Iris versicolor

Common Name
Harlequin blueflag
Northern blue flag
Large blue iris
Plant Form
Herbs
Duration
Perennial
Max Height (ft)
3.0
Region
Coastal
Piedmont
Mountain
Hardiness Zone
5, 6, 7, 8, 9

Photographer: Bob Schwartz
Licensed under: CC BY-NC 4.0
Original photo: Original photo

Photographer: Bob Schwartz
Licensed under: CC BY-NC 4.0
Original photo: Original photo

Additional Info

Habitat: Fresh to moderately brackish tidal marshes, wet flatwoods, floodplain pools, calcareous fens and wet meadows, stream margins, and disturbed wetlands such as ditches and beaver ponds. Frequent to locally common in the coastal Plain; infrequent to rare inland.

Notes: Tolerates standing water. Tolerates salinity to 0.5 ppt. Prune back the leaves after the first frost to just above the crown. Grow in containers in ponds or other water gardens in up to 4 inches of standing water. It is most happy in wet areas of pond margins, wet meadows, and marshy areas where it multiplies naturally forming clumps.  It tolerates browsing by deer.

Flower Color
Blue
Purple/lavender
Flower Prominence
Conspicuous
Fragrant
Yes
Bloom Time
Spring
Early Summer
Light Requirements
Full sun
Partial sun
Moisture Requirements
In Water
Wet
Moist
Low Maintenance
Yes
Climate-smart plant
Yes
Good Choice for Public Spaces
Yes
Deer Resitant
Yes
Pollinators
Bees
Butterfiles
Number of Lepidotera Species Genus Supports
17
Tolerates
Earth Sangha Inventory

Founded in 1997, the Earth Sangha is a nonprofit public charity based in the Washington, DC, region. The Wild Plant Nursery is the most comprehensive source of local-ecotype, native plants in the Washington DC region, and the region’s only facility dedicated exclusively to this type of propagation. “Local-ecotype” plants are propagated from local, wild, naturally-occurring populations and are well-adapted to local conditions and for wildlife species that depend on the local forms, such as pollinators. Inventory is updated on a weekly basis so number may not be accurate.

Pots Available Plugs Available Location Notes
131 0 Row 7 View My Wishlist
Carniola Farms Nursery

Nursery operates Arlington Native Plants & Edibles located at 925 N. Madison St. Arlington Virginia 22205. Plants can be purchased at any time by making an email appointment at carniolafarms@gmail.com. Also, during the during the planting season, they are open some Saturdays from 11AM to 3PM. Check their website for datesThis plant list is from the beginning of the 2025 season and may be out-of-date

In Stock? Notes
Yes View My Wishlist
Bona Terra Nursery

Small family-run native plant nursery with a focus on the local genetics necessary to restore diversity in the Chesapeake eco-region. Offers free remote design service for small gardens up to 400 square feet. Orders are placed via email and items can be picked up at their NW DC office or delivered for a fee. This plant list is from the beginning of the 2025 season and may be out-of-date

Pots Available Pot Size Notes Add to Wishlist
0 Quart

Local Ecotype coming soon!

View My Wishlist
30 1 Gallon

Local Ecotype coming soon!

View My Wishlist
4 3 Gallon

Local Ecotype coming soon!

View My Wishlist