Overview

Tiarella 'Cutting Edge' is a clump forming herbaceous perennial in the genus Tiarella, part of the Saxifragaceae family, with deciduous foliage. Tiarella 'Cutting Edge' 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 'Cutting Edge' is a herbaceous perennial cultivar within the Tiarella genus, known for its clump-forming habit and deciduous foliage. Like other Tiarella species, it produces rounded, palmate lobed leaves and small star-like flowers arranged in terminal panicles or racemes on upright stems. This cultivar thrives in full sun or partial shade with a preference for sheltered aspects, and it adapts well to a range of soil types including chalk, clay, and loam with varying pH levels. It is hardy to UK zone H5 and 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 'Cutting Edge' 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 'Cutting Edge'

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 'Cutting Edge'?

Tiarella 'Cutting Edge' prefers full sun and partial shade. It suits sheltered positions.

What soil does Tiarella 'Cutting Edge' need?

Tiarella 'Cutting Edge' 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 'Cutting Edge' hardy in the UK?

Tiarella 'Cutting Edge' 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 'Cutting Edge'?

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

Browse all Tiarella