Iris graminea (Iris, Grass-Leaved Iris)


Botanical Information

FamilyIridaceae
GenusIris
Speciesgraminea
CategoryBulbs, Perennials
OriginCentral southern Europe; Spain to Russia and throughout the Caucasus Mountains.

Details

USDA Hardiness Zone1a - 6a
USDA Hardiness Ref.
Canadian Hardiness Zone0a - 5b
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-51 - (-21)
Temperature (°F)-60 - (-5)
Height22 - 45 cm
Spread22 - 30 cm
GrowthMedium
Flowering PeriodJune

Description and Growing Information

General DescriptionIris graminea is a herbaceous perennial
PropagationBy division in spring or late summer or by seed as soon as they are ripe and kept in a cold frame over winter.
CultivationGrow in full sun to part shade, in moist, well-drained, slightly acidic to neutral soil containing loam.
PestsPossible problems include: slugs, snails, thrips and grey moulds.
Flower DescriptionVery showy with rich purples and blues. Has a plum scented fragrance.

Photographs