Is persicaria invasive?
Although Persicarias have a reputation of being invasive, they do have value in the garden if you have the space. They will grow on almost any soil and in sun or shade, flowering for a long period in varying shapes and shades of red, pink and white.
Is persicaria Bistorta invasive?
Persicaria bistorta Description This fast growing, often invasive perennial produces attractive clumps of green foliage, throwing up spikes of pink flowers throughout the summer. Good for low maintenance woodland planting / difficult areas.
Is persicaria Hardy?
Persicaria hardiness Most species are hardy to -20ºC with a hardiness rating of RHS H6 to H7, and are generally suitable for gardens within USDA zones 4a to 8b.
Are persicaria perennial?
Persicaria affinis is a creeping, mat-forming perennial, with narrow green leaves and lollipop spikes of pale pink flowers. Semi-evergreen, it makes a fine choice for using as ground cover in a mixed herbaceous border, and its blooms are popular with pollinators.
Is persicaria Bistorta toxic to dogs?
Persicaria ‘Superba’ has no toxic effects reported.
Is Persicaria a knotweed?
Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds or smartweeds. It has a cosmopolitan distribution, with species occurring nearly worldwide. The genus was segregated from Polygonum.
Should Persicaria be cut back?
Care Cut them right back to the ground when the leaves die back, although if the foliage is left until spring it will provide a good hiding place for overwintering creatures.
Is Polygonum the same as Persicaria?
Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. The genus was segregated from Polygonum.
What is Persicaria used for?
This Persicaria is perfect for cutting and admirable in the border with Digitalis ‘Snow Thimble’, while its clump-forming base can easily be divided every few years. Size: 2′ 0″ high x 2′ 0″ wide.
What does Persicaria look like?
Dashing, large pointed textural foliage is loosely arranged on numerous staunch, upright jointed stems. With a reliable saucy stance plus sumptuous enduring flowers, this strong growing Persicaria can be positioned right up front and superimposed against white-flowering Verbascum ‘Flush of White’, where it easily turns heads until the season’s end.
Is there a dwarf Persicaria amplexicaulis?
A leafy dwarf form of Persicaria amplexicaulis, this low growing cultivar has narrow foliage, crimson tapers and a refined appearance. It makes a perfect understory for late blooming Hydrangea ‘Unique’.