Phacelia, Phacelia tanacetifolia.
Commercial seed. Used in beekeeping because its flowers is a good font of nectar for the bees. It can be sow from March each 20 days to have long persistance of flowering in the field. Makes a good soil structure and is an excellent bee plant. Sown from March to July to come to blossom, bringing later sowing green manure effect until early September and freeze in the winter. In October it germinate and usually overwinter well. package of 30 gr.