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Thick-leaved gladiolus

Gladiolus crassifolius

Also called Thickleaf Gladiolus

Thick-leaved gladiolus
Photo: Ton Rulkens, CC BY-SA 2.0

Thick-leaved gladiolus is a tuberous perennial from Africa, grown for its scarlet flowers with yellow centres on sturdy stems. It is a wild species, less common in gardens than hybrid gladiolus, and does best in a sunny, well-drained spot.

Family
Iridaceae (Iris family)
Grows as
Perennial
Light
Full sun
Water
Water regularly during active growth and let the soil dry out a little between waterings; avoid waterlogging.
Soil
Well-drained, fertile soil or a loam-based potting mix.
Temperature
15–28 °C; protect below 5 °C, as corms are not frost-hardy.
How easy
Moderate
Native range
Tanzania to S. Africa
Climate
subtropical

About

Gladiolus crassifolius is a species of Gladiolus found in Africa. It is a perennial species with substantial stems and brightly coloured flowers. There are many synonyms of Gladiolus crassifolius.

In tropical areas Gladiolus crassifolius is known as Gladiolus thomsonii. It is found in the Afro-alpine zone of Mount Kenya, up to around 3,300 m (11,000 ft). It has scarlet petals with yellow centres and a strong stem, and has been seen growing in a variety of habitats such as forest edges and open grassland.

Other Gladiolus plants

Gladiolus aladagensis · Turkey-chick · Painted Lady · Gladiolus × byzantinus · New Year Lily · Blue Afrikaner · Hermanus Cliff Gladiolus · Broadleaf Painted Lady · Pink Afrikaner · Gladiolus · Cornflag · Dragon's Head Lily

Text excerpted from the Wikipedia article Gladiolus crassifolius by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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