Iris Sharper Image - Tall Bearded Iris
Iris Sharper Image - Tall Bearded Iris
Iris germanica Sharper Image
German Iris, Bearded Iris
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This plant carries a 12 months recovery warranty
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Description
Iris 'Sharper Image' (TB) is a tall variety of bearded iris with large flowers between mid and late spring. They are perfectly balanced and illuminate flower beds with their immaculate snow white, barely speckled with pale lavender. The plant rapidly develops into lush clumps that flower in beds and borders for a few weeks.
Iris 'Sharper Image' is a rhizomatous, deciduous perennial plant, with vigorous upright clumps. It belongs to the Iridaceae family, like Crocus, Gladiolus, or Crocosmia. Iris germanica, commonly known as bearded or German iris, is probably the result of hybridization between different botanical species. It belongs to the bearded iris group (due to the fine crest present on the sepals) and is the most commonly grown in gardens.
Sharper Image is a tall variety that reaches 105 cm (41in) high when flowering, with a strong floral stem supported by a rhizome and bearing numerous flower buds. The clump spreads rapidly, becoming as wide as it is tall, or even wider, with the central rhizomes becoming bare in favour of the outer rhizomes. The foliage consists of long, slightly arched sword-shaped, glaucous green leaves, arranged in a fan. Large floral stems appear in April which bloom in May or June depending on the climate, with large flowers measuring 12-14 cm (5-6in) wide that open from the top to the lower branches. They are pure white and formed by 3 sepals that stretch almost horizontally, topped by 3 upright petals that hide the style (female reproductive part). The sepals have a short pastel lavender beard at their base, and their surface has wavy edges, the vertical petals are pleasantly crinkled. Their silky texture is particularly attractive and ornamental.
Obtained by Black in 2005.
Awards: Honorable Mention in 2007, Award of Merit in 2010.
Iris are easy to associate with other plants. Just keep in mind that you will need to divide the clumps every 3 or 4 years, so leave enough available space. By associating early-blooming Iris with Sharper Image, you can spread the flowering season over about 2 months, beyond that, the choice is endless. Oenothera speciosa 'Twilight' or Evening Primrose is a low-growing perennial happy in well-drained soils and sunny exposures that Iris love and from June to September, it produces pretty pale pink flowers that will take over from your Iris. Gaura, in its many varieties with small airy white, pink, or almost red flowers, will also be a perfect companion. Daylilies will also extend the flowering season, Amadeus is a very beautiful deep red variety that will spice up your mixed flower bed!
Flowering
Foliage
Plant habit
Botanical data
Iris
germanica
Sharper Image
Iridaceae
German Iris, Bearded Iris
Cultivar or hybrid
Planting and care
Do you have a very sunny location, dry in summer?
This is the ideal location for irises! In the shade, they grow but do not flower. They are hardy and do not need winter protection. Well-drained soil is perfect, even dry and chalky, or stony. Too much moisture in the soil promotes rhizome rot. Plant from July to September to give the rhizomes enough time to grow and develop new roots before winter. They should be planted as soon as they are purchased for the best results. Plan to divide the irises every 4 years or so to give them fresh soil and start over with new rhizomes. This prevents the clumps from thinning out in the centre. They are vigorous and require space to develop and flower well. Planted with a spacing appropriate for the size and vigour of the variety: about 34-50 cm (13-20in) for the tall ones. Always consider the direction of growth of the rhizomes by arranging them in a star shape, with buds and leaves facing outward, and spacing them well away from other varieties so they have room to grow.
Planting
Dig a hole that is wide and deep enough. Make a conical pile of soil in the hole and place the rhizome and spreading roots on top. Cover the roots. It is important that the rhizome is level with the surface of the soil. It should not be planted in a dip (risk of rot), so take into account that the soil will settle and the iris will sink. In clayey or damp soil, the rhizome can even be raised on a slight mound. To make the soil cling to the roots, lightly firm and water abundantly immediately after planting. Water 2-3 times if necessary until established.
Maintenance:
Keep the soil free of weeds by shallow hoeing, taking care not to damage the rhizomes or roots. Weeds shade the irises, retain moisture (rotting), and attract slugs. Similarly, remove dry leaves. If they are diseased (reddish-brown bordered spots of heterosporiosis), we recommend burning them. Remove faded flowers.
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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