Hardy Gloxinia Plant Care
Incarvillea delavayi Bureau & Franch.
Updated · Sources · How we source care data
With its striking, trumpet-shaped bright pink flowers, this plant originating from the mountains of China is a must-have for plant collectors. The unique appearance of Incarvillea delavayi's blooms adds a pop of vibrant color to any garden, making it a sought-after addition for those looking to create a visually stunning landscape.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Hardy Gloxinia?
Water Hardy Gloxinia every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Hardy Gloxinia Native To?
What Is the Hardy Gloxinia?
Hardy Gloxinia (Incarvillea delavayi) belongs to the Bignoniaceae family within the Incarvillea genus. Hardy Gloxinia is native to western Sichuan and northwest Yunnan provinces of China. Hardy Gloxinia is also known as Chinese Trumpet Flower, Delavay's Trumpet Flower.
Hardy Gloxinia displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Hardy Gloxinia produces tubular flowers in shades of pink, purple, or white.
Leaf size: approximately 6 inches.
How Often Should You Water a Hardy Gloxinia?
Incarvillea delavayi 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 Hardy Gloxinia Need?
Hardy Gloxinia thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Hardy Gloxinia Prefer?
Incarvillea delavayi grows best at temperatures of 50–80°F. Hardy Gloxinia prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Hardy Gloxinia?
Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Hardy Gloxinia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Hardy Gloxinia?
Feed Hardy Gloxinia 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 Hardy Gloxinia?
Repot every 2-3 years in early 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 Hardy Gloxinia?
Hardy Gloxinia can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to semiretschenskia incarvillea plant care, which shares the same genus.
Is the Hardy Gloxinia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hardy Gloxinia, 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 Hardy Gloxinia?
Hardy Gloxinia 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.
What USDA Hardiness Zone Does the Hardy Gloxinia Need?
Hardy Gloxinia grows outdoors in USDA Zone 5a – 8b. It survives winters down to planting zone 5a. Hardy Gloxinia is native to western Sichuan and northwest Yunnan provinces of China.
Hardiness Zone
Zone 5a – 8b
Keep exploring plants
Hardy Gloxinia 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 Incarvillea genus — compare its care with other Incarvillea species on PlantoScan.
Incarvillea is part of the Bignoniaceae plant family — browse all Bignoniaceae genera and species.
Hardy Gloxinia 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: Incarvillea delavayi Bureau & Franch., family Bignoniaceae (first published in J. Bot. (Morot) 5: 138 (1891)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hardy Gloxinia, 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 5a – 8b, estimated from the plant's typical growing conditions.
- 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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