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 |
Echinacea purpurea | Cone-flower | 4 | ■ 2 1/2 | Red-purple | Aug. & Oct. | A bushy showy plant with flowers sometimes 4 inches across. Center of flowers dark, drooping petals. A very free-flowering perennial. A.G.I. |
Echinops Ritro | Globe Thistle | 4 | 3 | Light blue | July & Aug. | Coarse plants of vigorous growth. Good among shrubs or in wild-garden. A.G. |
Elaeagnus argentea | Oleaster | 1 | 8 | Yellow | May & June | S. Flowers fragrant; leaves silvery. Fruit bright red, showy. A pretty shrub. A. D.G. |
Elaeagnus longipes | Japanese Oleaster | 1 | 6 | Light yellow | April & May | S. Fruit about 3/4 of an inch long, bright red; edible. Silvery foliage and fragrant flowers. A shrub of much value. A. D. G. |
Elymus glaucus | Blue Lyme-grass | 4 | 3 1/2 | A hardy ornamental grass with glaucous leaves. Very effective in clumps with shrubs; good for planting in sandy spots. A. H. | ||
Empetrum nigrum | Crowberry | 2 | 6 in. | Pink | June | Trailing, somewhat resembling the heath. Excellent for covering ground under Rhododendrons or Azaleas, also good for the rock-garden. A.E. F. |
Epigaea repens | Mayflower or Trailing Arbutus | 2 | 4 in. | Pink | April & May | A well-known native spring-flowering plant, with highly fragrant flowers in clusters. Difficult to establish unless pot-grown plants are procured. Good for the rockery or wild-garden, also when naturalized under trees. A. E. F. |
Epimedium macran-thum | Barren-wort | 4 | 1 | White | April & May | A compact, dwarf plant with pretty flowers in panicles. Prefers a partially shady position. A. F. I. |
Epimedium alpinum var. rubrum | 4 | 9 in. | Red | May & June | Good for the rock-garden. New leaves tinted with purple. Flowers showy, abundant. A. G. | |
Epimedium musschia-num | 4 | 1 | Cream-white | May | Foliage leathery, turning blue in autumn. Flowers good, showy. Excellent under shrubs or in the rock-garden. A. G. | |
Eremurus robustus | 4 | 6 | Pink | June & July | Dense spikes of large star-shaped flowers. Leaves resemble those of the Poker-plant: Only well established plants will produce flowers. Requires heavy protection in winter. Good for grouping in background of hardy border. B. C. H. | |
Erica | See Calluna | |||||
Erigeron aurantiacus | Flea-bane | 4 | 1 | Orange | July & Aug. | Somewhat resembling hardy asters in growth. Very free-flowering. A,G.I. |
 
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