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 |
Cypripedium spectabile | Showy Lady's Slipper | 4 | 1 1/2 | White | June | Leaves oval in shape, variegated with gray. Flowers quite showy. Good in rock-gardens. C. F. |
Cytisus scoparius | Scotch Broom | 1 | 4 | Yellow | May | S. Foliage fine dark green. Flower pear-shaped, produces in abundance. Good for seashore planting. In severe climates it kills to the ground, but reappears in the spring and regains its growth quickly. D. H. |
Daffodil | See Narcissus | |||||
Daphne cneorum | Garland Flower | 2 | 8 in. | Pink | March | Good in front of shrubs or in the rock-garden. Trailing in habit. Fragrant flowers in close clusters. E. A. H. |
Daphne mezereum | Mezereum | 1 | 3 | Red | March | S. Flowers fragrant in small clusters, coming before the leaves appear. Erect and open in growth. B. C. E.G. |
Daphne mezereum var. alba | 1 | 3 | White | March | A variety of the preceding with white flowers and yellow fruit. | |
Decumaria barbara | Decumary | 3 | 20 | White | June | A climbing shrub, clinging by rootlets. Foliage shining; flowers in clusters. Good for covering rocks, banks, or tree trunks. B. C. D. H. |
Delphineum | Larkspur | 4 | 11/2 | Deep purple | June & July | Flowers in flat clusters. Foliage deeply cut. Particularly good for the rock-garden. A.G. I. |
Delphineum elatum | 4 | 4 | Deep blue | June to Sept. | Foliage finely divided. Flowers large and marked with violet. Excellent for the border. If flowers are cut the plants will continue to bloom until very late. A.G. I. | |
Delphineum formosum | 4 | 2-3 | Blue | June & July | Large flowers on tall spikes. Foliage divided, dark. Good among shrubs or in the border. Will continue to bloom if cut freely. A.G. I. | |
Delphineum hybridum | 4 | 3-4 | Blue | June & July | Flowers in dense racemes. Often double and in all shades of blue. One of the best perennials. In habit much as the preceding. A.G. I. | |
Delphineum grandiflo-rum | Chinese Larkspur | 4 | 2 | Light blue | July & Aug. | Foliage light green, deeply divided. Individual flowers large and in compact racemes. Good for the hardy border. A.G. I. |
Delphineum grandiflo-rum var. album | White Chinese Larkspur | 4 | 2 | White | July & Aug. | A variety of the preceding with pure white flowers. |
Dennstsedtia punctilob-ula or Dicksonia pil-osiuscula | Gossamer or Hay Fern | 4 | 2 | A native fern of great beauty, with finely-cut foliage. It prefers a moist soil, but will thrive in dry, sunny spots. Good for massing in open ground or under trees. A. |
 
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