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Pennsylvania smartweed is a summer annual. The stems are smooth, reddish purple with swollen nodes, with alternating leaves. The leaves are lanceolate with a red water mark. The growth habit is erect with multiple branching. The flower of Pennsylvania smartweed are bright pink and bloom from July to October. The individual flowers are small and form dense spike-like clusters on hairy stems. |
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| Integrated Pest Management Control Recommendations: |
Cultural Practices:
Pennsylvania smartweed may be physically removed. Frequent mowing and
improved drainage will also assist in preventing infestation. Use of good
turf management programs, including a sound fertilization program, to
form dense stands of turf grass may also keep this weed from establishing.
Herbicide Use:
Make your postemergent herbicide application to Pennsylvania smartweed
that is actively growing and in the seedling to flower stage of growth.
University Links | Gordon's Recommendations | Germination Dates
