Hosta tardiana Halcyon - Blue Hosta
Hosta tardiana Halcyon - Blue Hosta
Hosta tardiana Halcyon - Blue Hosta
Hosta tardiana Halcyon - Blue Hosta
Hosta tardiana Halcyon - Blue Hosta
Hosta tardiana Halcyon
Plantain Lily, Funkia
It established well; I planted it in autumn.
Chantal , 31/03/2026
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Description
The Hosta tardiana 'Halcyon' is a truly enchanting. This variety, also known as Funkia 'Halcyon', is one of the most famous blue cultivars. Its astonishing thick, grey-blue leaves, adorned with metallic reflections, create a striking decoration from spring to autumn. In July-August, it comes to life with clusters of perfectly matching ash mauve flowers. A medium sized plant and with relatively slow growth, the plant establishes itself slowly but surely and proves easy to succeed in cool soil. 'Halcyon' will undoubtedly bring a magical touch to the cool areas of the garden, planted with green or yellow foliage.
Hostas are deciduous perennial plants belonging to the family of liliaceae and hostaceae. The Hosta tardiana Halcyon is part of a hybrid line of funkias called 'tardiana'. This fertile hybrid obtained in 1986 is the remarkable result of cross-breeding between Hosta tardiflora and Hosta sieboldiana var. Elegans. Its qualities have also made it the parent of many recent cultivars. It is a long-lived plant with deciduous foliage of grey-blue until late summer. It has a rounded, heart-shaped, smooth surface and distinctive veins. The lamina is thick and measures up to 20 cm (7.9 in) in length. This dense foliage also resists attacks from gastropods. The flowering takes place in July-August in compact clusters of pale lavender bell-shaped flowers, pendulous, grouped towards the top of peduncles that can reach 55 cm (21.7 in) in height. This perennial spreads by stolons, similar to strawberries.
Native to China, Korea, and Japan, Hostas are very hardy plants. They are commonly found as ground cover under deciduous trees, in cool beds or rockeries, and borders, especially near ornamental ponds. The hybrid Hosta 'Halcyon' will associate well with shade-loving plants such as helxine, ferns, epimediums, and Claytonia sibirica, with which it forms beautiful colourful duos that require little maintenance. It also looks magnificent when planted alongside columbines, tall foxgloves, or small violets. All hostas grow well in pots and can remain in the same container for several years. A special geranium potting soil should be chosen and used during the growing season. As long as the foliage is not too dense, watering can be done from the top of the pot. Then, place a saucer under the pot and pour water into it, keeping the level constant in summer. Place the plant near plants with lighter leaves, such as Alchemilla, to highlight the blue foliage of' Halcyon'.
Hosta tardiana Halcyon - Blue Hosta in pictures
Flowering
Foliage
Plant habit
Botanical data
Hosta
tardiana
Halcyon
Asparagaceae
Plantain Lily, Funkia
Cultivar or hybrid
Planting and care
Hostas are planted in spring or autumn. Hostas prefer a deep, rich, humus-bearing, loose soil, preferably neutral to acidic (at least low in limestone), moist to wet throughout the year. Plant them in partial or dappled shade and sheltered from strong winds.
Prepare a planting hole of 20 cm (7.9 in) x 20 cm (7.9 in) x 20 cm (7.9 in). If your soil is heavy, mix equal parts of compost with crumbled soil, partially fill the hole, and place your potted plant so that the top of the root ball is covered with 3 cm (1.2 in) of soil. Adding a slow-release fertilizer will nourish your plant during its rooting period without the risk of burning. Make sure to position the base well above ground level. Firm the soil and water generously to eliminate air pockets. If the weather is dry, regular watering for a few weeks will help to establish your plant. Also, water regularly in case of a dry summer.
With their preference for moist areas, slugs and snails never stray far from hostas. Even though blue or variegated hostas often have thicker and tougher foliage, which is less appealing to slugs, these plants still need gastropod protection. Protect your Hostas by surrounding them with ferramol-based pellets, eggshells, coffee grounds, mulch, or any dry, rough natural substance that repels them. Hedgehogs are the best allies of gardeners in the fight against gastropods because, unlike chickens, they do not till the soil and do not attack the tender green shoots of young plants. Finally, a natural way to repel slugs and snails is to have companion plants with a repulsive odour, such as wormwood and garlic.
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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