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When to Apply Herbicide To Dandelions. If you’re using a pre-emergent dandelion killer, it’s crucial to apply it to your garden before dandelions can germinate and sprout. This usually means it works best when applied in early spring when the soil temperature reaches 55 degrees Fahrenheit.
30 Μαρ 2023 · The recommended time to spray dandelions is in the fall and early spring. In the fall, dandelions shed their leaves to conserve water and nutrients for winter, making it easy to kill them to the root. You can also spray dandelions in early spring before the young shoots develop a strong root system.
A thick lawn is the best method for preventing dandelions and other broadleaf weeds in the lawn. Mow your lawn at a high setting on your mower, and follow a regular feeding program to achieve a lawn that is thick enough to keep weeds like dandelions from establishing in the first place.
This product kills broadleaf and troublesome grass weeds including dandelion, chickweed and clover as well as crabgrass, foxtail and yellow nutsedge, see product label for complete list of weed types. Apply when daytime temperatures are between 45°F and 90°F. Do not apply to Bermudagrass when daytime temperatures exceed 85°F. Kills yellow ...
Herbicide applications of either glyphosate or 2,4-D ester are more effective in the fall than in the spring. Glyphosate applied at 1.13 a.e. lb/A plus ammonium sulfate (AMS) at 17 lb/100 gal effectively controlled dandelion when applied in the fall following crop removal.
For best results, apply evenly to a wet lawn and avoid watering or disturbing the lawn for 24 hours after application. Apply up to 4 times per year between early spring and late fall, but you must leave a minimum of 30 days between applications.
In the spring, the ideal time to apply Spectracide Weed Stop For Lawns Plus Crabgrass Preventer Granules is just before or when the forsythia is in bloom or when the first dandelion flowers appear. In southern areas (see map), make a second application of Spectracide Weed Stop For Lawns Plus Crabgrass Preventer Granules in six to eight weeks ...
