This section is from the book "A Practical Handbook Of Trees Shrubs Vines And Herbaceous Perennials", by John Kirkegaard. Also available from Amazon: A practical handbook of trees, shrubs, vines and herbaceous perennials.
Botanical Name | English Name | 1 Deciduous 2 Evergreen 3 Vine 4 Herbaceous Perennial | Ultimate Height in feet | Color | Time of Bloom | Remarks |
Inula glandulosa | Flea-bane | 4 | 2 | Yellow | July & Aug. | A good border plant with flowers somewhat resembling asters. A.G. 1. |
Ipomcea pandurata | Hardy Moon-flower | 3&4 | 10 | White | July & Aug. | Good for covering tree trunks or walls. Flowers in clusters, funnel shaped. A. D.G. |
Iris cristata | Crested Iris | 4 | 8 in. | Lilac | May to July | Good for edging or for the rock-garden. One of the most beautiful of the early Irises. A. G. |
Iris germanica | German Iris | 4 | 1 1/2 | Various | May to July | General favorites and plants of the easiest culture. Showy flowers in shades of yellow, blue, lilac and white. Good in masses along the edge of the shrubbery border. A. G. I. |
Iris laevigata or Kaemp-feri | Japanese Iris | 4 | 2-3 | Various | June & July | Flowers large and ranging in colors of white and shades of blue. Beautiful everywhere, particularly so near water. C. D. F. I. |
Iris orientalis or gigan-tea | Yellow-banded Flag | 4 | 3-4 | Yellow | May & June | Very free flowering and of vigorous growth. A.G. I, |
Iris pallida or asiatica | Turkish Iris | 4 | 3 | Violet | June & July | Fragrant flowers on strong, tall stems. Foliage coarse. Good in mixed borders. A. D.G. J. |
Iris pseudacorus | Water Flag | 4 | 2-3 | Yellow | May & June | Good for bog-planting or near water. Blooms profusely and increases rapidly. A. D. F. |
Iris pumila | Dwarf Flag | 4 | 8 in. | Violet | May | An excellent early species, blooming most freely and thriving in any situation. Good for the rock-garden or in the border. Other varieties of Iris pumila are: cyanea, rich purple, eburnea, pure white, Florida, lemon yellow. A. G. |
Iris sibirica | Siberian Flag | 4 | 3 | Violet | May & June | Showy flowers in clusters. Foliage long, narrow and dense. A. D. F. I. |
Iris sibirica var. alba | White Siberian Flag | 4 | 3 | White | May & June | A very beautiful free flowering variety of the above. |
Iris sibirica var. orien-talis | East Siberian Flag | 4 | 2-3 | Deep blue | June & July | A most useful and attractive plant for the border or bog-garden. A. D. F. |
Iris versicolor | Canadian Iris | 4 | 2-3 | Purple | May & June | Pretty in bogs or near water. A. F. |
Iris xiphium | Spanish Iris | 4 | 1 | Shades of yellow and white | June & July | Should be planted among other plants, as the leaves disappear soon after the plant has flowered. Multiplies rapidly and should be frequently divided. B. H. I. |
Itea virginica | Virginian Willow | 1 | 4 | White | June & July | S. A beautiful native shrub with dense foliage which turns a rich crimson in late summer. Flowers in drooping racemes about 4 inches long. A. E. G. |
 
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