Clusters of yellow flowers on winter annual weed. Leaves are lobed and have spiny margins. Near the base of the plant stems are smooth but the near the top there is some hair. Produces a milky liquid when leaves or stems are broken. Weed common to most of the United States. Seed reproduction.Important Info : Weed common to most of the United States. Seed reproduction.
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Size:Height: 0 ft. to 0 ft.
Width: 0 ft. to 0 ft.
Plant Category:annuals and biennials,
Plant Characteristics:low maintenance,
Bloomtime Range: Early Winter to Late Winter
USDA Hardiness Zone:2 to 10
AHS Heat Zone:Not defined for this plant
pH Range:Not defined for this plant
ProblemsWeeds : Preventing Weeds and Grass
Weeds rob your plants of water, nutrients and light. They can harbor pests and diseases. Before planting, remove weeds either by hand or by spraying an herbicide according to label directions. Another alternative is to lay plastic over the area for a couple of months to kill grass and weeds.
You may apply a pre-emergent herbicide prior to planting, but be sure that it is labeled for the plants you are wishing to grow. Existing beds may be spot sprayed with a nonselective herbicide, but be careful to shield those plants you do not want to kill. Non-selective means that it will kill everything it comes in contact with.
Mulch plants with a 3 inch layer of pinestraw, pulverized bark, or compost. Mulch conserves moisture, keeps weeds down, and makes it easier to pull when necessary.
Porous landscape or open weave fabric works too, allowing air and water to be exchanged.