GardenBanter.co.uk - View Single Post - Shall I use Roundup

16-04-2005, 08:11 PM

wrote:

Greetings! What is the best time to use Roundup - now [in middle of
April 2005] before the weeds grow or after the weeds have grown? I live
in Mississippi. With thanks.

Roundup works best on mature plants. It works by poisoning the roots.
So if the sugars aren't flowing to the roots, it won't be as effective.
They always recommend using it when the plant is blooming, or at least
at the stage in the plants cycle after new growth is slowing and the
plant is storing sugars in the roots. It even works in the winter on
plants that can photosynthesize in cool temperatures and bright light.
The plants that comes to mind are the winter-blooming mints, henbit and
stagger weed.

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