Wild Calla Plant Care

Wild Calla (Impatiens tinctoria) belongs to the Balsaminaceae family within the Impatiens genus. Wild Calla is native to tropical Africa. Wild Calla is also known as African Calla Lily, Lady's Slipper.

Wild Calla displays a low mounding, spreading growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Wild Calla produces colorful, single or double blooms in various shades.

Leaf size: approximately 3 inches.

Water a young or newly planted Wild Calla every 3–4 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.

Wild Calla thrives in bright indirect light. Avoid placing Wild Calla in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Impatiens tinctoria tolerates temperatures of 60–80°F. Wild Calla prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Moist, well-draining soil rich in organic matter. Good drainage is essential for Wild Calla to prevent waterlogging, which leads to root rot and fungal issues.

Feed Wild Calla 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 bright indirect light and moist, well-draining soil rich in organic matter. Avoid low spots where water collects after rain.

Wild Calla is suited to USDA Zone 8a – 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.

Wild Calla can spread to about 2 ft (0.5 m) and reach about 2 ft (0 m) tall. Space plants about 2 ft (0.5 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 Wild Calla 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.

Wild Calla is hardy down to USDA zone 8a, so once established it can stay outdoors through winter in that zone and warmer ones.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown shrubs need extra protection: roots in a pot freeze much more easily than roots in the ground.

Wild Calla can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to dwarf jewelweed plant care, which shares the same genus.

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

Wild Calla is susceptible to aphids, spider mites, whiteflies. 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.

Wild Calla grows outdoors in USDA Zone 8a – 10b. It survives winters down to planting zone 8a. Wild Calla is native to tropical Africa.