Northern St. Johnswort (preemergence)

Q&A related to Northern St. Johnswort (preemergence)

• In one answer about watering you state it does not need to be watered in because it is mixed with water;
• Using crossbow on Saint johns wort. The question is when I spray it how far down in the root system?
• Can Southern Ag Atrazine Weed Killer for St Augustine Grass be used on other grass types?
• Should Southern Ag Atrazine be applied to wet grass?
• May I apply Southern Ag Atrazine Weed Killer for St Augustine Grass on Bahia Grass?
• What will a Southern Ag Atrazine Weed Killer for St Augustine Grass quart cover?
• Can Southern Ag Atrazine Weed Killer for St Augustine Grass be used on St. Augustine Floratam?
• What can I use to kill Dichondra in a St Augustine/Bermuda lawn?
• Does Southern Ag Atrazine Weed Killer for St Augustine Grass kill crabgrass ?
• Does Southern Ag Atrazine Weed Killer for St Augustine kill Bahiagrass?
• Can I use Ferti-Lome Weed Out with Crabgrass Killer on St Augustine grass?
• Can I use Atrazine during the winter when the Bermuda grass is dormant?
• Will Fertilome Weed & Feed for St. Augustine hurt Bermuda grass?
• Will Drive XLR8 Herbicide Crabgrass Killer kill dollar weed and is it safe for St Augustine grass?
• Can SpeedZone Lawn Weed Killer Concentrate be used in St Augustine Grass to kill dollarweed and clover?
• Does SpeedZone Lawn Weed Killer Concentrate kill dollar weed on St Augustine?
• Which pre-emergents are safe to use under trees?
• How much Hi-Yield 2, 4-D Selective Weed Killer goes into a gallon sprayer to do spot treatment for dollarweed and clover on my St. Augustine?
• Is Southern Ag Atrazine Weed Killer for St Augustine Grass safe around trees like live oaks, red oaks and pine trees? If not, what is recommended
• How long after applying Southern Ag Atrazine Weed Killer for St Augustine Grass should I expect to see results?