How to grow Sedum in the UK
Hylotelephium
Sedum (Hylotelephium) is a flower that grows well in UK gardens. Drought tolerant; bee and butterfly favourite. Autumn Joy turns rust red in autumn. This guide covers when and how to sow Sedum, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Sedum
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr Plant | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
Soil, position & care
- Soil
- Fertile, moisture-retentive but free-draining soil
- Soil pH
- 6.0–7.5
- Position
- Sun or part shade depending on species
- Sowing depth
- Plant at the same depth as the pot
- Spacing
- 30–60 cm apart
- Sowing
- Plant container-grown stock spring or autumn; divide established clumps in spring
- Growing
- Water well the first season until established; mulch in spring
- Harvest & upkeep
- Cut back faded foliage in late autumn or early spring; divide every 3–4 years
- Watch for
- Slugs and snails on new shoots; otherwise robust
Companion planting for Sedum
No specific companion notes for this plant.
Add Sedum to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Sedum FAQs
How much sun does Sedum need?
Sedum prefers full sun (6+ hrs direct).
When should I plant Sedum in the UK?
In the UK, plant Sedum in April. Planting in this window gives the roots time to establish before the plant is asked to grow away.
Is Sedum easy to grow?
Easy — good for beginners. Drought tolerant; bee and butterfly favourite. Autumn Joy turns rust red in autumn.