Roundup Weedkiller : the science and technology

The Science Behind Roundup Weedkiller

The most advanced weedkiller on earth

Roundup is full of very smart stuff.

It was originally developed for use on a large scale in the agricultural industry.

And the exact same advanced technology that's used in the commercial sector is called upon to create Roundup for gardens, patios and driveways.

It incorporates a highly effective systemic action that has a dramatic effect on any weed but because Roundup is deactivated in the soil by micro organisms the soil is free to use as soon as the Roundup has dried.

Absorbed by the leaves, Roundup circulates down to the weed’s growing points. So, even though, outwardly, there might not be many signs that the weed is affected, apart from some yellowing of shoots and leaves, rest assured that Roundup is getting to work on the plant.

Put simply, Roundup is killing the plants from ‘inside out’.

Here’s how it works:

Roundup is sprayed on to the leaves of the weed
It’s absorbed through the leaves and enters the plant’s sap stream
Roundup is carried to the growing points of the weed’s roots and shoots
With Roundup Ready to Use products, the first effects become visible after 48 hours
Roundup kills the leaves, shoots and roots
Soil is left ready for replanting

Because it kills right down to the root, Roundup will eradicate almost all weeds, including deep-rooted perennials such as Horsetail, Bindweed and Nettles.

When can my children/pets return to the treated area?

When Roundup has been absorbed by the leaf, the residue will dry. When the residue has dried, children and pets can be allowed back onto the treated areas.

Can Roundup kill Japanese Knotweed?

Yes, but you will need to use Roundup Tree Stump & Root Killer. It may take several applications – please read the label for further advice.

When can I replant/reseed after use?

Roundup is only active in plants and is inactivated on contact with the soil. It is then broken down by soil micro organisms so that you can re-use the soil for re-planting. We recommend that you leave treated weeds for about 7 days before digging or cultivating the soil to allow Roundup to move to the roots of the weed.

View all the current frequently asked questions

Video Guides

Using Roundup is so simple. But, don't just take our word for it - have a look at our easy to follow video guides.

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