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Iris grant-duffii
Also called Jaffa Iris
Iris grant-duffii is a species in the genus Iris. It is also in the subgenus Limniris and in the series Syriacae. It is a rhizomatous perennial, from Lebanon, Israel, Syria, Turkey, Lebanon and Iraq, which has brown bristles/spines on the rhizome, long thin greyish green leaves, short stem carrying a single scented flower in shades of yellow.
It is hardy to USDA Zone 4.
It is rare in cultivation in the UK, as it requires a bulb frame. To grow it successfully, the iris should have a minimum of 4 months of dryness in the summer and then kept away from winter dampness, but it needs plenty of water in the spring. It is best planted between September and October, in moist, rich soils.
Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana
Text excerpted from the Wikipedia article Iris grant-duffii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
