Calla Denver
Calla Denver
Calla elliottiana x rehmannii Denver
Calla lily, Arum lily
Quite disappointed, the arums are not bi-colored in pink and white but solid purple. It's not what I had ordered.
Céline , 08/11/2024
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Available in 3 sizes
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Available in 2 sizes
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Available in 2 sizes
This plant carries a 6 months recovery warranty
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We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
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Description
Zantedeschia ‘Denver’ is a variety of florist's arum with summer flowers that reveal a beautiful colour gradient ranging from violet-pink to white veined with green. This clump of dark green upright leaves speckled with white will find its place in a border or in a pot, especially in colder regions. This moderately hardy tuberous plant appreciates warmth. It prefers moist, rich soil to establish itself. Its flowers are magnificent in a bouquet.
Calla ‘Denver’ is one of the many hybrids obtained by cross-breeding between two main species native to eastern and southern Africa, Zantedeschia rehmannii and Z. elliottiana. It forms a clump about 60cm (24in) tall, composed of large sagittate leaves that stand upright. Dark green, they are speckled with white. Typical of arums, the spathe flower measures 7 to 7.5cm (3in) in diameter and 10 to 11cm (4in) in height. It hides a golden yellow spadix in its centre. The flowers of the 'Denver' variety have a colour gradient from top to bottom, going from dark violet-pink to white, veined with green at the base of the stem. The stem is tall and sturdy, ideal for cut flowers.
Calla flowers are highly appreciated by florists who often use them in their arrangements and bouquets. In the garden, Zantedeschia ‘Denver’ is particularly suitable for pot cultivation, especially in cold climates. In warm regions, it is possible to plant it in a border in moist soil. Combine it with other florist's arums to create colourful and diverse bouquets. Consider Zantedeschia ‘Crystal Blush’ with white-pink flowers, or Z. 'Captain Marbella’ with cream-white flowers.
Plant habit
Flowering
Foliage
Botanical data
Calla
elliottiana x rehmannii
Denver
Araceae
Calla lily, Arum lily
Cultivar or hybrid
Planting and care
Plant your Calla 'Denver' bulbs in spring (March-April) at a depth of 12cm (5in), spaced 15cm (6in) apart, in moist soil, in full sun or partial shade. Apply organic fertiliser at planting and at least once a year. Growing in a large pot is possible, and even recommended in colder regions. Ensure regular watering to keep the soil moist, with fertiliser every two months when the plant is in growth. In the ground, mulch them before the first frost. In a pot, store them during winter. You can cut the foliage after the first frost.
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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