Audubon® Blueflag Iris
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Swampy soil becomes a blessing with Northern Blue Flag! This splendid native Iris loves constantly moist soil, where it becomes a showpiece. The handsome, strappy foliage creates a sharp vertical element in your landscape throughout the growing season, and the graceful, cobalt-blue flowers paint a pretty picture in late spring and early summer. Hummingbirds will hover around the blossoms, sipping their sweet nectar. Butterflies may also visit the flowers, along with bumblebees and other native bees. Make a troublesome, soggy part of your yard come alive with flora and fauna when you fill it with wonderful natives like Northern Blue Flag!
May Benefit & Attract: Hummingbirds
Take Birds Under Your Wing
New! Introducing our bird-friendly collection of Audubon® Native Plants & Trees
- Better for Birds, 100% Neonic-Free
- Not Available in non-native regions, states or counties (see Native Regions map)
Bower & Branch is proud to grow Audubon® Native Plants for Birds in partnership with the National Audubon Society to help birds and other wildlife thrive.
- The National Audubon Society protects birds and the places they need, today and tomorrow
- This bird-friendly native plant provides food and shelter for local and migrating birds and other wildlife
- Your purchase and planting of this native flora directly supports Audubon’s conservation mission and impact
- Learn how you can help birds in your home and community through Audubon’s Plants for Birds program
- Audubon Native Plants & Trees are free of neonicotinoids and exclusively grown by Bower & Branch
Audubon® is a licensed and registered trademark of the National Audubon Society. All rights reserved.
- Hardiness Zone: 3-9
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Recommended by Our Growers
There are a few hundred species of Irises on the planet, so it is not surprising that these plants are well-known and well-loved by humans all over the world. They are rich in symbolism. In Greek mythology, Iris was the goddess of the rainbow and was a bridge for women to the afterlife; Greeks would therefore plant Irises on women’s graves. According to the ancient Egyptians, Irises symbolized wisdom, faith, and courage. In North America, the Northern Blue Flag Iris was once considered a healer of a variety of ills. This was a dangerous idea, because the plant is poisonous when ingested if not prepared correctly.
Over the years, many of our native wetlands have been drained or filled in. Long considered useless, wetlands are actually precious to wildlife, water quality, and the health of the whole planet! We should preserve those spaces and the plants that flourish there. Northern Blue Flag is one such species that we can’t afford to lose. Besides service wildlife, it’s a living water filter that cleans mucky water naturally.
How to Grow
Northern gardeners rejoice! Native to the upper Midwest, New England, and eastern Canada, Northern Blue Flag can handle the coldest winters Mother Nature can hand out. It is very easy to grow, as long as it is given full sun, rich soil, and consistent moisture. Northern Blue Flag will grow in up to four inches of standing water. Because it is poisonous to eat, deer don’t bother it. The roots are toxic, too, and even touching them may irritate some people’s skin. Be sure to wear gloves if you decide to divide your plants (this is an easy way to make more).
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