Overview
Tiarella 'Black Snowflake' is a clump forming herbaceous perennial in the genus Tiarella, part of the Saxifragaceae family, with deciduous foliage. Tiarella 'Black Snowflake' grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden and rock garden.
About
Tiarella 'Black Snowflake' is a herbaceous perennial cultivar within the Tiarella genus, known for its clump-forming habit and deciduous foliage. Like other Tiarella plants, it produces small, star-like flowers in terminal panicles or racemes on upright stems. This cultivar thrives in full sun or partial shade, favouring sheltered positions with fertile, well-drained soil that can be chalk, clay, or loam with a range of pH levels. Hardy to UK zone H5, it is suitable for cottage, informal, and rock gardens, offering seasonal interest in spring and summer.
Growing conditions
Best soil and position for Tiarella
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Poorly-drained
- Aspect
- North-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Tiarella 'Black Snowflake' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Rock garden
Care notes
Pruning and caring for Tiarella 'Black Snowflake'
- Propagation
- Propagate by seed in pots in a cold frame as soon as seed is ripe or in spring. Propagate by division in spring
- Pest resistance
- May be susceptible to slugs
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Tiarella 'Black Snowflake'?
Tiarella 'Black Snowflake' prefers full sun and partial shade. It suits sheltered positions.
What soil does Tiarella 'Black Snowflake' need?
Tiarella 'Black Snowflake' is adaptable and grows happily in most soil types, including chalk, clay and loam. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to poorly-drained.
Is Tiarella 'Black Snowflake' hardy in the UK?
Tiarella 'Black Snowflake' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Tiarella 'Black Snowflake'?
Propagate by seed in pots in a cold frame as soon as seed is ripe or in spring. Propagate by division in spring.
More in the Tiarella genus
- Tiarella cordifolia
- Tiarella cordifolia 'Slick Rock'
- Tiarella 'Appalachian Trail' (American Trails Series)foam flower 'Appalachian Trail'
- Tiarella 'Arpeggio'
- Tiarella 'Cutting Edge'
- Tiarella 'Martha Roderick'
- Tiarella 'Pirate's Patch'PBR
- Tiarella 'Sunset Ridge'PBR (American Trails Series)