Garden Dilemmas, Delights & Discoveries
Sep 27, 2026 · 17 min · 9 segments
To weed or not to weed knotweed? An afternoon of weeding in a client's garden leads Mary to an unexpected dilemma—and a deeper dive into this beautiful but notoriously difficult invasive plant. Mary…
Mary StoneHost
In September 2018, I wrote a column called September Roadside Beauties, when I admired the showy white lacy flowers while acknowledging its aggressive ways.

Though shrub-like, it isn't woody, but a hefty herbaceous perennial in the buckwheat family.

They say it tastes like very sour rhubarb, and you have to be dumb as a donkey to eat it.

We can't blame an animal for digging in its heels to protect itself, however, can we? Showy sprays of white flowers cover the colonizing plants from late summer into fall.

You should hear the sound of the insects spinning around on those beautiful lacy flowers.

Four years after writing that first story, I came upon my new neighbor, Susan, fervently pulling knotweed from the construction site of the home she and her husband were building.

Susan pulled and pulled, determined to rid the property of the colony that I once admired along the roadside.

In September 2018, I wrote a column called September Roadside Beauties, when I admired the showy white lacy flowers while acknowledging its aggressive ways.

Though shrub-like, it isn't woody, but a hefty herbaceous perennial in the buckwheat family.

They say it tastes like very sour rhubarb, and you have to be dumb as a donkey to eat it.

We can't blame an animal for digging in its heels to protect itself, however, can we? Showy sprays of white flowers cover the colonizing plants from late summer into fall.

You should hear the sound of the insects spinning around on those beautiful lacy flowers.

Four years after writing that first story, I came upon my new neighbor, Susan, fervently pulling knotweed from the construction site of the home she and her husband were building.

Susan pulled and pulled, determined to rid the property of the colony that I once admired along the roadside.
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