Ключевые слова: agriculture, bee, bee plant, beneficial, blue, blue sky, blue tansy, botanical, botany, clouds, ecology, economic, fertilizer, field, flower, flowering, green, honey, honey plant, in the garden, insect, lacy phacelia, meadow, natural, nature, nectar, nitrogen, phacelia, phacelia tanacetifolia, plant, pollen, purple tansy, scorpionweed, sky, soil, useful,