- Botanical Name:
- Virginia Blue Flag Iris
- Hardiness Zone:
- Zone 3-10
- Mature Height:
- 5-8 ft
- Mature Width:
- 4-6 ft
- Growth Per Year:
- less than 1 ft
- Light Requirement:
- Full sunlight to partial shade
- Soil Requirement:
- Prefers moist, acidic soil with organic matter
- Blue Flag Iris - Iris versicolor Hardy Planting Zones- 3-9 Sun or Shade – Full Sun or Part Shade Mature Height - 24"-30" Mature Width- 24"-30" Bloom Season – May to June Gardener Status- Beginner
Blue Flag Iris – Iris Versicolor
Folks looking for a beautiful and moisture-loving plant to decorate their garden with should consider planting the Blue Flag Iris. The growing conditions and care of this plant are a relatively easy undertaking and will reward owners with beautiful blooms every year. The Blue Flag Iris is a very hardy and perennial plant, capable of surviving with minimal care. They bloom in the Spring and early summer seasons. Flag Irises are most often located in wet, low-lying areas, and are suitable for similar conditions in the home garden. In fact, the Blue Flag Iris is considered to be a semi-aquatic plant, which means they prefer to live in very wet or waterlogged ground. Therefore, the best place to plant a blue flag iris is in a damp location that gets full to partial sun. Amazingly enough, these plants can be submerged underwater for a small period, and still, survive! Their ideal soil environment is one which is highly organic. Therefore, it is best to amend the garden with compost or peat, and water liberally.
The Blue Flag Iris is a long lasting plant (at least 2 to 3 years) and grows to be 2-3’ feet tall. The beautiful flowers show a bluish-violet color with rough patches of yellow and white with delicate purple veins. This plant is glabrous, meaning that it is silky smooth and hairless. The leaves themselves are roughly 1” inch across at the base, and taper off very gradually into pointed tips. The stocks of the Blue Flag Iris are either unbranched, or sparingly branched, and are mostly green in color. Each stock typically produces one or a couple of leaves that are erect and sword-like in appearance. The beautiful blue-violet flowers are approximately 3 1/2" inches across, and consist of 3 sepals, three petals, and three stamens each.
Blue flag iris is known for its deep blue flower color. The Blue flag iris will produce a vibrant blue flower that is beautiful. This plant prefers the shallow water and likes moist soils. The Blue flag iris will also grow only around 2 feet a year. This plant will blossom from May to July.