Giant Kalbreyeriella Plant Care

Kalbreyeriella gigas Leonard

Updated · Sources · How we source care data

This plant boasts large, velvety leaves with striking silver markings along the edges, making it a standout in any collection. Hailing from the cloud forests of South America, the Kalbreyeriella gigas is highly sought after by plant collectors for its unique foliage and rare appearance. Its impressive size and distinctive variegation make it a must-have for any plant enthusiast looking to add a touch of exotic beauty to their indoor jungle.

🌿Shrubs🪴Houseplants
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Giant Kalbreyeriella?

Water Giant Kalbreyeriella every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.

What Is the Giant Kalbreyeriella?

Giant Kalbreyeriella (Kalbreyeriella gigas) belongs to the Acanthaceae family within the Kalbreyeriella genus. Giant Kalbreyeriella is native to Brazil, Colombia, Peru. Giant Kalbreyeriella is also known as Gigantic Leaf Plant.

Giant Kalbreyeriella displays a compact, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Giant Kalbreyeriella produces tubular flowers in shades of pink, purple, or white.

Leaf size: approximately 4 inches.

How Often Should You Water a Giant Kalbreyeriella?

Kalbreyeriella gigas requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Giant Kalbreyeriella Need?

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

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Giant Kalbreyeriella Prefer?

Kalbreyeriella gigas grows best at temperatures of 65–80°F. Giant Kalbreyeriella prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

50–70%

What Soil Mix Works Best for a Giant Kalbreyeriella?

Well-draining, rich loamy soil with added organic matter for moisture retention. Good drainage is essential for Giant Kalbreyeriella to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Giant Kalbreyeriella?

Feed Giant Kalbreyeriella every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

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

How Do You Repot a Giant Kalbreyeriella?

Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Giant Kalbreyeriella?

Giant Kalbreyeriella can be propagated through stem cuttings, division, seeds.

Is the Giant Kalbreyeriella Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Giant Kalbreyeriella, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

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

What Pests and Diseases Affect the Giant Kalbreyeriella?

Giant Kalbreyeriella is susceptible to spider mites, aphids, mealybugs. 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.

What USDA Hardiness Zone Does the Giant Kalbreyeriella Need?

Giant Kalbreyeriella grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Giant Kalbreyeriella is native to Brazil, Colombia, Peru. In cooler regions, grow Giant Kalbreyeriella as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Giant Kalbreyeriella is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Kalbreyeriella genus — compare its care with other Kalbreyeriella species on PlantoScan.

Kalbreyeriella is part of the Acanthaceae plant family — browse all Acanthaceae genera and species.

Giant Kalbreyeriella thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Kalbreyeriella gigas Leonard, family Acanthaceae (first published in Contr. U.S. Natl. Herb. 31: 412 (1958)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Giant Kalbreyeriella, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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