Semiretschenskia Incarvillea Plant Care
Incarvillea semiretschenskia (B.Fedtsch.) Grierson
Updated · Sources · How we source care data
Incarvillea semiretschenskia is a rare perennial flower endemic to dry, rocky hillsides in Kazakhstan, placed on the IUCN Red List in 1997. It was first described as Niedzwedzkia semiretschenskia, the only species in the genus Niedzwedzkia.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Semiretschenskia Incarvillea?
Water Semiretschenskia Incarvillea 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 Semiretschenskia Incarvillea Native To?
What Is the Semiretschenskia Incarvillea?
Semiretschenskia Incarvillea (Incarvillea semiretschenskia) belongs to the Bignoniaceae family within the Incarvillea genus. Semiretschenskia Incarvillea is native to dry, rocky hillsides in Kazakhstan, placed on the IUCN Red List in 1997.
Semiretschenskia Incarvillea displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Semiretschenskia Incarvillea produces tubular flowers in shades of pink, purple, or white.
Leaf size: approximately 6 inches.
How Often Should You Water a Semiretschenskia Incarvillea?
Incarvillea semiretschenskia 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 Semiretschenskia Incarvillea Need?
Semiretschenskia Incarvillea thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Semiretschenskia Incarvillea Prefer?
Incarvillea semiretschenskia grows best at temperatures of 50–80°F. Semiretschenskia Incarvillea prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Semiretschenskia Incarvillea?
Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Semiretschenskia Incarvillea to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Semiretschenskia Incarvillea?
Feed Semiretschenskia Incarvillea 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 Semiretschenskia Incarvillea?
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 Semiretschenskia Incarvillea?
Semiretschenskia Incarvillea can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to hardy gloxinia plant care, which shares the same genus.
Is the Semiretschenskia Incarvillea Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Semiretschenskia Incarvillea, 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 Semiretschenskia Incarvillea?
Semiretschenskia Incarvillea 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 Semiretschenskia Incarvillea Need?
Semiretschenskia Incarvillea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Semiretschenskia Incarvillea is native to dry, rocky hillsides in Kazakhstan, placed on the IUCN Red List in 1997. In cooler regions, grow Semiretschenskia Incarvillea as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Semiretschenskia Incarvillea 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.
Semiretschenskia Incarvillea 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 semiretschenskia (B.Fedtsch.) Grierson, family Bignoniaceae (first published in Notes Roy. Bot. Gard. Edinburgh 23: 350 (1961)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Semiretschenskia Incarvillea, 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 12a, 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.
