Question 1

can it be used on post emerged crabgrass in Summer?

Accepted Answer

It won't kill the crabgrass that is already growing.  However, it will prevent the crabgrass seeds released in the summer from mature crabgrass from germinating.  Spray in March to control crabgrass through May, then spray again in June to carry over to September. You can then safely overseed (fescue) in Sept or Oct.

Question 2

I have 2acres yard, how much is required?

Accepted Answer

It will depend on the area you live in.  As a general rule, you will apply .55 fluid oz/1,000 square feet for every gallon of water to be used and use no less than 2 gallons of water.  Here is the phone number for the company help line, 866-581-7378.  Used it for the first time this past jan and it works.  good luck

Question 3

Does it treat Sand Spurs?

Accepted Answer

It's labeled for sandbur if that's what you mean.

Question 4

If I put down this pre-emergent, how long should I wait to re-seed?  Can anyone check their Dimensions bag and let me know?  Thanks!!!

Accepted Answer

From the Dimension label: "Reseeding, overseeding, or sprigging of treated areas within 3 months after a single application or within 4 months of a split application (spring/fall) totaling more than 0.73 oz./1000 square ft. (2 pts./acre) may inhibit the establishment of desirable turfgrasses.  However, overseeding with perennial ryegrass 8 weeks after an application, if slight injury to perennial ryegrass can be tolerated is a recommended exception."In practice, besides the rate, it depends on how heavy the soil is and how much rainfall you get.  It is more mobile in more porous soils and with more rainfall.  It also moves horizontally with runoff from heavy rainfall, concentrating in areas where water pools, but this doesn't prevent Bermuda and especially zoysia from spreading into those areas.

ASIN	B0051GXXPW
Active Ingredients	Herbicide
Best Sellers Rank	#58,313 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #316 in Weed Killers
Brand Name	Dow AgroSciences
Coverage	Annual
Customer Reviews	4.5 4.5 out of 5 stars (350)
Included Components	1 bottle
Item Form	Spray
Item Weight	4 pounds
Liquid Volume	64 fluid ounces
Manufacturer	Dow Agrosciences
Model Number	278316
Number of Packs	1
Part Number	181798
UPC	662974754213
Unit Count	64 Ounce

Dimension 2EW Herbicide - 0.5 Half Gallon (64 ounces)

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