Broadleaf weeds are a real problem for Saint Augustine lawns, this is due to the popular herbicides which are usually used to control broadleaf weeds in lawns can often severely damage a Saint Augustine lawn. For this reason, the lawn owner will need to be very careful when selecting a weed herbicide for their Saint Augustine grass.
Weed Herbicides For Saint Augustine Lawns
Most weeds that invade lawns are in the category of Broadleaf weeds, so a Broadleaf weed herbicide is often the first weed control measure to use on lawn weeds.
When purchasing a herbicide for Saint Augustine grass, always ensure the pesticide packaging clearly says it is safe for use on Saint Augustine lawns. In most cases these products will be sold as Saint Augustine Lawn Weed Herbicides.
If you are unsure if the product you are considering is safe, be sure to check the side of the packaging which may say "Not to be used on Saint Augustine grass".
Spraying For Broadleaf Weeds
The different Saint Augustine cultivars will all react differently to herbicide use.
For this reason it is best to always test a small area of Saint Augustine lawn one week prior to spraying the entire lawn.
Apply with a Spraying bottle with the herbicide mixed with water at manufacturers recommendations.
Lawn Mowing and Weed Spraying
Do not apply Saint Augustine herbicides one week prior to lawn mowing or one week after lawn mowing. Spraying too early after mowing can severely damage the lawn, and mowing too early after spraying will remove much of the herbicide, reducing its effectiveness.
Lawn Watering and Weed Spraying
Do not apply herbicides within 2 days of lawn watering or expected rain, as this will reduce the effectiveness of the weed spray.
Best Broadleaf Weed Control?
These days there are many herbicides for Saint Augustine lawns available for purchase, some of which are often sold at expensive prices. Try to choose a Saint Augustine herbicide based on a value priced product from a reputable herbicide brand.