Overview
Phacelia purshii is a bushy annual biennial in the genus Phacelia, part of the Boraginaceae family, with deciduous foliage. Phacelia purshii grows best in full sun, and tolerates loam soils and any pH. Its UK hardiness is rated H4. Suggested uses include wildlife gardens, cottage and informal garden and wildflower meadow.
About
Phacelia purshii, known by the common names Miami mist, scorpionweed, and purple scorpionweed, is a spring flowering annual forb with blue, lavender, violet, or nearly white flowers in the family Hydrophyllaceae that is native to eastern and central North America.
Growing conditions
Best soil and position for Phacelia
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Phacelia purshii size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Bushy
- Foliage
- Deciduous
- Suggested uses
- Wildlife gardens, Cottage and informal garden, Wildflower meadow
Care notes
Pruning and caring for Phacelia purshii
- Propagation
- Seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Phacelia purshii?
Phacelia purshii prefers full sun. It suits sheltered positions.
What soil does Phacelia purshii need?
Phacelia purshii grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Phacelia purshii hardy in the UK?
Phacelia purshii has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Phacelia purshii?
Seed.
