Whilst there are a lot of ingredients that can go into weed killers, some are used more commonly than others.

Therefore, you should avoid using weed killer if you know it’s going to rain or if it’s windy. Other Methods for Removing Weeds It’s important to note that the chemicals in most weed killers are not as effective during warmer temperatures. The ingredients dictate what type of weed killer it is, and often a combination of ingredients are used. This bottle contains 360 g of product, enough to cover a 1666 sqm area. It does require mixing before application, but it comes with a measuring cap included which is very easy to use. It can be applied using either a watering can or a sprayer. Selective weed killer is usually safe to use on lawns as it won’t kill off the grass. It will only target and kill specific types of plans (eg. weeds). Selective weed killer is normally clearly sold as being lawn safe. Therefore, if a weed killer doesn’t mention being safe for lawns, don’t use it on grass (unless you don’t mind the grass getting scorched).

Whilst Resolva Weed Killer is powerful, it often takes several days to see results. Weeds are more likely to die after 4 – 7 days than 24 hours. However, after a week, once they’re dead, they’re generally dry enough to simply pull out of the ground. One downside of this weed killer is that it makes the soil unusable for a period of time. This is fairly disappointing if you’re wanting to get planting. The instructions state that it takes a ‘growing season’ to wear off, meaning potentially an entire spring or summer! If you’re after a way to get rid of a lot of weeds on your lawn, without damaging the grass, Weedol Weed Killer is one of the best safe-for-lawn weed killers. Ease of Application: When reviewing ease of application, I deemed any weed killer that came ready-mixed better for the average gardener, as less time will be spent preparing the solution. I also looked for products that came with different attachments – such as a nozzle and hose – to make application easier. Models with additional features, such as a built-in pressure pump and adjustable nozzle settings, were rated highest, as these elements made the product easier to use.

However, the results are reliably positive, albeit slow – it takes around one week for clover to start visibly yellowing and dying. There may still be the occasional dandelion that needs to be removed by hand after using Weedol Weed Killer, but it does a fairly comprehensive job of clearing the lawn (without harming the lawn itself). 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. The nozzle can be twisted to select either a ‘jet’ or a mist; however, the mist is not particularly fine. The jet, on the other hand, can be used as expected to sufficiently target individual weeds. This weed killer is very effective, destroying weeds at the roots within 2 weeks. The smell alone is enough to indicate that it’s exceptionally powerful, so while it is very effective, a lot of care needs to be taken during use. It worked on all the weeds I treated it with.The best weed killer will show visible results within 1 – 2 days. My advice is to look for a large capacity that will treat a surface area of at least 100 m² as these will generally offer the best value for money. Prioritise weed killers that kill the entire plant, including the roots, to prevent the weed from re-sprouting . The Gallup Home & Garden Weed Control has been promoted as the strongest weed killer available for domestic use, and it did work very well. I noticed visible results within 24 hours, and the roots were killed within a couple of weeks. It’s been designed for both annual and deep-rooted perennial weeds. 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. Like many off-the-shelf weed killers, it contains glyphosate. While this is strong enough to kill weeds, it’s also strong enough to harm pollinators and pond life. Having said that, treated areas can be replanted 7 days after application, which isn’t bad going for a weed killer.

This weed control is exceptionally strong, with a single 2 L bottle treating up to 3332 sqm. It would be ideal for those with a badly overgrown allotment or garden, but it’s also a good choice if you’re after a super strong weed killer for deep-rooted weeds. If your weed problem is bigger than just dandelions and clovers, this Vitax SBK Brushwood Tough Weed Killer is a bit more heavy duty. It can see off hardier plants like brambles, nettles and thistles, and is the best weed killer for clearing overgrown, unruly spaces. Clover: very important to pollinators, it helps condition your lawn by improving nitrogen levels in the soil.One disadvantage of using this weed killer is that you have to be careful with disposing of your grass clippings. Because of the chemicals used, grass clippings should not be disposed of in the standard council-collected green waste. If you choose to compost them , they need to be composted for at least 9 months before being suitable to use as mulch on the garden. Whilst Neudorff might not be a particularly well-known company, their WeedFree Plus Concentrate is a powerful weed killer that works on relatively stubborn weeds. 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.