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Radishes and beets are easy to grow. Little space is required for them, and small successive plantings can yield an abundance of produce.
The radish, Raphanus sativus, is thought to have originated in East Asia, but the exact location is unknown. Radishes are one of the fastest growing vegetables, ready to harvest in 22 to 60 days. They prefer cool growing temperatures, and quickly become pungent (hot) when the weather gets too warm. Varieties (cultivars) may have round, long tapered, or oblong roots. Colors include crimson, hot pink, pink, white, bicolored and black.
Quick maturing radishes (30 days or less) are often called spring radishes, but may be grown in fall gardens. Radishes are less apt to bolt (form flowers) under cooler, shorticultureer fall days and can withstand light frosts.
Radishes requiring more than 50 days are larger, store well and are often called winter radishes. Radishes are a good source of vitamin C, and have only 100 calories per pound.