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The basic Round up bottle commonly used by most householders needs 2 hours rain free after application, for the best results. Round Up works best when the plant or weed is producing sugar, as the Glyphospate the killing chemical in the Round Up, needs the sugar in the plant to distribute the Round Up!

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Q: Should you Spray round-up in the rain?
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Related questions

What time of year should you spray gorse with roundup?

Between November and February to get best results. Roundup works well - 200ml of roundup per 1L of water


Where can you get licensed to spray roundup in Florida?

Is it illegal tp sprao Roundup in Florida


Can you spray roundup on tif-way Bermuda while it is dormant?

Roundup is better sprayed on when the plant is growing strongly.


What does roundup ready mean in plant science?

Roundup is the name of a herbicide used by farmers to kill weeds. A plant is said to be roundup ready if it is resistant to roundup, so that you can spray a field with roundup and it will kill the weeds but won't kill the roundup ready crop.


Will roundup spray kill ferns?

Roundup spray is a non-selective herbicide that can kill ferns along with other vegetation it comes in contact with. It is important to be careful when applying Roundup near ferns or any other desirable plants to avoid unintentional damage.


Will roundup kill your grass?

Roundup is made to be a topical plant killer--you spray it on the leaves and that and sunlight kill the plant. If you want to keep seeds that are in the ground from germinating, you would use a pre-emergent weed killer. Put this down on your yard before a rain or water it in, and you should be weed free for a few months.


How long does it take for roundup to start working?

It starts working as soon as you spray it on for the pant to be completely setup and dead about a week and then you should come along and pull out the dead weed


Can it be to hot to spray roundup?

Yes it can be. To get the best results when using Roundup you will want the temperatures to be between 65-85 degrees. Roundup will not work with temperatures above 85 degrees because the plants start to go dormant, and when the plants go dormant, they will not absorb the chemical.


Recommened rate for weeds is 48 oz. roundup per acre. how much roundup to spray 212 acres?

you are doing 212 times as much land so you need 212 times as much roundup. 212*48 = 10176 oz. or 636 lb.


What personal protective equipment should be used when working with roundup pesticide?

What personal protective equipment should be used when working with roundup pesticide


Can you spray roundup on conifers?

It is generally not recommended to spray Roundup on conifers, as they are sensitive to glyphosate, the active ingredient in Roundup. Glyphosate can harm conifers and may cause damage or even death to the plants. It is best to select a different herbicide that is labeled as safe for use around conifers.


Can you spray roundup before you set up your above ground pool?

The pool will kill everything underneath all by itself.