Persicaria runcinata Needhams Form - Knotweed
Persicaria runcinata Needhams Form - Knotweed
Persicaria runcinata Needham's Form
Knotweed
The plants arrived upside down in the box, and this one is very weak. I don't know if it will recover...
karine, 11/03/2024
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This plant carries a 12 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
The Persicaria runcinata Needham's Form is a beautiful perennial that forms globular, bright pink flowers which bloom from July and continue until the first frosts.
This small perennial knotweed forms a lightly spreading mat without becoming invasive. A single plant forms a mat of about 1m² in 5 to 6 years, composed of prostrate stems, as thin as wire, bearing small, unique leaves in the genus, light green, 1.5 to 2.5 cm (1in) long, lobed to the central vein into 5 to 7 rounded lobes, somewhat similar to oak leaves. The foliage is almost evergreen when the winter is not too severe. The flowers of the Persicaria Needham's Form are tiny, bright pink, gathered in small spherical heads 1 cm (0in) wide, at the end of upright stems and continue over a very long period.
Very cold-resistant, Persicaria runcinata 'Needham's Form' grows in all exposures, as long as the soil is moist and rich. It is worth noting that it tolerates heavy and wet soils very well. The name of this plant (Persicaria runcinata 'Needham's Form') introduced by John Carter in the 1990s does not seem correct to us, nor does the name P. runciformis described in the book Perennials by Martyn Rix, it would appear that this Himalayan plant is a natural hybrid between Persicaria sinuata and Persicaria runcinata.
Persicaria runcinata Needhams Form - Knotweed in pictures
Flowering
Foliage
Plant habit
Botanical data
Persicaria
runcinata
Needham's Form
Polygonaceae
Knotweed
Himalayas
Planting and care
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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