Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipa Blue Diamond
Tulipe Groupe Double tardive
Lovely tulip with an attractive colour – all the bulbs have come up. It’s worth noting that, for a late flowering variety, it was actually the first of all my spring bulbs to open, as early as the second half of March, which is not a problem for me at all.
Apolline, 26/03/2026
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Description
The Late Double Tulip 'Blue Diamond' is a marvel, a real gem for spring borders. Its very double flower, a little nonchalant, evokes with its magnificent curves a peony or a rose. Its colour, somewhat unpredictable, probably depending on the soil it grows in, is a mix of purple-pink, mauve, and lilac, with sometimes a touch of blue. The stem is short and sturdy, it flowers for a long time, at the same time as the 'Angelic' and 'Mount Tacoma' tulips, with which it creates a beautiful watercolour.
The 'Blue Diamond' Tulip belongs to the Liliaceae family. Of horticultural origin, obtained in 1962 in the Netherlands, it is currently classified in the group of 'Late Double Tulips', whose main characteristic is to have very double and ruffled flowers. 'Blue Diamond' is not very tall (30-40 cm (12-16in)) and its flower is of a good size, double and well-arranged. It shows excellent durability. Its palette of fresh colours includes shades of pink, purple, mauve, lilac. The original shape of the tulip brings an additional charm, it is a real favorite, especially when its buds slowly open in a vase, almost ceremoniously. The flowering starts very early, in April, and lasts relatively late, until May, when other tulips have already faded long ago.
With varied, tender or vibrant colours, opulent and naive flowers, late double tulips are unrivaled for bringing fantasy to pots or sunny gardens, alongside the most beautiful spring blooms or dark tulips like 'Queen of the Night'. Don't forget to consider the height and flowering period when designing your borders, as these parameters can vary significantly from one cultivar to another. It is wise to plant a few more bulbs for cutting, as they make superb long-lasting flowers in a vase, and that is where the flowers of 'Blue Diamond' will bring the greatest satisfaction.
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Tulipa Blue Diamond in pictures
Plant habit
Flowering
Foliage
Botanical data
Tulipa
Blue Diamond
Liliaceae
Tulipe Groupe Double tardive
Cultivar or hybrid
Planting and care
Plant your 'Blue Diamond' tulips in a well-drained soil. Loosen the soil deeply. Plant at a depth of 15 cm (6in) (Bulbs should be covered with twice their height of soil). Space the bulbs about ten centimetres apart or in clumps, making sure they do not touch each other. Choose a sunny exposure for better flowering. After flowering, cut the flower stalks and allow the leaves to dry completely before cutting them. After flowering, their foliage becomes unsightly and wilted, so we recommend planting Heucheras, Tiarellas, Brunneras, Bleeding Hearts, Cypress Spurge, in the foreground of your flower beds, their foliage will enhance the colours of your tulips and during the season, they will elegantly conceal their yellowed leaves.
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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