Pinnatifid Meadow Rue Plant Care
Thaspium pinnatifidum (Buckley) A.Gray
Updated · Sources · How we source care data
Thaspium pinnatifidum, commonly called cutleaf meadow-parsnip, is a species of flowering plant in the carrot family (Apiaceae). It is native to eastern North America where it is found in the southern Appalachian Mountains, being found in parts of Georgia, Kentucky, North Carolina, and Tennessee.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Pinnatifid Meadow Rue?
Water Pinnatifid Meadow Rue 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 Pinnatifid Meadow Rue Native To?
What Is the Pinnatifid Meadow Rue?
Pinnatifid Meadow Rue (Thaspium pinnatifidum) belongs to the Apiaceae family within the Thaspium genus. Pinnatifid Meadow Rue is native to eastern North America.
Pinnatifid Meadow Rue displays an upright, clumping perennial growth habit, reaching up to 2.5 ft tall with a spread of approximately 1.5 ft. Pinnatifid Meadow Rue produces small clusters of yellow flowers in umbels.
Leaf size: approximately 4 inches.
How Often Should You Water a Pinnatifid Meadow Rue?
Thaspium pinnatifidum 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 Pinnatifid Meadow Rue Need?
Pinnatifid Meadow Rue thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Pinnatifid Meadow Rue Prefer?
Thaspium pinnatifidum grows best at temperatures of 50–80°F. Pinnatifid Meadow Rue prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Pinnatifid Meadow Rue?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Pinnatifid Meadow Rue to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Pinnatifid Meadow Rue?
Feed Pinnatifid Meadow Rue 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 Pinnatifid Meadow Rue?
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 Pinnatifid Meadow Rue?
Pinnatifid Meadow Rue can be propagated through seeds, division of root clumps. Similar propagation techniques also apply to hairy meadow parsnip plant care, which shares the same genus.
Is the Pinnatifid Meadow Rue Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Pinnatifid Meadow Rue, 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 Pinnatifid Meadow Rue?
Pinnatifid Meadow Rue 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 Pinnatifid Meadow Rue Need?
Pinnatifid Meadow Rue grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Pinnatifid Meadow Rue is native to eastern North America. In cooler regions, grow Pinnatifid Meadow Rue as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Pinnatifid Meadow Rue 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 Thaspium genus — compare its care with other Thaspium species on PlantoScan.
Thaspium is part of the Apiaceae plant family — browse all Apiaceae genera and species.
Pinnatifid Meadow Rue 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: Thaspium pinnatifidum (Buckley) A.Gray, family Apiaceae (first published in Manual (Gray), ed. 2. 155. 1856) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Pinnatifid Meadow Rue, 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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