Like most weed killers I’ve tested, this product does contain glyphosate which isn’t wildlife friendly. Flower heads should be cut off weeds first, especially dandelions. Time consuming to apply. Shake the salt directly onto the weeds, this can take a while if you have a lot of weeds and may be impossible to do if it is windy.

Longevity: Any weed killers that needed to be reapplied after rain were significantly marked down, as this doubled the time you’d have to spend on weed killing. Weed killers that killed the entire plant, including the roots, were rated the best, as these are the only products that ensure long-lasting results. Application Method: Roundup Ultra Weedkiller Concentrate is easy to apply, simply dilute the concentrate in water and apply using a watering can or garden sprayer. 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! 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.

Results in 24 Hours

Safety: Always read the label carefully before using a weed killer, and follow the instructions carefully. Some products may be harmful to pets or children, so be sure to choose a product that's safe for your home. The formulation uses no harsh chemicals such as glyphosate or bleach making it ideal for use on most hard surfaces that means that the non-staining formula can be used to clear weeds and moss from patios, driveways, tarmac, concrete, sandstone and more. Organic and Biodegradable

It comes as a concentrated liquid, so you need to dilute the weed killer before applying it to the garden. This is done by adding 30 ml of weed killer into 6 L of water (if using a watering can and a fine rose). This produces enough weed killer solution to treat an area of 10 m². With glyphosate as its primary ingredient, this product does need to be handled and used with care. It’s toxic to pollinators and pond life, and children / pets need to be kept off the treated area until it’s dried. It does take a while to dry – up to 48 hours. Not very cost effective: 1 bottle of table salt will treat roughly 1m2, this is quite expensive when compared with an industrial or commercial weed killer.

To 1 gallon of white, 5-percent-acidity vinegar, add 2 cups of salt and 1 teaspoon of soap. Stir or shake until all the salt dissolves. Apply it to your weeded area with care. It may take several applications to get down into the root and kill the plant entirely. It does contain glyphosate, which is toxic to ponds and pollinators. It’s broken down into the soil so isn’t bad for the environment in that sense, but you do need to be careful to keep children and pets off the affected area until it’s dried. Although the paving sand with weed killer is a little more expensive to buy initially than normal kiln dried sand. Buying the weed killing jointing sand should in the long-term help save you both time and money on maintaining you paving. It saves you money and time by not having to buy expensive weed killers. Safety: As a non-selective weed killer, Resolva Tough Concentrated Weedkiller can be harmful to non-target plants and should be used with care. It is also important to keep pets and children away from treated areas until the product has fully dried. 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.

Overall, this is certainly one of the best weed killers for getting rid of tougher weeds and tree stumps, but it does need to be used with patience as the results aren’t instant. Also, it offers quite good value for the price, with the 1 L bottle containing enough formula to cover up to 332 m² when diluted. The ingredients dictate what type of weed killer it is, and often a combination of ingredients are used. The Deadfast Concentrated Weed Killer Sachets is for those who don’t want to worry about mixing the right amount of product. It comes with 12 sachets and is able to cover up to 720 sqm. You can simply dispense a sachet of product into a watering can, add water and then apply to the weeds you are wanting to treat.So if you're in the market for a powerful weed killer that won't harm your grass, Triclopyr should be top of your list - although there are better lawn weeds killers for specific lawn weeds. You get great value for money with this product as one bottle can cover an impressive 50m ². How to Use

Safety: This product can be harmful to humans and pets, so gloves are recommended when handling it. It also should not be used near water sources. Safety and Environmental Impact: It was important to assess the overall environmental impact of each weed killer as well as the risk to the user’s safety. As a result, any product where the nozzle leaked was rated lower, as this risked harm to the gardener using it. Products with excessively harmful chemicals, such as Glyphosate, were marked down, as these pose a risk to wildlife. The first option is to replace any lost sand as & when needed with Dansand. Simply put, instead of using ordinary kiln dried joint sand next time you just re-sand the joints of your pavers with Dansand. Glyphosate – kills the majority of plants, including perennial grasses, so it’s not one that you want to accidentally get on the lawn or flowerbed. It is effective at killing well-established weeds because it works from inside the weed itself. After being absorbed by the leaves and stalk of the weed, glyphosate spreads to the rest of the plant, including the roots. In recent years, it’s developed a reputation for being dangerous; however the jury is out on a definitive conclusion. Some studies have found it to be carcinogenic, whilst others consider it safe for humans to use as long as the instructions are followed. Glyphosate is also thought to negatively affect wildlife such as bees and aquatic life. It can stay in the soil for a long time as well.

How to Use

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. Florasalum – effective against dandelions, white clover and daisies before the plants have reached maturity. 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. This product contains MCPA and mecoprop-P, two herbicides that are effective at targeting and eliminating broadleaf weeds in lawns.