A4: We advise treating weeds between April and November when the weeds are actively growing on a dry calm day and with sufficient leaf surface to absorb enough weedkiller to kill the weed. In cooler weather weed control will take longer. Be careful using weed killers around food plants. Many of them are unsafe for use around crops. There are some which are considered to be ok, but you should always do your own research on specific products and read the label carefully. Whilst not a particularly fast-acting weed killer, compared to those which show results in a couple of days, results on weeds should start to be visible after a couple of weeks. Although it’s one of the strongest weed killers, it may take a few weeks to notice brambles dying off. A repeat application after six weeks might be required. This weed killer can kill all greenery (including your lawn!) so a lot of care needs to be taken. If you spray any weeds on your lawn, you’ll likely affect the surrounding area too. For this reason, it’s better for individuals or clusters of weeds on your driveway or patio.

The only negative when it comes to application is that it takes a few pumps to get a decent amount of weed killer out. You’ll need to get fairly close to the weeds to cover them, and those with weaker hands or reduced mobility may find they’re working harder than is comfortable for them.Point spray head 50cm from surface to be treated. Hold trigger for continuous spray. Spray weeds thoroughly to the point of run-off, ensuring leaf surfaces and stem are covered evenly.

It seems to work best in hot, dry weather, and certainly shouldn’t be applied when rain is forecast for the same day; the longer the weed killer stays on the weeds, the more effective it will be. Introducing Different Hormones. The plant’s hormones dictate its growth. Some weed killers contain plant hormones that, when applied to the plant, confuse the plant’s growth system. This will kill weeds as the plant eventually becomes deformed and dies.Prevent weed seeds from germinating by using a weed killer that stays in the soil. This will stop weeds from growing, but will also stop any other plants from germinating as well. Flazasulfuron works on weeds when they first start growing, as well as when they are in their ‘adolescent’ stage. It’s absorbed by the roots and then works its way through the rest of the plant. As a result, slightly more preparation is required than with ready-to-go weed killers. You’ll need to mix 15 ml of Weedol weed killer with 1 L of water in a watering can with a fine rose before applying it to the lawn.