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Anybody know what this is?


Well-Known Member
5 Year Member
May 29, 2014
Location (City and/or State)
Glenn Dale, Maryland, USA
See if this is it..


Polygonum pensylvanicum

Life cycle: summer annual

Growth habit: grows from 1 to 4 ft. tall; leaves alternate, lanceolate, smooth margins, sometimes with a purplish thumbprint marking the 2 to 3 in. leaf; conspicuous ocrea surrounding point where petiole meets stem
Reproduction: seeds from pink flowers in the spike-like clusters
Conditions that favor growth: common weed of nursery crops and landscapes; rarely a problem in turfgrass; tolerates a range of soil types and conditions
Cultural control: Remove young plants before flowers form