Trifolium Subterraneum, or more commonly know as Subterranean Clover, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and white flowers of the genus Trifolium. It has a rapid growth rate and a height of 0.5 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is fall winter and spring, blooms during late winter and is somewhat tolerant of shade. Trifolium Subterraneum or Subterranean Clover's floral region is North America US Lower 48 and Hawaii
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