How to grow Virginia Knotweed

Persicaria virginiana

Partial Sun
OR
Dappled Sun
Medium

Grows best in moisture and part shade to form large spreading clumps of late flowering tall flowers. It is best to choose a situation that is not exposed to wind.
Divide clumps in spring or late autumn
Usually trouble free

Growing Virginia knotweed from seed

Can be grown from seed but it easier and quicker to divide an established clump, or take cuttings from non flowering shoots

Transplanting Virginia knotweed

Choose part shade, moist soil, protect from wind

As Virginia knotweed is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

How long does Virginia knotweed take to grow?

These estimates for how long Virginia knotweed takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

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Virginia knotweed Etymology

‘Virginiana’ refers to Virginia USA from where it originated

Other names for Virginia knotweed

Painter's palette, Jumpseed

Tovara virginiana