Persicaria amplexicaulis 'Speciosa' - Knotweed
Persicaria amplexicaulis 'Speciosa' - Knotweed
Persicaria amplexicaulis 'Speciosa' - Knotweed
Persicaria amplexicaulis 'Speciosa' - Knotweed
Persicaria amplexicaulis 'Speciosa' - Knotweed
Persicaria amplexicaulis 'Speciosa'
Red Bistort, Mountain Fleece
CATASTROPHIC A SHAME EVERYTHING ARRIVED BROKEN WET CARDBOARD PACKAGING SOAKED IMPOSSIBLE TO SORT I ORDERED 192EUR OF PERSICARIA VERONICASTRUM STACHYS AND OTHERS YOU ARE A SHAME and I didn't give 5 stars it's done by default too what a shame
Omar, 17/02/2023
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Description
The Persicaria amplexicaulis Speciosa is adorned from summer to autumn with numerous thick spikes of flowers, in a lovely shade of carmine pink in late summer and autumn. This perennial forms a vigorous clump, both tall and dense, with oval or heart-shaped green foliage that takes on beautiful colors in autumn. Easy to grow in any well-drained but moist soil, in full sun or partial shade in flower beds or near water sources.
The Persicaria amplexicaulis 'Speciosa' is a plant of the family Polygonaceae. It is a perennial that is more or less evergreen in winter, depending on the climate, and quickly forms a clump of 1 meter (3 feet) in all directions. This plant spreads more or less slowly, depending on the soil fertility, and can form imposing clumps. Very floriferous, this knotweed produces many spikes, 7 to 10 cm (3 to 4in) long and 2 to 3 cm (1in) wide, composed of small flowers that are carmine red in buds and become a little more pink when they bloom. The flowering is continuous throughout the summer, from July to September, if the soil does not dry out too much. The semi-evergreen leaves, carried by sturdy stems, are lanceolate to cordate in shape, measuring 15 to 25 cm (6 to 10in) long, and are embracing at the base. Their color is medium to dark green, they are villous on the underside and turn yellow-orange in autumn.
Very trendy, this knotweed with its highly decorative flowering fits perfectly in contemporary gardens as well as in wilder environments and forms superb autumn scenes with grasses. Thanks to its spreading habit, it can be used as a ground cover, making sure to leave enough space for it. This knotweed appreciates both sun and partial shade. It likes rich and heavy, moist or even very wet soils and can be cultivated independently on sunny pond banks and even in a fresh and partially shaded understory at the base of trees.
Persicaria amplexicaulis 'Speciosa' - Knotweed in pictures
Flowering
Foliage
Plant habit
Botanical data
Persicaria
amplexicaulis
'Speciosa'
Polygonaceae
Red Bistort, Mountain Fleece
Cultivar or hybrid
Planting and care
The Persicaria amplexicaulis 'Superba' thrives in sunny or semi-shady exposure. It is a very easy plant to grow, it even tolerates moderate drought if the receiving soil is deep and clayey. Plant it in any type of soil, but preferably fresh and rich in compost or humus, in spring or autumn, in groups to create a mass effect. Enrich the soil with organic fertilizer at the start of growth, as it is a voracious plant. Control its growth so that it does not harm neighboring plants. Mulch the soil in June in regions where the summer is hot and dry, water if necessary. Divide the clumps in October every three years, and replant the plants in another part of the garden.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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