Allium & Iris collection from Holland
Allium & Iris collection from Holland
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Description
This Allium & Iris Collection from Holland combines the bright and elegant flowering of White Excelsior Dutch irises, pure white with a small golden yellow signal, with the huge pink-violet pompom-like floral heads of the ornamental garlic Globemaster. Plant your bulbs in a sunny flower bed or in a large pot on the terrace. Flowering in May-June.
This collection is composed of:
- 15x Iris hollandica 'White Excelsior': this 55cm (22in) tall Dutch iris offers a flower of pure white, highlighted by a small golden yellow spot on the sepals.
- 3x Allium Globemaster: this famous variety reaches a height of 80-90cm (32-35in) and offers large, perfectly round flowers in a deep mauve-pink colour, measuring up to 15cm (6in) in diameter. It multiplies over the years in well-drained soil and full sun.
Labeled separately
Less known and less used by gardeners than German irises, Dutch irises are nevertheless easy to grow in fertile and light soil, with undeniable elegance, but also indifferent to wild grasses that struggle to infiltrate their very vertical clumps. They come back year after year to offer you more and more elegant and joyful flowers, which go particularly well with ornamental garlic. Pick their flowers to make bouquets, add roses, arums or lilies or even late tulips. All irises and ornamental garlics need a sunny exposure to flower well. Give them at least half a day of full sun per day.
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Plant habit
Flowering
Foliage
Botanical data
Cultivar or hybrid
Planting and care
Plant your bulbs as soon as possible in a well-drained soil. Loosen the soil deeply, add compost and gravel if necessary in heavy soils. Plant at a depth of 10cm (4in) (Bulbs should be covered with twice their height of soil). Space the bulbs a few cm apart, making sure they do not touch each other. Choose a very sunny exposure for better flowering. After flowering, cut the flower stalks and let the leaves dry completely before cutting them back.
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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.
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