Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon hybrida Raven - Beardtongue
Penstemon x hybrida Raven
Bellflower Beardtongue, Canterbury Bells Penstemon
3 young plants arrived in great condition, already tall and leafy, I'm waiting for April to plant them.
Mathilde, 21/03/2022
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Description
The Penstemon 'Raven' is a floriferous and robust beardtongue with unusually coloured flowering. Reaching over 80 cm (32in) in height, it produces on long sturdy stems an abundance of large campanulate flowers in a deep purple-purplish hue, accentuated by a white throat striped with dark red. This perennial may not be the hardiest, but it blooms profusely from summer to autumn, enhancing all shades of acid green and violet, both in borders and in bouquets. The Royal Horticultural Society has awarded this variety in the UK.
The hybrid Penstemon 'Raven' is a bushy and woody perennial plant belonging to the family of Scrophulariaceae, just like foxgloves and snapdragons. Like many hybrid penstemons, it is the result of cross-breeding several species, mostly originating from Central and North America. This variety quickly forms large upright and generous clumps, sometimes reaching 1 m (3ft) in height, with a minimum diameter of 60 cm (24in). Its green stems, sometimes slightly purplish, are ramified and covered with abundant, lanceolate, semi-evergreen foliage of a vibrant green. The flowering period extends from June to September-October, provided that faded flowers are regularly removed. The flowers develop at the terminal part of the leafy stems. The trailing flowers, shaped like bell-shaped campanulas and measuring 4.5 cm (2in) in length, are gathered in slightly loose clusters. They boast a particularly rich colour, a very intense purple verging on purple, surrounding a throat striped with very dark red.
The 'Raven' beardtongue is best used in borders, due to its large size, among perennials such as agapanthus, caryopteris, purple or violet dahlias, or mixed with annuals such as love-in-a-mist and cosmos. It pairs particularly well with the acidic green tones of lady's mantle and euphorbias. It also performs very well in a large pot, with proper drainage and regular fertiliser. Penstemons also make excellent cut flowers.
Penstemon hybrida Raven - Beardtongue in pictures
Flowering
Foliage
Plant habit
Botanical data
Penstemon
x hybrida
Raven
Scrophulariaceae (Plantaginaceae)
Bellflower Beardtongue, Canterbury Bells Penstemon
Cultivar or hybrid
Planting and care
Penstemon 'Raven' is not very hardy and cannot tolerate temperatures below -10°C (14°F), unless the soil is well-drained in winter and the stump is covered with a thick layer of leaves or straw. To grow hybrid penstemons successfully, it's important to have good soil that's rich, not too dry in summer, but drains well, especially in winter. If the soil is too wet, the plants can rot quickly.
In cool climates, place the plants in a warm and sunny spot that's shielded from cold winds, preferably facing south or west. In hot climates, choose a semi-shaded location that's rather cool. In very cold regions, take stem cuttings in autumn. Penstemons don't suffer from any specific diseases and require minimal maintenance. When removing faded flowers in autumn, it's important to slightly shorten the deflowered stems without cutting them down to the ground. This is particularly important in regions with humid winters since the foliage plays an important role in regulating humidity.
Wait until spring (March-April) to shorten the branches whose foliage has been damaged by the cold. If summer is dry, water the plants regularly to support flowering. Cover the base with glass or a frame to protect it from severe cold in the coldest regions. Penstemons should be divided every three or four years in the spring to rejuvenate them.
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).
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 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.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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