Iris virginica

southern blue flag

Family	Iridaceae
Plant Type	herbaceous perennial
Zone	USDA: 5a - 9b RHS: H - FH EGF: H1 - H5 Australia: 1 - 3
Care Level	low, easy, suitable for beginners.
Height	30 - 90 cm (1 - 3 ft)
Spread	30 - 90 cm (1 - 3 ft)
Light	full sun
Soil Moisture	average to moist, well-drained
Soil Type
Soil pH	acidic to alkaline

Description	The herbaceous perennial Iris virginica (southern blue flag) bears showy and faded blue blossoms during early summer. The foliage is dark green in colour.
Typical Uses	Pond.
Cautions	Where conditions are favourable, Iris virginica (southern blue flag) can be invasive and may require maintenance to keep it under control.