Jun
27
Posted under
Common Lawn Weeds
* Perennial broadleaf weed.
* Deeply taprooted, stemless.
* Leaves, basal, slightly to deeply cut, with lobes that point back towards base.
* Single yellow flowers at end of each long, smooth hollow stalk.
* Seed are brown, long stalked with parachute of hairs forming a “globe.”
* Reproduces by seed and can form new plants from fragments of broken taproots.
Control Methods
* Hand Removal or Hoeing
* Herbicides:
o Preemergence - atrazine*
* Excellent tolerance in centipede and St. Augustine grass.
Tolerance in DORMANT bermuda and zoysia at low label rates. See label for appropriate
turfgrass.
o Postemergence - combination of these products:
[dicamba**, MCPP**, 2,4-D**, and/or 2,4-DP**]
** Use lower rates on centipede and St. Augustine grass.
Do not use within the root zone of desirable plants, especially dicamba.
Always Read the Label
Jun
24
Posted under
Common Lawn Weeds
* Winter annual broadleaf weed.
* Sparsely-hairy weed with greenish to purplish, tender, four-sided stems.
* Leaves are opposite, broadly egg-shaped with bluntly toothed margins.
* Lower leaves on long petioles, upper leaves on short petioles (as opposed to no petioles on upper leaves of henbit).
* Leaves often reddish or purplish tinged.
* Flowers are reddish purple with darker coloring in spots on lower petal; arranged in whorls.
* Reproduces by seed.
Control Methods
* Hand Removal or Hoeing
* Herbicides:
o Preemergence - atrazine*, benefin, pendimethalin, oryzalin, isoxaben.
(Apply in early fall).
* Excellent tolerance in centipede and St. Augustine grass.
o Postemergence - combination of these products:
[dicamba**, MCPP**, 2,4-D**, and/or 2,4-DP**]
(Apply in the fall or early winter to small weeds, but before blooming).
** Use lower rates on centipede and St. Augustine grass.
Do not use within the root zone of desirable plants, especially dicamba.
Always Read the Label