Phacelia Tanacetifolia, or more commonly know as Lacy Phacelia, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and blue flowers of the genus Phacelia. It has a rapid growth rate and a height of 4 feet at maturity. Its duration is annual which means it grows for one season only. It's active growth period is spring, blooms during early spring, is intolerant of shade and is routinely available commercially. Phacelia Tanacetifolia or Lacy Phacelia's floral region is North America US Lower 48, specifically in the states of Arizona, California, Colorado, Massachusetts, Maine, Michigan, Nevada and Oregon.
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