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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.
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.
On timing, herbicide control of broadleaf weeds like dandelions is much more effective in fall than spring. Because of this, other options for dealing with dandelions during spring include leaving dandelions for pollinators, mowing or picking off blossoms to reduce seed production, and removing plants by hand.
9 Μαΐ 2015 · The best time to spray is in the fall, when they are moving sugars and starches from the leaves to the roots for winter storage. You will get best movement of herbicides into the roots at this time. The second best time of year for spraying is during or right after the time the first flush of dandelion flowers appear in the spring.
Apply pre-emergent in Texas three times per year to control weeds. First application: late February to early March. Second application: early to mid-June. Third application: early to mid-September. Pre-emergent herbicide creates a barrier in your soil that kills any seeds as they sprout.
14 Οκτ 2021 · Mid-October to early November is a great time to treat perennial broadleaf weeds such as dandelion and field bindweed. With shorter days and cooler temperatures, these perennial weeds are moving nutrients from their foliage down to their root systems.
Treat your dandelions with an herbicide in the fall. Late October through mid-November is ideal. Mark your calendar for around Halloween, and you can tackle both henbit and chickweed at the same time so it won’t return next year either. Around this time of year, dandelions are only very small seedlings, just developing.
