Allium senescens · Amaryllidaceae

Ornamental Onion

✅ Pet-friendlyPerennial life cycle, returning to sprout annually.30 to 61 cm

LightFull sun

WaterMedium, avoiding waterlogging

DifficultyEasy

ColdResistant down to -10 degrees Celsius

Full sunMedium, avoiding waterloggingEasyResistant down to -10 degrees Celsius

Description & origin

The Ornamental Onion is a perennial plant with narrow leaves and ball-shaped flowers. It is known for its resilience and beauty, making it an excellent choice for gardens.

Size

Maintains an upright habit, ideal for borders and beds.

Foliage

Leaves are narrow and long, with a vibrant green color.

Flowering

Blooms in summer, producing rounded inflorescences.

Detailed care

Light

Prefers full sunlight but tolerates partial shade.

Soil

Well-drained soil rich in organic matter.

Watering

Water moderately, avoiding waterlogging. The soil should dry out between waterings.

Temperature

Resistant to low temperatures but should be protected in very harsh climates.

Fertilising

Fertilize in spring with a balanced fertilizer.

Repotting

Transplant in spring when temperatures begin to warm up.

Pruning

Remove dry leaves and wilted flowers to promote healthy growth.

Propagation

Propagates by division of clumps or by seeds.

Common problems

Root rot

Occurs in waterlogged and poorly drained soils.

Aphid infestations

Can infest the leaves, causing damage.

Fungal diseases

Can arise in high humidity conditions.

Uses & curiosities

In the garden

Ideal for borders and beds
Attracts pollinators such as bees and butterflies
Great for pots on balconies and terraces

Other uses

Used in floral arrangements due to its beauty.

Did you know…

The flowers of the Ornamental Onion attract pollinators such as bees and butterflies. This plant is also used in floral arrangements.