File:Cyclopedia of American horticulture - comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the (20831741941).jpg

Title: Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches
Identifier: cyclopediaofame04bail (find matches)
Year: 1906 (1900s)
Authors: Bailey, L. H. (Liberty Hyde), 1858-1954; Miller, Wilhelm, 1869-
Subjects: Gardening; Horticulture; Horticulture; Horticulture
Publisher: New York : Macmillan
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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1520 RHODODENDRON RHODODENDRON dendrons and many deciduous shrubs, among which are the Azaleas, their near relatives. A background of darls green lifi-rs s.-.uis nl.i^t ai.;iv";'riate. Mountain Laur- els. I'fris fl.'ninnni,:. /.. âr.'t I,,', < ;, I., sl,â , -.a,d Daphne Chlenriiii, an- prM;iri' r,iiii;ialiioiis, l.ut at limes these seeni lii-tt.T apart. < lur native lili.-s. L. siipi rblim and L. Ciiiiiiil<'iisf, are kmuiI associates and thrive under the same conditions. In liot, dry weather water should be given, not daily in driblets, 'as lawns are sprinkled, but in quantity, enough at one time to soak the border to the depth of the soil, but at comparatively infrequent intervals, once a week or so. The bed should also be mulched with leaves, or other material, to prevent evaporation; grass clippings are serviceable, but should not be used in large quantities at any one time or else they will heat. Leaves make good winter protection, which should be given just before cold weather,âhere, in eastern Massa- chusetts, between Thanksgiving and Christmas. Let the bed be covered to the depth of 10-12 in., well worked in beneath the foliage but not over it. In spring dig as Ohas Bag y he y / g wh p nk edge Edw o y f nged one of tine h F L A s H H pnk laph San da ki
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much as possible of this material into the ground, re- serving a part for the summer mulch. Shelter the tops with evergreen boughs, the butts driven into the earth a foot or more deep; in very windy positions a temporary board fence is useful. Neither boughs nor fence should be removed until all danger from high winds has passed. Rhododendrons require no pruning unless injured or when ill-grown plants must be made shapely ; they break easily when cut back, even if the wood be aged. As yet no insect pest or fungous disease of importance has appeared. Varieties.âThe following Hardy Rhododendrons, hy- brids of B. Catawbiense, were sent to the Arnold Arbor- etum in 1891 by Mr. Anthony Waterer, Knap Hill Nur- sery, Woking, Surrey, England. Their hardiness has been proved by a ten years' test. In flower, foliage and growth they leave nothing to be desired: it is impos- sible to give them too great praise. For additional lists, see Garden and Forest as quoted above and in other articles in the same journal. The brief descriptions are taken from Mr. Waterer's catalogue, from which further details can be obtained; almost all these varieties origi- nated in his establishment. Album elegans, blush changing to white, one of the best; Album grandiflorum, blush, fine truss; Alex. Dancer, bright rose ; Atrosanguineum'y intense blood-red ; Bicolor; Bluebell, blash : Caractacus, purple - crimson ; Catawbiense album, E S F d B M Watson Rhododendro s near Bo ton In he c n y of Bos on the e e many no ab e n an es of he sue e fu use of Rhodo n n g ea er or less quantity. The estate of the late Francis B. Hayes, of Lexington, Mass., and that of H. H. Hunnewell, at Wellesley, Mass., are perhaps as notable examples as any, although other examples could be cited by the score of fine estates in which p 1 a n t i n g s of Rhododendrons have been prominent features. The success that has attended these plantings has been brought about very largely through most expensive experi- ment whereby a great number of named varieties have been originally imported on the basis of experiment with a view to proving what the liar.lv kinds might I.e. 'I'lie lixl.ri.ls ,,f Jfho- dodendynn r.ila ,rlâ. â.-:,â and iS. Ponticnm are the prineipal va- rieties that have been planted, and extensive trials with their consequent numerous failures have established the fact that the following eighteen varieties can well be stated to be the hardy varieties for the climatic conditions peculiar lo this vi- cinity: Album elegans. Album grandifloruni, Atrosanguineum, Caractacus, Charles Bag ley, Charles Dickens, Delicatis- 3. simura, Everestianum, Gigan- teum, Hannibal, H. H. Hunne- well, James Bateman, Lady Armstrong, Lee's Purple, Old Port, Purpureum, Pur- pureum grandiflorum, Roseum elegans. The list noted above constitutes the iron-clad varie- ties for the vicinity of Boston. The expression "iron- clad" does not, however, indicate that these varieties can be promiscuously planted without proper attention to their requirements. That Rhododendrons do suc- ceed under conditions of comparatively poor soil and exposure is not an indication that they are happy under such conditions. Rhododendrons must have the proper conditions of soil, exposure and moisture in order to give the most satisfactory returns in growth and flower. Soil conditions do not necessarily involve an extended outlay in preparation, provided the original soil is of a good, ordinary composition such as would maintain common garden products to good advantage, but it is desirable to add 25 per cent of well-rotted leaf-mold, thus providing that peculiar humus that the Rhododen- dron seems best to thrive in. On the other hand, care must be taken that this percentage is not largely in- creased, as frequent instances arise where beds have been prepared with too large a percentage of leaf-mold, with the result that where the beds have once dried out the texture of the soil becomes like that of a very dry sponge. When the soil is in such condition it is impos- sible to wet it down artificially in a satisfactory manner. The exposure need not necessarily be confined to shel-

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