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Iris Full Impact - Bearded iris

Iris germanica Full Impact
German Iris, Bearded Iris

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This Bearded Iris is an intermediate variety with long-lasting flowering and moderately sized flowers, on a 70 cm tall young plant. The wavy flowers are a deep blue-violet, illuminated by white beards surrounded by a pure white spot.
Height at maturity
70 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Dry soil, Moist soil
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Best planting time August to September
Recommended planting time February to March, July to October
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Flowering time May to June
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Description

'Iris 'Full Impact' is a variety of tall bearded iris, with a remarkable depth of colour and moderate-sized flowers. The wavy petals and sepals are dark blue-violet and have a beautiful density. The base is marked with a very white and contrasting area around white beards. This medium-sized iris produces its flowers in harmony with the foliage, between the beginning and the end of the season, with a long-lasting flowering.

The 'Full Impact' Iris is a rhizomatous and deciduous perennial plant, with an upright habit. It belongs to the Iridaceae family. It is one of the many cultivars obtained over centuries, whose controversial origin is debated around the number of chromosomes of potential ancestors. It should be noted that Bearded Irises have European origins.

'Full Impact' is an intermediate-sized variety, reaching a height of 70 cm when in bloom, with a sturdy stem supported by rhizomes, bearing several flower buds. The clump will spread rapidly, with no theoretical limit over time, as the central rhizomes become bare in favour of the outer rhizomes. The foliage consists of long, glaucous, and heavily veined sword-shaped leaves. In April, floral stems appear, which will give flowers in May, opening from the top down. The powerful and deep colour of this plant is, as always with Bearded Irises, enhanced by the silky texture of the petals and sepals.

Obtained by Schreiner in 2001. Award: Honorable Mention in 2003

To accompany irises, choose plants that have similar soil and exposure requirements. Opt for low-growing species or those with light foliage, which do not obstruct the light needed by the irises and do not compete with them, while offering staggered or non-staggered flowering. For example, Gaura maintains visual appeal throughout the summer and hides the foliage of the Iris after flowering. California Poppies and love-in-a-mist, which tolerate dry soil, go well with the needs of irises. Perennial geraniums, salvias, and Libertias are also good companions that extend the flowering period. At the base of a wall, the relative shelter from the wind allows for the use of tall irises. If you are concerned about climatic uncertainties, choose intermediate iris varieties, which have better resistance to wind and rain. Slopes, the base of small trees with light foliage, and terraced edges will be stabilised by a dense planting of old varieties that can remain in place and require little care.

The vegetable garden can be enhanced with a few clumps or borders of irises for cut flowers.

 

Flowering

Flower colour violet
Flowering time May to June

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 70 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Iris

Species

germanica

Cultivar

Full Impact

Family

Iridaceae

Other common names

German Iris, Bearded Iris

Origin

Cultivar or hybrid

Planting and care

Do you have a very sunny location, rather dry in summer?
This is the ideal location for planting irises like 'Full Impact'! In the shade, they grow but do not flower. They are hardy and do not need winter protection. Well-drained soil is perfect, even if it is rather dry and chalky, or even stony. Soil that is too wet promotes rhizome rot. Plant from July to September. This allows the rhizomes to grow sufficiently before being dug up, and then to grow new roots before winter. They should be planted as soon as they are purchased for best results. Plan to divide the irises every 4 years or so to give them fresh soil. They have vigorous growth and require space to develop and flower well. Plant with spacing appropriate to the size and vigour of the variety: about 34-50 cm for tall ones (5 to 10 plants per square metre). 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 from other varieties so they have room to grow.

Planting

Dig a hole that is wide and deep enough. Make a conical mound of soil on which to place the rootstock and spreading roots. Cover the roots. It is important that the rootstock is level with the surface of the soil. It should not be planted in a dip (risk of rot). Take into account that the soil will settle and the iris will sink. In clay or moist soil, the rhizome can even be left raised on a slight mound of a few centimetres. To make the soil cling to the roots, lightly compact the soil and water abundantly immediately after planting. Water 2-3 times if necessary until the plant takes root.

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 (causing rot), and attract slugs. Similarly, remove dry leaves. If they are diseased (reddish-bordered spots of heterosporiosis), we recommend burning them. Remove faded flowers.

Planting period

Best planting time August to September
Recommended planting time February to March, July to October

Intended location

Suitable for Meadow, Rockery
Type of use Border, Slope
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Well-drained soil

Care

Pruning instructions Cut the flowering stems at the end of the flowering period. If desired, cut the foliage at a slant halfway up in the summer.
Pruning Pruning recommended once a year
Pruning time July to August
Disease resistance Good
Overwinter Can be left in the ground

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