Overview
Allium senescens is a columnar upright bulbs in the genus Allium, part of the Amaryllidaceae family, with deciduous foliage. It typically grows around 0.1-0.5 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Allium senescens grows best in full sun, and tolerates most soils and any pH. It is drought resistant. Suggested uses include city and courtyard gardens, cottage and informal garden, gravel garden, patio and container plants, wildlife gardens, cut flowers and flower borders and beds.
About the genus
Allium is a large genus of monocotyledonous flowering plants with 1112 accepted species, making Allium the largest genus in the family Amaryllidaceae and among the largest plant genera in the world. Many of the species are edible, and some have a long history of cultivation and human consumption such as the onion, garlic, scallions, shallots, leeks, and chives.
Wikipedia contributors, "Allium", CC BY-SA 4.0 — Allium
Growing conditions
Best soil and position for Allium
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- West-facing, East-facing, South-facing
- Exposure
- Exposed, Sheltered
Plant details
Allium senescens size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Cottage and informal garden, Gravel garden, Patio and container plants, Wildlife gardens, Cut flowers, Flower borders and beds
Care notes
Pruning and caring for Allium senescens
- Propagation
- Seed, Division, Offsets
- Pest resistance
- Allium leaf miner, Onion fly, Slugs, Snails, Leek moth, Onion thrips
- Disease resistance
- Onion white rot, Downy mildews, Leek rust, Onion neck rot, Foot and root rots, Fungal leaf spots, Smuts
Frequently asked questions
Where is the best place to plant Allium senescens?
Allium senescens prefers full sun. It suits exposed and sheltered positions.
What soil does Allium senescens need?
Allium senescens is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
How big does Allium senescens grow?
Allium senescens reaches a height of 0.1-0.5 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
How do I propagate Allium senescens?
Seed, Division, Offsets.
More in the Allium genus
- Allium 'Judith'
- Allium 'Summer Beauty'
- Allium cepa 'Goldito'
- Allium christophii (albopilosum)Star of Persia
- Allium hookeri 'Zorami'Hooker Chives
- Allium phanerantherumconspicuous-anthered garlic
- Allium 'Millenium'
- Allium schmitzii