Zizia trifoliata Plant Care
Zizia trifoliata (Michx.) Fernald
Updated · Sources · How we source care data
Zizia trifoliata, known by the common name of meadow alexanders, is a member of the carrot family, Apiaceae. It is a perennial herb, native primarily to the Appalachian Mountains in the southeastern United States, but is less commonly found throughout Georgia, Florida, Alabama, and Arkansas.
Every 7–10 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Zizia trifoliata?
Water Zizia trifoliata every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Zizia trifoliata?
Zizia trifoliata (Zizia trifoliata) belongs to the Apiaceae family within the Zizia genus.
Zizia trifoliata displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Zizia trifoliata produces small clusters of yellow flowers in umbels.
Leaf size: approximately 3 inches.
How Often Should You Water a Zizia trifoliata?
Zizia trifoliata 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 Zizia trifoliata Need?
Zizia trifoliata thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Zizia trifoliata Prefer?
Zizia trifoliata grows best at temperatures of 50–80°F. Zizia trifoliata prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Zizia trifoliata?
Moist, well-draining soil with high organic matter content. Good drainage is essential for Zizia trifoliata to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Zizia trifoliata?
Feed Zizia trifoliata 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 Zizia trifoliata?
Divide clumps 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 Zizia trifoliata?
Zizia trifoliata can be propagated through seeds, division. Similar propagation techniques also apply to heartleaf alexanders plant care, which shares the same genus.
Is the Zizia trifoliata Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Zizia trifoliata, 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 Zizia trifoliata?
Zizia trifoliata is susceptible to aphids, caterpillars, spider mites. 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 Zizia trifoliata Need?
Zizia trifoliata grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Zizia trifoliata as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Zizia trifoliata 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 Zizia genus — compare its care with other Zizia species on PlantoScan.
Zizia is part of the Apiaceae plant family — browse all Apiaceae genera and species.
Zizia trifoliata 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: Zizia trifoliata (Michx.) Fernald, family Apiaceae (first published in Rhodora 42: 298 (1940)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Zizia trifoliata, 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.
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