Prodiamine 65 WDG (Generic Barricade) can be applied as long as soil temperatures are below 55 degrees. The Anderson's 0.48 Barricade Herbicide is also a prodiamine based product so you must make sure you do not go over the max rate of either product as that it the max for the active as a whole, whether you switch to a different brand or not. If you need assistance on when to stop applying a pre-emergent in your area, your local extension office can assist you with timing
Image is a post emergent that would be applied to actively growing weeds, best done with they have just emerged and are young and can be used around the same time as pre-emergents if needed.
Prodiamine 65 WDG is not labeled to be used on Timothygrass nor is it labeled for pasture grazing areas where this is commonly planted. It will not kill anything already growing as it is a pre emergent that prevents weeds from emerging when applied before they germinate.
Prodiamine 65 WDG is safe when used as directed around ornamental plantings. It is only a pre-emergent, used to prevent weeds emerging. It will not kill anything that is actively growing. It should not be applied over the top of newly planted ornamental plants but should be fine for established plants. Per the product label, should be safe around your junipers. Please refer to the product label for use rates and complete application instructions.
