![]() Propagation: The iris will self-seed and spread through its rhizomes, but may be divided in the summer after the flowers have bloomed. ![]() Maintenance: Little maintenance is required. And with no known pest or disease problems, the blue flag iris is a low-maintenance beauty to consider in a damp spot of the garden this spring. They are a great plant to help with soil erosion alongside the banks of ponds, streams and rivers. Native plant: Sturdy, versatile white pine's history includes use during Revolutionary Warīlue flag irises are poisonous to livestock, and many of our garden visitors, such as rabbits and deer, will avoid them. Gloves are recommended when dividing Blue flag irises, as the rhizomes may irritate one’s skin. To divide the irises, simply dig them up after they have finished flowering in the summer, and gently separate the rhizomes. The flowers will thrive in partial-shade to full sun, and spread on their own, both through self-seeding and the spread of rhizomes that grow just below the soil. But they will grow anywhere where the soil stays moist and can even be grown in containers. The sepals (or falls) of each purple flower are marked with prominent dark veining and a central yellow stripe that is a guide for insects, directing them to the nectar at the center of each flower.īlue flag irises prefer to grow in damp conditions, beside a pond, or in a rain garden. The flowers start to bloom in May, attracting pollinators such as hummingbirds, butterflies and bees. Blue flag irises grow to be 2 to 3 feet tall, with beautiful violet-blue or purple flowers, surrounded by green sword-like leaves. Native Plant: Woodland phlox 'a symbol of love and pleasant dreams for young ladies'īlue flag iris (Iris versicolor) is a relative of the showy bearded irises blooming in many Midwestern yards during the springtime months. However, here in central Ohio, there is a native flower that absolutely thrives in wetlands. Most of the perennial plants found in garden centers prefer full sun, and simply won’t grow in standing water.
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