. EXOlCUTOtiOtl Of SVTtlbolS TQe svmb°ls used throughout this book are bound to help you with your garden planning. They make it easy to tell at a glance the character of the plant and their adaptability to various growing conditions. (A)=Annual. Annual flowers complete their life circle within one growing season. They must be sown every year. @ = Biennial. These require two years to bloom. Seed sown during one season will produce flowering plants the second year. Occasionally they live longer than two years. [hhp]= Half -Hardy Perennial. These cannot stand much frost but may be kept alive by
. EXOlCUTOtiOtl Of SVTtlbolS TQe svmb°ls used throughout this book are bound to help you with your garden planning. They make it easy to tell at a glance the character of the plant and their adaptability to various growing conditions. (A)=Annual. Annual flowers complete their life circle within one growing season. They must be sown every year. @ = Biennial. These require two years to bloom. Seed sown during one season will produce flowering plants the second year. Occasionally they live longer than two years. [hhp]= Half -Hardy Perennial. These cannot stand much frost but may be kept alive by bringing indoors, placing in the cold frame, or covering securely during the winter. MH=Hardy Perennial. These last for several years, with- standing considerable frost provided the soil is well drained. lfp]=Tender Perennial. Tender perennials may be kept growing throughout the year in the house or greenhouse. Many of them are showy bedding plants for a summer and fall display. §= Climbing Plants. Climbing and trailing plants which are best grown with a support on which they can climb. A=Suited to Rock Garden. Most plants suited to rock gardens are also desirable for dwarf beds and borders. The smaller the rock garden the smaller the plants should be. ®= Suited to Semi-Shade. Most plants suited to semi- shade also do well in a sunny exposure. Semi-shade means some sun for part of the day or a location where the plants receive ample indirect light from above. 0 = Suited to Shade. Few plants do in dense shade but those marked in this way will be found quite satisfactory. There are no annuals which will bloom in deep shade. + Seeds marked with a + often are sown in late fall outdoors to germinate the following spring. Spring germination is quickest if they are placed in water and set in the freezing chamber of an electric refrigerator. To secure the beneficial effect of alternate freezing and thawing, thaw them out once a week and then freeze again. They will be ready for sowi
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