Current Reviews: 0 Add Your Review. This species was first classified in 1835 as Collinsia bicolor by Englishman George Bentham, one of the 19th century's foremost botanical experts. Sow at three week intervals for a longer continuous bloom time. It is widely distributed and grows in shady places and on dry slopes (<1000 m). Collinsia Heterophylla Seed Germination & Growing Guide. Flowering occurs between March and June depending on latitude and elevation. Collinsia Heterophylla Seed Germination & Growing Guide. Collinsia heterophylla (Plantaginaceae) is a self-compatible, diploid annual endemic to the California Floristic Province (Newsom, 1929; Neese, 1993). Write Review . Difficulty Easy. system of collinsia heterophylla maria bolatito oyegbile ph.d. 2011 . Starting Sow seeds 5mm (1/4”) deep. Collinsia heterophylla is an annual plant growing in shady places, 10 to 50 centimeters (4 to 20 in) in height. heterophylla, Antirrhinum kelloggii, Collinsia parryi, Clarkia spp., Cryptantha intermedia , Gilia australis, Gnaphalium californica , Malacothrix clevelandii, and Stephanomeria virgata, there was often substantial 'control' germination, but an additional 20-50% ger- Add to Wishlist; Add to Compare; Write Review . Collinsia heterophylla Family: Plantaginaceae. Epiphyllum Orchid Cactus Seed Germination & Growing Guide . It can be found in most of California (other than desert regions) below about 1,000 meters (3,300 ft). Timing Direct sow in early spring when the soil is cool and when a light frost is still possible. Applications mobiles. The genus name, Collinsia, honors Philadelphia botanist Zaccheus Collins (1764-1831). Utilisez nos applications mobiles pour enregistrer vos observations avec votre smartphone ou votre tablette. 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