... Thousands of cultivars have been named, mostly based on flower colors and height. Best grown in wet, boggy, acidic, sandy soils in full sun. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to – (Coast Iris) Iris missouriensis – Rocky Mountain Iris, Western Blue Flag; Series Prismaticae (contains just one species from America) Iris prismaticaPursh ex Ker-Gawl. shrevei (Small) B.Boivin Iris versicolor var. It typically grows to 2' tall (less frequently to 3') and features non-fragrant violet-blue flowers with falls that are crested with yellow and white. Cultivars of listed species, as well as closely related species of listed plants, may provide viable substitutions. Blooms from April to July. There are several types of flag iris plants, all typically found in low-lying, wet areas. SKIN IRRITATION MINOR, OR LASTING ONLY FOR A FEW MINUTES. Anderson – Shreve's iris P: Variety It is difficult to differentiate between Iris versicolor and Iris virginica as both have similar growth habits, floral colors, and bloom times. The word “Iris” comes from the Greek word for rainbow – a nod to the flower’s many color varieties. This species ranges widely in nature, from Canada to northern Florida, and varies over its range. Varieties of Flag Irises . It produces clumps of basal leaves that are sword-shaped and up to 3' long; they are mostly erect, although some of the larger leaves may become arched. See more ideas about iris, iris flowers, iris garden. 1 at the top of a naked stem, 6-parted with 3 outer, spreading or pendent "falls" with white marks and yellow crests, and 3 inner, erect "standards", variously colored light blue to violet. Southern Flag Iris spreads slowly by rhizomes which can be divided for propagation as clumps form. X meadow blazing star Liatris ligustylis 3-5 may lodge 2 when flowering (especially with any shade); attracts butterflies . Blue Flag Iris Iris virginica shrevei Iris family (Iridaceae) Description: This perennial plant is 2-3' tall. Moisture: Wet Sun/Shade: Shade Three Iris varieties were used in the Iris flower data set outlined by Ronald Fisher in his famous 1936 paper “The use of multiple measurements in taxonomic problems as an example of linear discriminant analysis” PDF. Blue flag iris thrives in full sun and tolerates partial shade where it forms a mass of blue lavender to white blooms. If you have bloth, the virginica tends to be paler blue and typically blooms earlier than versicolor. Also does surprisingly well in average garden soils that are kept consistently moist, however best performance in the border will generally occur with sandy-humusy, water-retentive soils that are never allowed to dry out. Since âAlbaâ, to my knowledge, was never officially registered for virginica as a cultivar name prior to the creation of that rule, it would not have been grandfathered as acceptable. One major trait differentiating the two may be their native ranges, but because these ranges overlap, this distinction cannot be used as the primary distinguishing factor. The website also provides access to a database and images of plants photos and herbarium specimens found at … I. versicolor L. is introduced into parts of Europe and Asia. It does best grown in very wet, humusy to sandy soil and in boggy acidic areas in full sun. Details in the flowers and fruits can distinguish them, good descriptions can be found at https://www.minnesotawildflowers.info. Bright medium green, sword-shaped leaves often lie on the ground or in the water. is introduced into Australia.. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Iris virginica var. Then there are the damp loving irises such as Iris ensata, of which there are hundreds of varieties, Iris sibirica, Iris setosa, Iris virginica and the Siberian and Sino-Siberian Iris species. The species is often found in the wild growing in standing water, and this cultivar may be grown in shallow water (up to 6 "). Iris virginica Iris virginica. This iris is deer resistant and not susceptible to disease. Divide plants when overcrowding occurs. Adventive distribution. The four irises tough enough to grow in Texas are Iris brevicaulis (zigzag iris), Iris fulva (copper iris), Iris hexagona, and Iris virginica (Virginia iris). Bloom Description: Violet blue with yellow and white crested falls, Suggested Use: Water Plant, Naturalize, Rain Garden. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. The sepals are spreading with darker blue to purple veins with a light yellow pubescent signal. 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2020 iris virginica cultivars