Yes, the magnolia could absorb the Helena Crossbow Herbicide
No, Helena Crossbow Herbicide is not labeled for witchgrass.
No, as long as you dilute what you need to use at a time Helena Crossbow Herbicide will not damage the pump of your sprayer. However, it is not recommended to store any pesticides in a tank for long periods of time because this will wear out the gaskets and pump faster. Mix what you will need to use within 24 hours and rinse out your sprayer after each use. Since your sprayer is a 45 gallon tank, we also recommend checking with the manufacturer.
Unfortunately, the extent of injury to the Royal Purple Liriope and soil is going to be difficult to determine. With the product label precautions and advising to be cautious of wind drift, preventing overspray and to avoid spraying desirable plants with
The best method to remove woody plants and shrubs is to first cut down them down to their stump and apply Helena Crossbow Herbicide on the fresh cut or spot treat as best as you can. If enough of the solution contacts the young trees roots it could injure them.
While the product label for