Title: The century book of gardening; a comprehensive work for every lover of the garden
Identifier: centurybookofgar00cook (find matches)
Year: 1900 (1900s)
Authors: Cook, E. T. (Ernest Thomas), 1867-1915, ed
Subjects: Gardening
Publisher: London, The Offices of "Country life" (etc. )
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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164 THE CENTURY BOOK OF GARDENING.
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THE ROCK GARDEN AT NEWSTEAD ABBEY.' grow and flourish in any ordinary garden soil, but arc seen at their best when given a deep and moist root-run and a position where their flowering growths may hang over a wall, bank", or rock surface. Calandrinia oppositifolia and C. umbellata, brilliant crimson flowers, touched with magenta, are pretty in warm soils. Campanulas, or Harebells, of the Alpine section are of them- selves sufficient in variety to fill a good portion of the rock' garden. They are charming plants, and generally succeed well in a tolerably open position in sandy loam. In some gardens many of the species and varieties do not prove perennial, but as self-sown seedlings usually appear around the parent plants, these are easily replaced. The following kinds are amongst the best for the rock garden : C. abietina, C. Allioni, C. alpina, C. barbata, C. caespitosa, C. carpatica and its forms C. c. turbinata and C. c. pelviformis, C. cenisia, C. excisa, C. fragilis, C. garganica, C. isophylla, C. Loreyi, C. mollis, C. nitida, C. patula, C. pulla, C. pusilla, C. Portenschlagiana, C. Raineri, C. rotundifolia, C. tridentata, C. valdensis, C. Waldsteiniana, and C. Zoysi. Cardamines will grow in any open soil, but prefer a damp situation, and do not object to shade. Cerastiums are of easy culture in ordinary garden soil. The Cheiranthus, or Alpine Wallflower, will thrive almost anywhere in the rock garden provided it is not shaded, while the same may be said of the Dianthus family. Dicentra canadensis likes moderately rich, light soil. The Dodeeatheons, or American Cowslips, prefer a moderately shaded, moist spot, and grow well in leaf-mould and loam. Dryas octopetala succeeds in moist sandy peat, but should not be shaded in any way. The Edelweiss requires an open position, and succeeds in well-drained sandy peat or loam. Erysimums are hardy plants of easy culture in ordinary garden soil, in which Genista hispanica will also flourish. Gentians of the verna section do best in a position fully exposed to the sun in peat mixed with disintegrated granite, while G. acaulis and its varieties will thrive in a rather richer soil and are not so impatient of

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