Crossbow Herbicide should not be applied before a rain, but is rainfast in 6 hours. We recommend applying when rain is not expected within 24 hours of application for best results.
The manufacturer of Crossbow Herbicide does state that this product is rainfast in as early as 2 hours after application. It is common for most herbicides to be rainfast in 4-6 hours after application, which is likely why you saw that information given. We apologize for any confusion.
Yes, Crossbow Herbicide should be effective for wild daisies (oxeye daisy) in established grass fields. You can read more about this noxious plant in this report from UC Davis.
You can use either a hand pump sprayer or a hose-end sprayer with Crossbow Herbicide. If you are using a hose-end sprayer, be sure that you have calibrated the sprayer so that you are using the correct amount of herbicide over the area that you are treating. Refer to page 4 on the product label for a list of rates for many target weeds.
Crossbow Herbicide can be mixed with fuel oil or kerosene when doing a dormant stem or basal trunk treatment.
Crossbow Herbicide is the most popular choice for trumpet vine or trumpet creeper suppression. It is very difficult to completely control this plant with a single herbicide application. Per the product label, use a 1.5% mixture as a conventional basal or dormant stem application.
Tree of Heaven is an invasive species that can require chemical and cultural methods to control completely. You will probably need to cut a treat the stumps directly with a product like Crossbow Specialty Herbicide for best results. This article from the PennState Extension service has more information about this difficult tree.
Crossbow Herbicide could affect desirable woody and viney plants that are sprayed with it. You should avoid spraying desirable vines and trees. We suggest spot treating the target plants and spraying when conditions are calm.
If you are planning to use a product like Crossbow Herbicide you would typically want a late summer/early fall application for some of the best results with a post-emergent heribicide. Wild carrot can be difficult to completely get rid of due to their seed cycle, so dilligence and product rotation will be needed, if possible. I have linked for you below a really helpful guide on Wild Carrot and it goes over its life cycle, timing and ingredient recommendations from Michigan State University through their tests and what they found successfull.
https://archive.lib.msu.edu/DMC/Ag. Ext. 2007-Chelsie/PDF/e2573.pdf
Crossbow can be used to kill cut buckthorn stumps. Apply immediately after cutting the stump to prevent resprouting.
When using Crossbow Herbicide a surfactant or adjuvant is not required per the product label. Please let us know if we can be of any more assistance.
It is recommended that you wait at least three weeks after an application of Crossbow Herbicide before reseeding areas.
It is best to apply Crossbow Herbicide when the plants are actively growing, which would be when the temperature is above 55 degress and below 85 degrees. For some viney plants, there are dormant stem applications. Please refer to the product label for your specific needs.
Crossbow Herbicide should kill Glory Bower as it is a woody plant. We cannot gurantee it however because it has not been tested for it. It may be best to spot treat the Shoots with Round up.
Like with most liquid concentrates, we recommend that you only mix when you are ready to spray. Crossbow should be used within 24 hours of mixing. You should then rinse your equipment throuoghly. This will also prevent any damage in the long run to your sprayer. The storage shelf life of Crossbow Herbicide is 3-5 years if stored in a area that does not allow the product to freeze or reach over 80 degrees
Per the Crossbow Herbicide SDS, it will cause mild irritation or allergic skin reaction. Take off contaminated clothing. Rinse skin immediately with plenty of water for 15 to 20 minutes. Call a poison control center or doctor for treatment advice.
Yes, Crossbow Herbicide can be used to kill dormant blackberry bushes and vines. You would apply to thoroughly wet upper and lower stems including the root collar and any ground sprouts. Treat at any time when the brush is dormant and the bark is dry. Best results have been obtained with late winter to early spring applications. Do not treat when snow or water prevent spraying to the ground line. You will use 1.5 gals./acre broadcast application or 1 to 1.5% mixture. Please refer to the product label for complete mixing and application instructions.