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CRIMSON CLOVER
LEAFLET No. 160
U.S.DEPARTMENT of AGRICULTURE

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Issued June 1938.
Revised January 1947

CRIMSON CLOVER

By E. A. Hollowell, senior agronomist, Division of Forage Crops and Diseases,Bureau of Plant Industry, Soils, and Agricultural Engineering, AgriculturalResearch Administration

Contents

Figure 1.—Principal crimson cloverregions of the United States. Thedotted area shows where crimsonclover was generally grown before1938. The cross-hatched area showswhere production can be extendedby using favorable cultural andfertilizer treatments and adaptedvarieties.

Crimson clover (Trifolium incarnatum) is the most importantwinter annual legume of the central section of the Eastern States.This crop can be grown over a much larger area by using seed ofadapted varieties for each section, by using better cultural methods,and by fertilizing the soil (fig. 1). Besides being an excellent pastureplant and furnishing plenty ofhay, it protects the soil duringfall, winter, and spring, preventssoil washing, and provides greenmanure for soil improvement.This legume has the distinctadvantage of producing largequantities of seed that can beeasily harvested and sown withoutthe use of expensive machinery.Crimson clover is a native ofE

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