Alternatively, residual weed killers will stop all plants from germinating, and non-selective weed killers will kill everything they encounter . Therefore, these are best used on patios or highly weed-ridden areas.

The weed killer is straight forward to apply, and there’s a built-in pump pressure sprayer which helps spread the liquid. When sufficiently pumped, the pressure sprayer bottle projects the weed killer to around 120 cm, keeping the product away from your hands. Speed of Results: Ideally, I was looking for fast-acting products that showed results within 24 hours. Any product that achieved this was rated higher. If the product also killed the roots within a 2-week window, this was also deemed highly effective. I marked down any weed killers that took 7 days to show the first signs of success, and those that took even longer received the lowest rating.Dicamba – effective against broadleaf weeds like milkweed, as well as woodier plants like brambles. 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.

Once the product has dried, children and pets can use the treated area. It can take a few hours for the product to dry, so your garden may be out of action for this time. However, there are some other weed-removal options that you can consider, or that you might want to use alongside chemical weed killers: The bottle of weed killer automatically dispenses out pre-measured amounts of the concentrated product. Although some thought is still required whilst making up the diluted formula, it’s easier than a classic free-pour dispenser. Pelargonic acid is the most commonly found active ingredient in organic weed killers. It’s a naturally occurring acid in geraniums. This acid is generally considered effective at controlling the growth of smaller broadleaf weeds (under 15 cm tall).

My Top Recommended Weed Killers

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.

Each tube provides enough weed killer to cover an area of roughly 20sqm, so a couple of tubes should be enough to eliminate weeds from most average UK gardens. The fact you just add the contents to water makes it simple to use, avoiding the hassle of measuring your own precise solution. As well as tough, woody weeds, SBK is also capable of getting rid of tree stumps; a diluted solution needs to be poured into drilled holes in the wood which turns the stump soft and mushy after about a month. Both contain different chemicals that treat broad-leaved weeds, so if you find that Weedol failed to work on a specific weed species, there’s a good chance that Resolva or Greenforce will do the job.Also, note whether there are multiple types of weeds or a large volume of a single type. If it’s a lot different weeds then be sure to choose a non-selective killer! Weed Location 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. 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. Whilst there are a lot of ingredients that can go into weed killers, some are used more commonly than others. Residual weed killer is applied to the soil and prevent seeds from germinating. Whilst it stops weeds from growing, it also tends to stop any other plants from germinating as well. Residual weed killer is long lasting, remaining active in the ground for around 12 months.