Orchid Gladiolus Plant Care

Orchid Gladiolus (Gladiolus orchidiflorus) belongs to the Iridaceae family within the Gladiolus genus. Orchid Gladiolus is native to growing in clay and sandstone soil in the grasslands of Namaqualand, South Africa. Orchid Gladiolus is also known as Monkey Orchid.

Orchid Gladiolus displays an upright, sword-like foliage growth habit, reaching up to 4 ft tall with a spread of approximately 0.5 ft. Orchid Gladiolus produces tall spikes with multiple colorful trumpet-shaped flowers.

Leaf size: approximately 1 inches.

Water a young or newly planted Orchid Gladiolus every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Orchid Gladiolus thrives in full sun to partial shade.

Gladiolus orchidiflorus tolerates temperatures of 60–90°F. Orchid Gladiolus prefers humidity levels of 40–70%.

Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Orchid Gladiolus to prevent waterlogging, which leads to root rot and fungal issues.

Feed Orchid Gladiolus every 4 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and well-draining sandy loam with added compost for nutrients. Avoid low spots where water collects after rain.

Orchid Gladiolus is suited to USDA Zone 9a – 10b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

Orchid Gladiolus can spread to about 1 ft (0.2 m) and reach about 4 ft (1 m) tall. Space plants about 1 ft (0.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

Prune Orchid Gladiolus while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

Orchid Gladiolus is frost-tender (hardy to USDA zone 9). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Orchid Gladiolus can be propagated through corms, seeds. Similar propagation techniques also apply to cardinal gladiolus plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Orchid Gladiolus is susceptible to thrips, aphids, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Orchid Gladiolus grows outdoors in USDA Zone 9a – 10b. It survives winters down to planting zone 9a. Orchid Gladiolus is native to growing in clay and sandstone soil in the grasslands of Namaqualand, South Africa. In cooler regions, grow Orchid Gladiolus as a houseplant or bring it indoors before the first frost.