Geranium himalayense Irish Blue
Geranium himalayense Irish Blue
Geranium himalayense Irish Blue
Geranium himalayense Irish Blue
Himalayan Cranesbill, Hardy Geranium
Very good packaging. All the young plants were of good quality, but as I have just planted them, I am waiting for them to start growing again.
Michel, 08/02/2023
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Description
The perennial Geranium 'Irish Blue' is an old selection of Himalayan Geranium that bears flowers in summer, and more sporadically in autumn, of a lighter blue than the type species, becoming purple-pink towards the centre, illuminated by a white heart. This vigorous plant forms beautiful dense and spreading cushions, with finely cut foliage and marked veins. It is excellent ground cover and a charming plant, slowly spreading thanks to its underground rhizomes. It elegantly withstands the winter cold and occasional drought, showing little demand regarding soil type.
Geranium himalayense belongs to the Geraniaceae family. It is native to the Himalayan mountains. The cultivar 'Irish Blue' was discovered in 1947 in Ireland by the famous horticulturist Graham Thomas. It forms a wide and dense cushion, with a regular dome shape, reaching a height of 40 cm (16in) and a diameter of 60 cm (24in). Flowering starts at the end of May, peaks in June, continues into July, and slows down in August. From September to October, the flowers appear sporadically, depending on the climate. The clustered flowers are round, open cups measuring 5 cm (2in) in diameter, of a beautiful light blue washed with mauve, with a white heart surrounded by a pink-purple zone. The overall effect is fresh and bright. The deciduous foliage is composed of large velvety leaves with prominent veins, medium green in colour, measuring 5 to 20 cm (2 to 8in) long including the petiole. The plant has a quite specific root system, with a central and single taproot, and a few large fibrous secondary roots.
Like many of its relatives, the Himalayan Geranium is well-suited to natural gardens, providing a source of food for numerous insects such as butterflies and bees. It is therefore an ideal plant for cottage gardens, rockeries, and borders. It also pairs well with old roses and peonies. Combine it with a silvery carpet of Cerastium tomentosum, or with creeping bugleweed with purple foliage - these simple plants will enhance its dome of flowers. It also grows well in large pots, with regular watering and fertilising.
Geranium himalayense Irish Blue in pictures
Flowering
Foliage
Plant habit
Botanical data
Geranium
himalayense
Irish Blue
Geraniaceae
Himalayan Cranesbill, Hardy Geranium
Cultivar or hybrid
Planting and care
This perennial geranium enjoys full but never scorching sun, or partial or light shade. Install it in ordinary, moist, humus-bearing soil that is not too acidic and well-drained. In clay soil, it is preferable to lighten with coarse sand or leaf compost. It dislikes waterlogged soil when young, particularly in winter. This species tolerates occasional periods of drought, which will halt flowering. Plant it early in spring or in autumn. Water regularly to help the young plants establish. You can regularly cut off faded flowers to encourage reblooming. Divide the clumps every three years, also in spring. This easy-going plant requires little maintenance.
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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