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All American Selection. These are flower and vegetable varieties that have been grown and tested throughout the US and proven themselves to do well in all parts of the country.

A soil that has a pH below 7, typical of clay soils. Azaleas, camellias, dogwoods and roses like acidic soils.

A soil that has a pH of 7 or higher.

A plant living one year or less, usually planted in the spring after the last frost. During this time, the plant grows, blooms, produces seeds, and dies.

The roots of the plant have soil attached and are held in place with burlap or some other material.

The roots of the plant are bare, with no soil.

Of two seasons duration, from germination to maturity and death, usually developing vegetative growth the first year and flowering, fruiting, and dying the second year. Biennials need exposure to winter temperatures to trigger flowering or fruit production the second year.

A resting stage of a plant that is usually formed underground and consists of a short stem base bearing one or more buds enclosed in fleshy leaves and buds (tulip, daffodil, etc).

Temperatures below 40 F. Blueberries, peaches, apples and many other fruit-bearing plants must be exposed to these cold temperatures in order to flower and produce fruit the following season. Chill hour requirements can vary from 150 to 700-800 hours.