Overview

Gladiolus illyricus is a upright bulbs in the genus Gladiolus, part of the Iridaceae family, with green foliage. Gladiolus illyricus grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include cut flowers, borders and containers.

About

Gladiolus illyricus, the wild gladiolus, is a flowering plant in the family Iridaceae. It is tall gladiolus that grows up to 50 centimeters (20 in) tall found in western and southern Europe, particularly around the Mediterranean region. In Britain a small population is known in the New Forest region; Williamson suggests this population may be introduced. It is native to Albania, Baleares, Bulgaria, East Aegean Is., France and other regions. In the garden it prefers full sun and loam soil. In UK gardens it is hardy in most of the UK (RHS H5). Suggested uses include cut flowers, borders and containers. It tolerates neutral soils, well-drained conditions and south-facing, west-facing and east-facing aspects. Plant corms 10-15cm deep in fertile, well-drained soil in full sun after last frost. Stake tall varieties.

Wikipedia contributors, CC BY-SA 4.0Gladiolus illyricus

Growing conditions

Best soil and position for Gladiolus

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Gladiolus illyricus size, habit and characteristics

Plant type
Bulbs
Habit
Upright
Foliage
Green
Suggested uses
Cut flowers, Borders, Containers

Care notes

Pruning and caring for Gladiolus illyricus

Propagation
Division, Cormlets
Pest resistance
Aphids, Slugs
Disease resistance
Botrytis, Fusarium bulb rot, Fungal leaf spot

Frequently asked questions

Where is the best place to plant Gladiolus illyricus?

Gladiolus illyricus prefers full sun. It suits sheltered positions.

What soil does Gladiolus illyricus need?

Gladiolus illyricus grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Gladiolus illyricus hardy in the UK?

Gladiolus illyricus has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Gladiolus illyricus?

Division, Cormlets.

More in the Gladiolus genus

Browse all Gladiolus