Q. Is abatement a acceptable time to use a pre-emergent to ascendancy dandelions?
Wayne from Boardman
A. No, abatement is not a acceptable time to ascendancy dandelions with a preemergent. In fact, preemergent articles aren’t a acceptable ascendancy advantage for dandelions. Dandelions can annual and aftermath seeds from bounce into fall, which makes authoritative them with a preemergent a challenge.
Dandelions are broadleaf weeds. Many bodies with a dandelion botheration don’t apprehend that dandelions are a abiding weed, as is addition belled backyard weed, arena ivy. The dandelions you see blooming in the bounce are not new plants that accept afresh germinated. They are aftermost year’s dandelions that accept overwintered. The leaves die off in winter, which is why you don’t see them, but the basis and acme break alive.
According to Michigan State University, the best time to ascendancy broadleaf weeds is the fall. In abatement these plants are busily autumn activity in their basis systems and this makes herbicides added able adjoin them. If dandelions are numerous, you can administer an adapted herbicide over the absolute breadth according to characterization directions. If you accept beneath dandelions you can atom aerosol the alone weeds. Hand digging is an option, but you charge to get all of the tap basis out or it could regrow. Just an inch of the basis larboard abaft can abound a new plant.
To be effective, herbicides accept to be activated in the adapted conditions. Wearing adapted clothing, administer the herbicide at atomic 24 hours afore any forecasted precipitation. Herbicides assignment best aural assertive temperatures, canicule at atomic in the high 50s and nights aloft 40. Don’t administer herbicides absolute 2,4-D back temperatures are aloft 85 degrees; it can abuse the accommodation grass. Avoid application herbicides in airy conditions, as it could alluvion assimilate mural plants, causing damage. And aish any leaves on top of the dandelions afore application the herbicide.
As always, apprehend and chase all admonition on the herbicide label. The admonition call the best able way to use the artefact and how to assure both the ambiance and the user.
Visit http://go.osu.edu/controlinfall for added advice on authoritative dandelions; appointment http://go.osu.edu/readlabel for added advice on actinic labels.
This week’s acknowledgment was provided by David Sprague, an OSU Extension adept agriculturalist advance in Mahoning County, who you can accommodated at the Mahoning Bulb and Annoyance Clinic. Call the appointment bulb and annoyance dispensary at 330-533-5538 to abide your questions. Regular dispensary hours are 9 a.m. to apex Mondays and Thursdays.
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