How to grow Star Magnolia in the UK
Magnolia stellata
Star Magnolia (Magnolia stellata) is a flower that grows well in UK gardens. Compact magnolia for smaller gardens. Late frosts can damage early blooms — site sheltered. This guide covers when and how to sow Star Magnolia, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Star Magnolia
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct Plant | Nov Plant | Dec |
Soil, position & care
- Soil
- Most well-drained soils with added organic matter
- Soil pH
- 6.0–7.5
- Position
- Sun or part shade depending on species
- Sowing depth
- Plant so the rootball top sits level with the soil
- Spacing
- Allow for mature spread
- Sowing
- Plant from containers spring or autumn; water in well
- Growing
- Water through the first two summers; mulch annually
- Harvest & upkeep
- Prune to shape after flowering; remove dead/crossing wood
- Watch for
- Generally tough; watch aphids and powdery mildew
Companion planting for Star Magnolia
No specific companion notes for this plant.
Add Star Magnolia to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Star Magnolia FAQs
How much sun does Star Magnolia need?
Star Magnolia prefers full sun (6+ hrs direct).
When should I plant Star Magnolia in the UK?
In the UK, plant Star Magnolia in October, November. Planting in this window gives the roots time to establish before the plant is asked to grow away.
Is Star Magnolia easy to grow?
Moderate. Compact magnolia for smaller gardens. Late frosts can damage early blooms — site sheltered.