What is this plant?

Asked October 5, 2017, 10:28 AM EDT

I keep seeing this plant on the U of MN West Bank campus. It is growing on a south facing wall. It seems to be a cross between a low growing shrub and a woody vine. It reminds me of a climbing hydrangea, but it doesn't really cling to the wall with sticky tendrils. It is blossoming now, October 4. The blossoms are pink. The biggest leaves are 2 1/2 to 3 inches long, roundish with a slightly heart shape at the tip.

Hennepin County Minnesota

2 Responses

The plants in the photo are a variety of Japanese knotweed, also known as Mexican bamboo (Fallopia japonica). Flower color varies from white to pink.

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Thank you! After your help in getting on the right track, I see that it is a variety of Japanese knotweed,
Dwarf Japanese Knotweed, var. compacta
Thank you!