×
To buy, sell or swap plants and use our full service please log in or sign up – GreenPlantSwap is completely free!
Record your plants before you lose the plant labels! Just tick the ‘Garden’ box (below) on each plant. Learn more

Allium campanulatum

Dusky Onion

Garden

Wishlist

  • Plant Placeholder

Features

  • BloomsJune to July
  • Height10m to 30m
  • Spread0.05m to 0.1m
  • Growth HabitStalked clump
  • Flower ColourPink, pink-purple, occasionally white
  • Leaf ColourMid green

Description

Allium campanulatum (Dusky Onion ). This species of bulbous perennial will produce mid green linear leaves which will die back after the flowering. The flowers are dense umbels of pink or occasionally purple or white star-like flowers with dark purple markings at the base of each tepal. The bulbs are grey-brown.

Characteristics

Perennial, Deciduous, Bulb

Other common names

Sierra onion

Origin

USA

Interest and use

Ornamental. Suitable for rock gardens and raised beds. Specimen plant.

Search or browse our Glossary of 3,000+ botanical and plant-related terms


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


  • Plant Placeholder

Needs

  • LightFull sun
  • HardinessFrost hardy (min -5°C)
  • SoilWell drained, Gritty
  • Soil pH6.0 to 8.0
  • WaterSemi-moist

Cultivation

Adapted to dry mountainous areas, this plant appreciates good drainage and full sun.

Propagation

Propagation is by offsets, by seed in autumn or by division of clumps (spring flowering varieties in late summer and summer flowering varieties in spring).

Pests, diseases or disorders

Prone to white rot, downy mildew, eelworm, rust and onion fly.

Search or browse our Glossary of 3,000+ botanical and plant-related terms


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


Have something to say about this plant?
Click to write a post, ask a question or share a tip.


Other Allium posts

To view Allium plants offered near you, enter your postcode or log in.

Get started & find out why

Posts of the WeekPosts & Events

Open your garden for Thrive
Watering

“It’s not just gardening,
it makes us healthier and happier”

Production v5.9.2 (00577d2)