12 hours For Roundup® Max Control 365, it takes 12 hours to see visible results, but the trade-off is year-long hassle-free weed control.

Description. Roundup® Ready-To-Use Max Control 365 kills and prevents weeds for up to 12 months by creating an invisible barrier. Not only does it kill visible weeds, it kills them down to the root, guaranteed!* Apply the no-mix formula with the Comfort Wand® with continuous spray and extended reach for no bending.

We apologize for the issues you have encountered with RoundUp Max Control 365. This product will move through the soil up to 12 inches. A complete control of the weeds can take up to 2 weeks.

Roundup Concentrate Max Control 365 kills and prevents weeds for up to 12 months! Great for use on cracks and crevices in hardscapes. Rainproof in 30 minutes.

Roundup Max Control 365 lasts for about 12 months, making it a great choice for families without a ton of time for gardening. This weed killer is absorbed through the leaves and travels all the way to the roots to eliminate unwanted plants and keep your walkways looking great.

Most research shows that the length of time that Roundup stays active in the soil in many cases is less than one year, but the range depends largely on environmental factors and the amount of the chemical that a person applies in a particular area.

Major discussions on a glyphosate ban in Europe started in 2015, when the International Agency on Research on Cancer of the World Health Organization, in an assessment of glyphosate, concluded that the compound was 'probably carcinogenic to humans'16.

For use on driveways, patios, sidewalks, and gravel areas, Roundup Ready-To-Use Max Control 365 is rainproof in 30 minutes with visible results in 12 hours.

How long does weed killer last? The consensus determined that Roundup stays active in the soil for at least six months. The length of time depends on the amount applied in a specific area and the environmental conditions to which Roundup remains exposed over time.

8 years when stored undiluted in original container.

Monsanto says the price hike was necessary to ration supply for Roundup, which contains the active ingredient glyphosate, which was in short supply among Monsanto's generic glyphosate competitors.