How to Grow Phacelia

category: How to Grow Flowers

This annual is one of the best of all pollinator attractors of all. Bees simply love the ample, long-lasting, purple flowers. It is often called Phacelia, Purple Tansy, Scorpion flower, or heliotrope. It is easy to plant and grow Phacelia seeds.

Phacelia tanacetifolia
Family: Boraginaceae


Season & Zone
Exposure: Full sun
Zone: 3-10

No need to start Phacelia indoors. Direct sow every couple of weeks from last frost (end of March on the coast) to mid-June. This will produce a full summer of flowers. Seeds will germinate in 12-30 days.

Sow 5mm (¼”) deep, and space or thin to 10-20cm (4-8″) apart.

Ordinary, well-drained garden soil is what makes Phacelia thrive. It will die back during a long, hot stretch of weather, so it’s ideal for the cooler seasons of spring and fall. Plants may self sow.

Note: Some people have a bad skin reaction to the plants, so wear gloves when pulling out finished plants.

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