Thick clumps of spiky foliage and bright purple or blue flowers are perfect for mid-border planting. Like their German cousins, these benefit from division so they don't grow hollow in the middle.
Latin Name
Iris sibirica
Family
Iridaceae
Also Known As
Siberian flag
Type of Plant
Perennials
Bloom Season
May
Seasons
Spring
Specifications
Max Height: 4'
Max Spread: 3'
Uses
Sunlight Exposure
Full Sun
Part Shade
Tolerances
Attracted Wildlife
Butterflies
Toxicity
Do not ingest
Skin irritant
Colors
Native Range
Europe and Central Asia
History
Plant collector John Bartram of Philadelphia listed Siberian irises in his catalog for 1771 to 1809.
Planted at Mount Vernon
Hardiness Zones
Average annual extreme minimum temperature 1976-2005
Bartlett Tree Expert Company has been working with Mount Vernon Estate since 2011 providing expert arboricultural care and GPS mapping for the estate’s historic trees, as well as support from their research facility. Mount Vernon is proud to partner with Bartlett Tree Experts and appreciates their sponsorship of George Washington’s Mount Vernon Plant Finder App.
Bring Washington's Garden Home
Purchase our historic seeds, collected from plants grown at Mount Vernon and plant them in your own garden.
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