together because both need to be watered into the soil to be effective. By applying both at once and watering them in, you simultaneously feed your grass and stop weed seeds from sprouting.

Should I mow before pre-emergent?

Typically, you need to mow your lawn once a week to 2 or 3 inches tall before applying the preemergent. Make sure your lawn mower’s blades are sharp because preemergent herbicides may damage lawns that are already stressed from split stems and subsequent disease.

Will rain wash away pre-emergent?

Rain will only wash away pre-emergent that has been applied in wet conditions. If you spread pre-emergent when the lawn is relatively dry, the next rainfall will water the herbicide into the soil, where it forms a barrier that kills seeds as they sprout.

Can you put pre-emergent in flower beds?

Pre-emergent herbicides are a great way to cut down on the amount of many annual and perennial weed seeds in flower beds. Pre-emergent herbicides control a variety of weeds but not all weeds.

Which is better dimension or barricade?

Dimension 2EW achieves equal to better preemergence crabgrass control, when compared with preemergence applications of Barricade. Studies conducted by Dow AgroSciences over a period of 14 years — combining data in the North and South — show Dimension 2EW (0.25 lb.

Does dimension need to be watered in?

Answer: Yes Dimension 2EW does need to be watered in with about a 1/2 inch of water to be activated. Many folks choose to apply just before a rainfall and let nature water in the product for them.

Is dimension a Dithiopyr?

Dithiopyr acts primarily as a preemergent herbicide but can also be used in early postemergent control of crabgrass. It is an ingredient in many products including Dimension from Dow AgroSciences.

What is Gallery pre-emergent?

Gallery specialty herbicide provides pre-emergencce broadleaf weed control while keeping ornamental and turf safety in mind. Over time, Gallery prevents the hassle of callbacks, minimizing costly hand-weeding and reducing the need for re-treatment. Season-long control of more than 95 broadleaf weeds.

Is dimension a post emergent?

Dimension® specialty herbicide is the only preemergence herbicide that offers excellent early postemergence control of crabgrass. It also is proven effective for more than 45 other grassy and small-seeded broadleaf weeds.

Who makes Dimension pre-emergent?

Dow AgroSciences Dimension Granular Pre-Emergent Herbicide – 50 Pound.