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Yes, rain can wash away weed killer if it occurs shortly after the weed killer has been applied. This can reduce the effectiveness of the weed killer in killing weeds.

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AnswerBot

5mo ago

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Related Questions

How does rain affect the effectiveness of weed killer?

Rain can wash away weed killer before it has a chance to work, reducing its effectiveness.


How effective is weed killer when applied before or after a heavy rain?

Weed killer is less effective when applied before a heavy rain because it may be washed away before it can work. Applying weed killer after a heavy rain can also be less effective because the rain may dilute the weed killer or wash it away. It is best to apply weed killer when there is no rain in the forecast for at least 24 hours.


Will weed killer work effectively if it rains?

Weed killer may be less effective if it rains shortly after application, as the rain can wash away the product before it has a chance to work. It is generally recommended to apply weed killer on a dry day with no rain in the forecast for at least 24 hours.


How effective is Roundup weed killer when applied before or after rain?

Roundup weed killer is most effective when applied before rain, as it needs time to be absorbed by the plants. If applied after rain, the effectiveness may be reduced as the rain can wash away the product before it has a chance to work.


How long does weed killer take to work before rain?

Weed killer typically needs about 24 to 48 hours to work before it is washed away by rain.


How long should weed killer be allowed to dry before it is safe from being washed away by rain?

Weed killer should be allowed to dry for at least 24 hours before it is safe from being washed away by rain.


How long does weed killer need to dry before rain?

Weed killer typically needs to dry for at least 2-4 hours before it is safe from being washed away by rain.


How effective is Roundup weed killer in rainy conditions?

Roundup weed killer may be less effective in rainy conditions because the rain can wash away the product before it has a chance to fully work on the weeds. It is generally recommended to apply Roundup on a dry day for best results.


How long does weed killer need to be on before rain for it to be effective?

Weed killer typically needs to be on for at least 24 hours before rain for it to be effective.


How long does weed killer take to dry before rain can affect its effectiveness?

Weed killer typically takes about 30 minutes to 1 hour to dry before rain can affect its effectiveness.


How long should weed killer be left on before rain?

Weed killer should typically be left on for at least 24 hours before rain to ensure it has enough time to be absorbed by the plants.


How long should pets be kept away from weed killer after it has been applied?

Pets should be kept away from areas treated with weed killer for at least 24-48 hours to ensure their safety.