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Summary
Bloom Color: Blue, Purple. Main Bloom Time: Late spring. Form: Upright or erect.
Physical Characteristics
Iris_pallida is a PERENNIAL growing to 1 m (3ft 3in) by 1.5 m (5ft) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. It is in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils.
It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Edible Uses
The root can be dried, ground into a powder and used as a food flavouring[46, 171]. The root may take several years of drying to develop its full fragrance[168]. 'Orris oil' is an essential oil derived from the dried root, it is used as a flavouring in soft drinks, sweets, chewing gum etc[183].
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Cathartic[4]. The juice of the fresh root is a strong purge of great efficiency in the treatment of dropsy[4].
References More on Medicinal Uses
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Other Uses
The root is a source of Orris powder which has the scent of violets[238]. It is obtained by grinding up the dried root[4, 7, 46]. It is much used as a fixative in perfumery and pot-pourri, as an ingredient of toothpastes, breath fresheners etc and as a food flavouring. The root can take several years of drying to fully develop its fragrance, when fresh it has an acrid flavour and almost no smell[4, 168]. An essential oil is obtained from the fresh root, this has the same uses as the root[57, 61]. The juice of the root is sometimes used as a cosmetic and also for the removal of freckles from the skin[4]. A black dye is obtained from the root[168]. A blue dye is obtained from the flowers[168]. Plants can be grown for ground cover, the dense mat of roots excluding all weeds[208].
Special Uses
References More on Other Uses
Cultivation details
Landscape Uses:Border, Massing, Rock garden, Specimen. Requires a sunny position and a well-drained soil containing lime[42]. Easily cultivated in a sunny position in ordinary garden soil[187]. Prefers a pH between 6 and 7.5 or higher[200]. Established plants are drought tolerant[190]. Cultivated, especially in Italy, for the essential oil in its root[4]. The flowers are sweetly scented, reminding some people of orange blossom, others of vanilla and others of civet[245]. A very vigorous species[42]. The rhizome should be planted partly above the soil[1]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233]. Special Features:
Attractive foliage, Fragrant foliage, All or parts of this plant are poisonous.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - best sown as soon as it is ripe in a cold frame. Stored seed should be sown as early in the year as possible in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse or cold frame for their first year. Plant out into their permanent positions in late spring or early summer. Division, best done after flowering, though it can be done at almost any time. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.
Other Names
If available other names are mentioned here
Native Range
EUROPE: Former Yugoslavia (w.-c.), Italy (northeast)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Lam.
Botanical References
50200
Links / References
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