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قراءة كتاب Making a Garden of Perennials
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One of the brightest stars of the garden in late fall is the Japanese anemone
Arabis Alpina—Rock Cress
Rock cress is an early spring, white-flowering plant. Its low-growing habit makes it suitable for edging. In the fall plant Chionodoxa Luciliæ in between them. This is a blue-flowering bulb, hardy, cheap and in flower at the same time the rock cress is.
Aquilegia—Columbine
These have been mentioned in connection with the article on reserve beds. The Rocky Mountain columbine (A. cærulea), a bright blue form, is probably the handsomest one of the family, but it seldom lasts long. The golden columbine (A. chrysantha) seems to be the sturdiest of the group and lasts several years. It belongs to the long-spurred class, all of which are good.
Bocconia cordata—Plume Poppy
The plume poppy is a stately plant, attaining a height of seven to eight feet, bearing in July and August terminal panicles of creamy white flowers having large, indented glaucous foliage. It has one fault, however; it spreads rapidly and soon takes possession of the whole bed, and therefore should be in an individual hole of its own. The plantings are sometimes made in large bottomless tubs, sunk in the ground.
Campanula—Bell Flower
Nearly all of this family, as well as the allied Platycodons, are good. They are slender, upright growers, as a rule, but C. Carpatica, already mentioned in the text, grows but eight inches tall. The species macrantha persicifolia, rotundifolia (Blue Bells of Scotland) and Trachelium, are the most reliable among the group. The cup-and-saucer, and the chimney bell flower, are biennials, blooming but once, and have to be wintered the year prior in a coldframe.
Centaureas—Hard-heads
Like an open sunny position. C. macrocephala is the best, bearing thistle-like golden yellow flowers.
Coreopsis
The species lanceolata, and C. grandiflora, have rich golden flowers of pleasing form, splendid for cutting. They grow about two feet high and bloom all summer if not allowed to go to seed, but seldom last over the third year.
Delphiniums
Have already been discussed. All the named varieties are good, especially Belladonna. See page 26.
Dictamnus—Gas Plant
Fully described on page 32.
Digitalis—Foxglove
The form usually grown is treated as a biennial, and with me, must be coldframed the first year. Ambigua or grandiflora is a perennial having pleasing pale yellow flowers, and is a comparatively long-lived plant.
Echinops—Globe Thistle
This is a tall, interesting plant with foliage somewhat like a thistle. E. Ritro is the best. Its peculiar flower head consists of a ball about an inch and a half in diameter, from which spring, in close array all over the ball, minute flowers of a deep metallic blue.
Eryngium—Sea Holly
A plant somewhat similar in appearance to the Echinops, but smaller in all its parts. E. amethystinum is the best, having small globular flower heads of an amethystine blue color, this color also extending quite a way down the flower stems.
Eupatorium—Thoroughwort
Two forms are in the market—E. ageratoides, bearing numerous small white flowers in late summer, and E. cœlestinum, with light blue flowers similar to the ageratum. Both are good.
Funkia—Plantain Lily—Broad-leaf Day Lily
I consider F. subcordata grandiflora the best of this group. In time a single plant, if not crowded, will make a mound of green foliage, looking as if an inverted bushel basket were shingled with broad overlapping foliage, above which, in August, spring pure white, sweet-scented lily-like flowers. It will stand partial shade. If planted in groups they should be placed two and a half to three feet apart. Tulips may be planted between them.
Gaillardia—Blanket Flower
The perennial forms produce much handsomer flowers than do the annuals. All of our garden perennial forms, including grandiflora, are varieties of G. aristata, and, being natives of Texas, are not always hardy in the Northern States.—See page 4 in the text. It is a rather sprawling plant, growing naturally some two feet high, and hard to stake, but may be pegged down. Use common long hairpins. It requires an open situation in full sun, and thrives best in a sandy soil, well drained.
Geum—Avens
Quite a hardy border plant, rather low in its foliage, but throwing its flower stems up fully eighteen inches, blooming more or less all summer. G. coccineum, with scarlet flowers, and G. Hederichi, are both good.
Hesperis matronalis—Rocket
An admirable plant for use where most other plants would fail. It does fairly well in semi-shady places, at base of shrubs and in between them in open spots. Plants grow three to four feet tall, of bushy form when treated well, bearing pinkish flowers in June and July. There is a white form.
Hemerocalis—Yellow Day Lily
All are good, strong growers with narrow iris-like foliage, producing flowers in tones of yellow. H. flava, the sweet-scented, deep lemon-yellow-flowered form, is the best and must not be confounded with the coarser-flowered H. fulva, the tawny day lily.
Hibiscus—Mallow
All the mallows are good, from the "crimson eye" to the new mallow marvels, moderately late, upright-growing and hardy. The colors run from pure white to pinks and reds.
Inula ensifolia
A low-growing very hardy plant bearing freely yellow daisy-like flowers, always presenting a neat appearance.
Hollyhocks
On account of the prevailing hollyhock disease—a disease of the foliage hard to combat—it is best to grow one-year-old plants, as they are less affected than the older ones. The singles are the most charming.
Iris—Fleur-de-lis
This is a large group, from the bulbous Spanish and English iris, which bloom in June and then die down to reappear next season, and may therefore be planted in open spaces between other plants, to the magnificent Japanese iris, I. Kæmpferi. This latter one is somewhat fickle and does not last long. The best for general planting are the German, cristata, pumilla and Sibirica varieties. Pallida Dalmatica is exceedingly fine.