
Image: AI generated
Tagetes ernstii Plant Care
Tagetes ernstii H.Rob. & Nicolson
Updated · Sources · How we source care data
This plant is known for its striking bright orange and yellow flowers, native to Mexico. Plant collectors are drawn to Tagetes ernstii for its unique coloration and its ability to attract pollinators to the garden with its vibrant blooms.
Every 4–7 days
Full sun
60–80°F
40–60%
At a glance
How do you care for Tagetes ernstii?
Water Tagetes ernstii every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 3 months during the growing season.
Where Is the Tagetes ernstii Native To?
What Is the Tagetes ernstii?
Tagetes ernstii (Tagetes ernstii) belongs to the Asteraceae family within the Tagetes genus. Tagetes ernstii is native to Mexico and Central America.
Tagetes ernstii displays a bushy annual growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Tagetes ernstii produces bright, daisy-like flowers in various colors.
Leaf size: approximately 2 inches.
How Often Should You Water a Tagetes ernstii?
Tagetes ernstii requires watering every 4–7 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 4–7 days
Let soil partially dry between waterings
What Light Does the Tagetes ernstii Need?
Tagetes ernstii thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Tagetes ernstii Prefer?
Tagetes ernstii grows best at temperatures of 60–80°F. Tagetes ernstii prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Tagetes ernstii?
Well-draining, fertile soil with added compost. Good drainage is essential for Tagetes ernstii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Tagetes ernstii?
Feed Tagetes ernstii every 3 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 3 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 Tagetes ernstii?
Annual repotting 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 Tagetes ernstii?
Tagetes ernstii can be propagated through seeds. Similar propagation techniques also apply to marigold plant care, which shares the same genus.
Is the Tagetes ernstii Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Tagetes ernstii, 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 Tagetes ernstii?
Tagetes ernstii 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 Tagetes ernstii Need?
Tagetes ernstii grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Tagetes ernstii is native to Mexico and Central America. In cooler regions, grow Tagetes ernstii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Tagetes ernstii 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 Tagetes genus — compare its care with other Tagetes species on PlantoScan.
Tagetes is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Tagetes ernstii thrives in bright light and direct sun — see other bright-light plants.
More Tagetes Species
Other Tagetes species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Tagetes ernstii H.Rob. & Nicolson, family Asteraceae (first published in Phytologia 34: 328 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Tagetes ernstii, 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.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 13a, 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.
