About

A cormous perennial, to 1m tall, with linear green leaves and lime-green, ruffled flowers held on sturdy stems from summer into autumn.

About the genus

Gladiolus are cormous perennials with fans of sword-shaped or linear leaves and spikes of funnel-shaped flowers

Growing conditions

SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH3

Plant details

Plant typeBulbs, Herbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
ToxicityOrnamental bulbs, not to be eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants

Care notes

CultivationPlant 10 to 16cm deep in fertile, well-drained soil preferably in full sun. Lift when foliage dies back, discard old corms and store new corms in a dry frost-free place until planting in the spring. In milder areas a thick dry winter mulch may suffice
PruningNo pruning required
PropagationPropagate from offsets
Pest resistanceMay be susceptible to gladiolus thrip, aphids and slugs
Disease resistanceMay be susceptible to gladiolus corm rot, grey moulds (Botrytis), Fusarium bulb rot, gladiolus core rot, gladiolus dry rot, gladiolus scab and neck rot, fungal leaf spot, and virus diseases