Planting Perennials
The best months for planting perennials are November, February, and March. Dig a hole large enough to take the roots when well spread out, hold your plant in position, with the junction of stem and root just below the level of the earth, and fill in gently with fine soil, pressing it down firmly all round the plant, and if there is danger of frost protect the plants with straw, bracken, or a mulching of manure. Never water if there is any likelihood of frost.
Here follow some general remarks concerning the treatment of perennials through the spring, summer, and autumn:—