For a low-cost solution, you can pull the weeds by hand and then pressure wash the pavers to get rid of roots. For this method to be effective, you should always pull the largest weeds by hand because they’re difficult to remove with a pressure washer.
Regularly sweeping and maintaining your paved patio will prevent seeds from settling between the stones as well.
The high concentration of salt in this formula prevents them from growing back.
Method #4: Pressure Washing
Salt is another natural product that you can use to kill weeds. Start by using a 3:1 mixture of water and salt and apply to the area very carefully. Keep in mind that saltwater will also kill other plants, so take care to apply it only to the weeds.
Baking soda, or sodium bicarbonate, works by overloading the weed with salt, causing it to dry out all the way to the roots and die.
Method #1: Baking Soda
You can use chemical herbicides to treat weeds on pavers as well, and there are two general types: pre-emergent and post-emergent. Pre-emergent herbicides work on plant seeds and seedlings, and they form a barrier to prevent germination.
Post-emergent herbicides work on actively growing weeds and are divided into two categories: selective and non-selective.
If you have a serious weed problem in your driveway or patio, glyphosate can be an effective solution. Soil enzymes neutralize it, so it’s unlikely to hurt plants that you don’t spray it on. However, it’s still best to apply it carefully so you don’t drip or accidentally spray plants you want to keep.
Sealing cracks is the easiest way to prevent weeds. If there’s no place for dirt and seeds to collect, then there’s no way for weeds to grow.
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You can use this to your advantage in your war on weeds. Make a hot salt-water solution of one part salt to nine parts water, and pour it into the cracks and gaps where weeds live. This will soak in and remove your weeds over time. Just make sure none of your salt water runs off into gardens or your lawn. It will harm those plants, too! That’s why it’s important to be careful salting your sidewalks in the winter.
How to Prevent Weeds from Growing Back
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