Muscari comosum - Grape Hyacinth
Muscari comosum - Grape Hyacinth
Muscari comosum
Tassel Hyacinth, Tassel Grape Hyacinth
Out of 5 bulbs, 3 sprouted. The young plants were rather thin, but I hope they might just need a bit more time to establish themselves.
Gabryel, 15/06/2025
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Description
Muscari comosum, also known as Grape Hyacinth, is a beautiful and curious little bulbous plant, appreciated by gardeners for its spikes of small cream-brown bell-shaped flowers, topped with a lovely feathery tuft of filaments of deep blue to violet sterile flowers. It will work well in a rockery, along a path, or in a natural-looking flower bed. Hardy and easy to grow, it thrives in well-drained but fertile soil, in full sun.
Also called Clustered Hyacinth, Muscari comosum is a plant from the lily family, native to North America and central and southern Europe. The linear leaves, which resemble those of leeks, are linear and form an erect clump that reaches 15 cm (6in) high. In April-May, depending on the climate, curious inflorescences appear on long stems that can exceed 30 cm (12in) high. The lower part of the inflorescences consists of clusters of small cream-brown fertile bell-shaped flowers, while the upper part features filaments carrying sterile, deep blue to violet flowers, which are intense in the light. The terminal plume-like arrangement of these flowers is what gave this Muscari its common name. This bulb naturalises easily in light soil.
Plant Muscari comosum in mass plantings, in groups of about ten bulbs, for a carpet-like effect or along a path to achieve a decorative impact. They can also be randomly naturalised in a lawn and at the base of shrubs. They will greatly the well-drained soil of a rockery and the full sun it provides. Their flowering offers a beautiful range of blues, which will enhance the beauty of all other spring bulbs. They pair well with daffodils and wood anemones to create delicate scenes. Pink or white tulips are also good companions for their graceful flowers. In a nature-inspired garden, they need little maintenance, just like ornamental garlic, Verbascum, Stachys, wild chicory, or sainfoin.
Muscari comosum - Grape Hyacinth in pictures
Plant habit
Flowering
Foliage
Botanical data
Muscari
comosum
Asparagaceae
Tassel Hyacinth, Tassel Grape Hyacinth
Mediterranean
Planting and care
Muscari comosum is best planted in autumn, at a depth of 8 cm (3in) with a spacing of 7 cm (3in), in regular but well-drained soil, in full sun. In very heavy soils, add sand or even gravel when planting. Moist soil saturated with water causes diseases that are fatal to the plant. Divide the clumps every 5 years, in June when the leaves turn yellow.
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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