How Late Can You Apply Pre Emergent

Описание: How late can you apply your fall pre-emergent application? All depends on the weather in your area. You definitely want to get your application in before your first hard frost or snowfall. With our continued later and later summers that time frame of applying your pre-emergent may vary.

Here in El Paso, TX we typically do not see snowfall till February but our First frost comes from the last week of November to the first or second week of December. Therefore my application of pre-emergent has taken place this late in the season not only due to our late summer temperatures but also because of an over-seeding process.

After over-seeding a lawn it is recommended to wait at least 60 days before applying any pre-emergent. If you plan too over-seed in the spring there are recommended application periods before over-seeding that must be followed to ensure full germination.

In my perennial rye lawn, I completed my over-seeding on September 17th, 2021 and now have waited at least 60 days before spraying my lawn with prodiamine. There are different application rates for each grass type and maximum rates for the year so always read the label and following accordinily.

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