When can you divide Persicaria?
Divide mature herbaceous clumps in early autumn or late winter. Sow the seed under glass in spring and grow-on until large enough to plant out in late summer.
Can you divide Persicaria?
Grow Persicaria affinis in full sun to partial shade, in moisture retentive soil. Cut back after flowering and divide congested clumps every three years.
How do you propagate fleece flowers?
Propagating the Giant Fleece Flower You can multiply your giant fleece flower stockpile by propagation or division. Depending on your preference, you may find yourself working in different seasons—the plant should be propagated by division in the spring or fall, and propagated by seed in the spring.
Will Persicaria grow in shade?
Persicaria amplexicaulis and its many cultivars will tolerate a wide range of soils in sun or light shade, and look wonderful with grasses. It will also tolerate some shade; the cultivar ‘Fens Ruby’ looks particularly good next to dusky hellebores.
How do you transplant Persicaria?
Dividing/Transplanting: Divide large clumps in spring; plant crowns at soil level. End-of-Season Care: Cut down and remove top growth. After the ground freezes, protect plants during their first winter with a 4-6in layer of oak leaves, pine boughs, or straw. Early Spring: Gradually remove winter cover.
How do you grow Persicaria polymorpha?
Planting: Persicaria tolerates pretty much any kind of soil, but does best rich, fairly moist soil. Well-established plants are fully drought resistant. Flowering is more abundant in sun or partial shade, but it will grow well and flower modestly in the shade.
Should I deadhead Persicaria?
To extend the flowering season regularly deadhead faded spikes. If you wish you can shear the foliage down to ground level after the first flush of flowers, this procedure will often produce a fresh crop of leaves and encourage the plant/s to bear a second crop of flowers in late summer.
What conditions does Persicaria like?
From 30cm to 2.5m, Persicaria have a general preference for rich soil and sun, with a few exceptions, but most species are adaptable. 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.
Is Fleeceflower invasive?
Feel free to choose great white fleece flower (Persicaria polymorpha), also known as giant fleece flower, because it is not invasive. But it is exceptionally showy, growing 4 to 5 feet tall and topped with massive, white, fluffy flower clusters for 8 weeks or more in midsummer.
What goes well with Persicaria?
The clump forming herbaceous species, Persicaria bistorta and Persicaria amplexicaulis are exellent border plants that mix very well with the wide range of Hardy Geraniums and Ornamental Grasses that we grow.
How tall does fleece flower grow?
five feet tall
Horticultural Program Persicaria polymorpha, also known as white fleece flower looks like a shrub but it grows like a herbaceous perennial, dying back to the ground in winter. However, it makes up for it by quickly growing upwards of five feet tall and almost as wide the following season.
How tall does a Persicaria polymorpha plant get?
Persicaria polymorpha is a shrubby, clump-forming perennial featuring plumes (panacled racemes) of creamy white flowers reminiscent of goat’s beard ( Aruncus dioecus) which bloom throughout the summer atop leafy stems typically rising 3-5′ (less frequently to 6′) tall.
What kind of soil does a Persicaria plant need?
Easily grown in average, medium, well-drained soils in full sun. Prefers moist soils. Tolerant of heat, humidity and, once established, some drought. Not considered to be too aggressive as are some other species of Polygonum and Persicaria.
Where did the name polymorpha knotweed come from?
Synonymous with and sometimes sold as Polygonum polymorphum. Commonly known as knotweed or giant fleeceflower. Genus name comes from the Latin persica meaning peach-like and sagittata meaning barbed or arrow-shaped in reference to the shape of the leaves. Specific epithet means variable or of many forms.