Scientific name: Phacelia tanacetifolia
Common names: Lacy phacelia, Phacelia, Blue tansy, Purple tansy.
Seeding rate: 0.5 – 0.7 g/m² (5 – 7 kg/ha)
Growth cycle: Annual
Growth season: Cool season
Lacy phacelia is an annual temperate herb mainly used as a cover crop and bee forage, rated among the top 20 honey-producing flowers. It has a main stem with 2 – 3 branches, reaching 0.2 – 1.0 m in height. Stems and leaves are both hairy and leaves are soft and feathery. Flowers are bell-shaped, lavender to blue with long stamens. The seeds are dark brown. It has a taproot with fibrous lateral roots. The plant is native to the south-western USA and northern Mexico. It combines well with mustard, annual clovers, vetch or buckwheat. Annual rainfall of 200 – 450 mm is recommended for good growth. It is fairly drought, frost and shade tolerant.