. 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. Gardening. BLACKBERRY drought, which is usually the greatest obstacle to suc- cess with this fruit. For this reason a cool northern exposure is always desirable, and in the region of the Plains, a good windbreak on the south and west is very beneficial. Fertilizers containing a liberal proportion of potash are most suitab
. 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. Gardening. BLACKBERRY drought, which is usually the greatest obstacle to suc- cess with this fruit. For this reason a cool northern exposure is always desirable, and in the region of the Plains, a good windbreak on the south and west is very beneficial. Fertilizers containing a liberal proportion of potash are most suitable. Too much stable manure, or nitrogen in other forms, will induce a rank growth of canes at the expense of fruit. Plants are propagated either by root-cuttings, or by means of the suckers which naturally spring up about the parent plants. The latter are most commonly used in commercial work. Root-cuttings may be made in the fall and carried over winter in sand, or started under glass toward spring, or the cuttings can be made in spring and sowed in furrows, like peas. Planting is best done in spring, as a rule. If set in the fall, each plant should be covered with a mulch of earth or strawy manure, which should be removed in spring. The rows BLACKBERRY 165 pruning is the method of thinning the Blackberry, and judgment must always enter into the question of thin- ning fi-uit. In the region of the Plains, where moisture is likely to be deficient, both in soil and atmosphere, it is frequently found better not to cut back the growing shoots in summer, but to let them develop one straight cane, which is cut back to 2K or 3 feet in spring. This will generally develop all the fruit which the plant can carry to maturity under such conditions. A few grow- ers in other parts of the country train to wires, and in that case the shoots are also allowed to grow at will, but are left much longer in spring and tied to the wires for support. Close-pruned, stocky bushes may be covered with str
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