Overview

Sedum 'Purple Emperor' is a clump-forming, spreading perennial succulent in the genus Sedum, part of the Crassulaceae family, with succulent foliage. Sedum 'Purple Emperor' grows best in full sun and partial shade, and tolerates well-drained and sandy or gravelly soils and neutral to alkaline pH. Its UK hardiness is rated H5. Suggested uses include rock gardens, ground cover and container planting.

About

Sedum 'Purple Emperor' (Purple Emperor Stonecrop) is a perennial succulent cultivar within the Sedum genus, known for its drought tolerance and ease of cultivation. This stonecrop thrives in well-drained, sandy or gravelly soils with a neutral to alkaline pH, preferring full sun to partial shade and a south-facing aspect. Hardy to UK zone H5, it suits exposed or sheltered sites and is ideal for rock gardens, ground cover, or container planting. Regular trimming after flowering helps maintain its shape and encourages new growth, while propagation is straightforward through stem cuttings or division.

About the genus

Sedum is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species, subsequently reduced to 400–500. They are leaf succulents found primarily in the Northern Hemisphere, but extending into the southern hemisphere in Africa and South America.

Wikipedia contributors, "Sedum", CC BY-SA 4.0Sedum

Growing conditions

Best soil and position for Sedum

Sunlight
full sun, partial shade
Soil type
well-drained, sandy or gravelly
Soil pH
neutral to alkaline
Soil moisture
dry to medium
Aspect
south-facing
Exposure
exposed, sheltered
UK hardiness
H5

Plant details

Sedum 'Purple Emperor' size, habit and characteristics

Plant type
perennial succulent
Habit
Clump-forming, spreading
Foliage
Succulent
Suggested uses
rock gardens, ground cover, container planting

Care notes

Pruning and caring for Sedum 'Purple Emperor'

Cultivation
Easy to grow; prefers well-drained soil and sunny position; drought tolerant once established.
Pruning
Trim back after flowering to maintain shape and encourage new growth.
Propagation
stem cuttings, division
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

How do I grow Sedum 'Purple Emperor'?

Easy to grow; prefers well-drained soil and sunny position; drought tolerant once established.

Where is the best place to plant Sedum 'Purple Emperor'?

Sedum 'Purple Emperor' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Sedum 'Purple Emperor' need?

Sedum 'Purple Emperor' grows best in well-drained and sandy or gravelly soil. It prefers neutral to alkaline soil. Aim for soil that stays dry to medium.

How do I prune Sedum 'Purple Emperor'?

Trim back after flowering to maintain shape and encourage new growth.

Is Sedum 'Purple Emperor' hardy in the UK?

Sedum 'Purple Emperor' 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 Sedum 'Purple Emperor'?

Stem cuttings, division.

More in the Sedum genus

Browse all Sedum