How to grow Allium 'Globemaster' in the UK
Allium 'Globemaster'
Allium 'Globemaster' (Allium 'Globemaster') is a flower that grows well in UK gardens. Architectural globes on tall stems. Leaves die back as flowers open — plant amongst lower perennials to hide. This guide covers when and how to sow Allium 'Globemaster', the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Allium 'Globemaster'
Sowing and harvest window through the year (UK):
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep Plant | Oct | Nov | Dec |
Soil, position & care
- Soil
- Free-draining soil; bulbs rot in waterlogged ground
- Soil pH
- 6.0–7.5
- Position
- Sun to dappled shade; many naturalise under deciduous trees
- Sowing depth
- 2–3× the bulb height deep
- Spacing
- 2–3 bulb-widths apart
- Sowing
- Plant dormant bulbs in autumn (tulips best in November)
- Growing
- Little care needed; feed after flowering if naturalising
- Harvest & upkeep
- Let foliage die back naturally — do not tie or cut for 6 weeks after flowering
- Watch for
- Slugs on shoots; squirrels dig newly planted bulbs; narcissus bulb fly
Companion planting for Allium 'Globemaster'
Grows well with:
Add Allium 'Globemaster' to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Allium 'Globemaster' FAQs
What grows well with Allium 'Globemaster'?
Allium 'Globemaster' grows well alongside Bush Rose, Climbing Rose. Good companions can deter pests, attract pollinators or make better use of space.
How much sun does Allium 'Globemaster' need?
Allium 'Globemaster' prefers full sun (6+ hrs direct).
Is Allium 'Globemaster' easy to grow?
Easy — good for beginners. Architectural globes on tall stems. Leaves die back as flowers open — plant amongst lower perennials to hide.