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With yet another heatwave on the horizon in the U.K., my lawn is looking parched and in need of some attention, and I can’t see it improving anytime soon.But despite my lawn resembling straw and going into dormancy, the weeds are still thriving. And since they are so easy to identify right now, it feels like the ultimate time to get stuck into some weed removal. But before heading into my yard to make a costly mistake, I checked in with a lawn care specialist to see if now is a prime time to pull them out.Can you treat lawn weeds in dry conditions?

(Image credit: Shutterstock)It might seem like the perfect time to strike, but according to Jonathan Davis, grass expert at Lawnsmith, spraying lawn weeds now could be a waste of time, or even do more harm than good.“I wouldn't recommend treating lawn weeds while the grass is dormant or drought-stressed,” says Davis. “Although the weeds may be easier to see, the conditions simply aren't suitable for effective or safe treatment.”Why spraying weeds in dry conditions is a bad ideaThe main issue is that weedkiller doesn’t work well in dry conditions, with Davis explaining that your already-struggling lawn is more likely to get damaged by it. “The grass is already under pressure in these conditions and that makes it more vulnerable to damage from any kind of treatment.”Reaching for a stronger or more specialist product won’t get around the problem, either. “No particular product will overcome poor growing conditions. Many selective lawn weedkillers advise against use during drought conditions, so it is best to follow the label instructions,” he warns.And he adds, that even if you do see some effect, in the long-term the treatment is unlikely to last.Get instant access to breaking news, the hottest reviews, great deals and helpful tips.“Further weeds may appear once wetter weather returns,” Davis says, “so treating during the drought may provide limited benefit.”What can you do about the weeds?