Penstemon hybrida Polaris Rose - Beardtongue
Penstemon hybrida Polaris Rose - Beardtongue
Penstemon x hybrida Polaris Rose
Bellflower Beardtongue, Canterbury Bells Penstemon
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This plant carries a 12 months recovery warranty
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Description
The 'Polaris Rose' hybrid Penstemon, like all the plants in the Polaris series, offers flowers with very vibrant and particularly abundant colors. The bright pink campanulate corollas with white throat of this variety are gathered in dense clusters and carried by sturdy stems that do not sag under their weight. This bushy perennial is certainly not the hardiest, but it tolerates drought and adapts to ordinary soil. Brilliant in summer borders or planted in large containers, it is also a wonderful cut flower.
The 'Polaris Rose' Penstemon is a bushy and woody perennial plant belonging to the scrophulariaceae family, 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 forms beautiful upright and compact clumps measuring 40 cm (16in) to 50 cm (20in) in all directions, with ramified stems covered in abundant lanceolate green foliage. Its growth is quite rapid. The flowering period extends from June to August, developing on the terminal part of leafy stems. The bicolored flowers, in the shape of large campanulate bells, are gathered in tight clusters. They display a pure white color, widely bordered with medium pink, barely tinged with mauve, very vibrant. The flowers of this variety are sterile.
The 'Polaris Rose' penstemon is used in borders or as an edging plant, among perennials such as agapanthus, caryopteris, Rhodoanthemum hosimariensis, and Cape daisies, or mixed with annuals such as love-in-a-mist. It will mingle among the rocks in rockeries (in not too chalky soil) with cotton lavenders, rock roses, or wormwoods. It also performs very well in pots, with proper drainage and regular fertilizer application. Penstemons also make excellent cut flowers.
Penstemon hybrida Polaris Rose - Beardtongue in pictures
Flowering
Foliage
Plant habit
Botanical data
Penstemon
x hybrida
Polaris Rose
Scrophulariaceae (Plantaginaceae)
Bellflower Beardtongue, Canterbury Bells Penstemon
Cultivar or hybrid
Planting and care
Penstemon 'Polaris Rose' is not very resilient and can't survive temperatures lower than -7°C (19.4°F) to -10°C (14°F), unless the soil is well-drained in winter, and the base is protected with a thick layer of leaves or straw. To grow hybrid penstemons successfully, it's crucial to have rich, cool to dry, and well-drained soil, especially during winter. They don't like overly wet soils. In cool climates, put the plants in a warm, sunny spot sheltered from cold winds (south or west exposure). In hot climates, choose a semi-shady spot. In very cold regions, it's best to take stem cuttings in autumn. Penstemons don't get specific diseases and don't need much care. When removing faded flowers in autumn, slightly shorten the deflowered stems without cutting them down to the ground, especially in regions where winters are humid. The foliage plays an important role in moisture regulation. Wait until spring (March-April) to shorten branches whose leaves have been damaged by the cold. Water regularly during dry summers to encourage flowering. In colder climates, cover the base with glass or a frame to protect it from severe cold. To rejuvenate them, divide your penstemons every three or four years, but wait until spring to do it.
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).
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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.