Persicaria Species, Big Seeded Smartweed, Pennsylvania Smartweed, Pink Knotweed, Pinkweed
Persicariapensylvanica
Synonym
Persicaria
pensylvanica var. laevigata
Polygonum
pensylvanicum
Polygonum pensylvanicum is native to the U.S. and I can't get enough of the beautiful flowers, so it's a positive in my book.
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I thought these were pretty when they showed up in one area, so I let them stay. Big mistake--now I am pulling them up everywhere! If you...Read More
I like to find this weed when it's flowering in local fields. When the flowers are at the pink stage I clip a big bunch to use in dried f...Read More
Me no likey.
This plant is a pest in recently disturbed earth, which means any new gardens or freshly dug up gardens.
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This native annual plant is 1-4' tall, branching occasionally. It is more or less erect, often bending toward the light in partially sha...Read More
An invasive weed that has the ability to reproduce itself from even the tiniest bit of stem. It grows in cultivated fields, gardens and d...Read More