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 |
Jasione perennis | Shepherd's Flower | 4 | 1 | Light blue | July & Aug. | Numerous globe-shaped flowers and grass-like foliage. Good in the rock-garden. A. G. |
Juglans cinerea | Butternut | 1 | 30-40 | T. Spreading and open in growth. Foliage resembles somewhat that of Ailanthus. Large edible nuts. A.D.F. | ||
Juglans nigra | Black Walnut | 1 | 50-70 | T. A majestic tree, attaining great size. Its edible nuts are borne in great quantity. A. E.G. | ||
Juglans regia | English Walnut | 1 | 50-70 | T. A handsome round-headed tree with large, bright green foliage. Although somewhat tender while young, it is undoubtedly the most valuable of the walnuts. B. C. D. G • | ||
Juniperus communis | Common Juniper | 2 | 3-4 | S. This native evergreen is most useful for covering banks or rocks. It is prostrate, and single specimens will sometimes spread over circles 10 feet in diameter. Foliage light and glaucous. A. E.G. | ||
Juniperus communis var. aurea | Golden Juniper | 2 | 3-4 | S. A very brilliant yellow form of the preceding. Valuable for massing with other evergreens. A. E.G. | ||
Juniperus communis var. hibernica | Irish Juniper | 2 | 8-10 | T. Columnar in growth. Branches upright and leaves light green. A very handsome small tree. B. D. G. | ||
Juniperus communis var. suecica | Swedish Juniper | 2 | 7-8 | T. Somewhat resembling the preceding, but more bushy in growth. A. D.G. | ||
Juniperus chinensis or japonica | Japanese Juniper | 2 | 4 | S. A low dense shrub with spreading, sometimes procumbent branches. Foliage deep green. A most beautiful dwarf shrub. A. E.G. | ||
Juniperus chinensis var. argenteo variegata | Variegated Chinese Juniper | 2 | 4-5 | S. A form of the preceding with tips of branches mostly white. Dense and dwarf in growth. A. E.G. | ||
Juniperus chinensis var. aurea | Golden Chinese Juniper | 2 | 4-5 | S. One of the most brilliant of the low golden evergreens. Best in a sunny situation, where it attains its best color. A. E.G. | ||
Juniperus sabina | Savin Juniper | 2 | 3-4 | S. A very attractive low evergreen, good for hillside planting. Foliage dark green, branches spreading or procumbent. A. D.G. | ||
Juniperus sabina var. prostrata | Prostrate Savin | 2 | 1-2 | S. A pretty prostrate form of the preceding. Excellent for the rockery or in front of low evergreens. A. D.G. | ||
Juniperus sabina var. tamariscifolia | Tamarisk-leaved Savin | 2 | 1-2 | S. Very procumbent. Foliage fine and of a brighter green than the type. Good among rocks. A. D.G. |
 
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