About

Plum Tart' is a tall cormous perennial with spikes of rich plum-purple flowers to 14cm across, in early and mid-summer.

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
AspectWest-facing, South-facing, East-facing
ExposureSheltered
UK hardinessH3

Plant details

Plant typeBulbs
HabitBushy
FoliageDeciduous
Height1-1.5 metres
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Coastal, Cottage 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 on a bed of sharp sand in fertile, well-drained soil. 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 by separating cormlets when dormant
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