Photo: Mason Brock ( Masebrock )Public domainvia Wikimedia Commons
Sweet Joe-Pye Weed Plant Care
Eutrochium purpureum (L.) E.E.Lamont
Updated · Sources · How we source care data
Eutrochium purpureum, commonly known as purple Joe-Pye weed or sweetscented joe pye weed, is an herbaceous perennial plant in the family Asteraceae. It is native to eastern and central North America, from Ontario east to New Hampshire and south as far as Florida, Louisiana, and Oklahoma.
Every 7–10 days
Full sun to part shade
60–75°F
40–60%
At a glance
How do you care for Sweet Joe-Pye Weed?
Water Sweet Joe-Pye Weed 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 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Sweet Joe-Pye Weed Native To?
What Is the Sweet Joe-Pye Weed?
Sweet Joe-Pye Weed (Eutrochium purpureum) belongs to the Asteraceae family within the Eutrochium genus. Sweet Joe-Pye Weed is native to eastern and central North America, from Ontario east to New Hampshire and south as far as Florida, Louisiana, and Oklahoma. Sweet Joe-Pye Weed is also known as Joe Pye Weed, Purple Joe-Pye Weed, Eupatorium purpureum.
Sweet Joe-Pye Weed displays a clump-forming perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Sweet Joe-Pye Weed produces showy clusters of pink, purple, or white flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Sweet Joe-Pye Weed?
Eutrochium purpureum 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 Sweet Joe-Pye Weed Need?
Sweet Joe-Pye Weed thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Sweet Joe-Pye Weed Prefer?
Eutrochium purpureum grows best at temperatures of 60–75°F. Sweet Joe-Pye Weed prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Sweet Joe-Pye Weed?
Moist, well-draining soil with high organic content. Good drainage is essential for Sweet Joe-Pye Weed to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sweet Joe-Pye Weed?
Feed Sweet Joe-Pye Weed 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 Sweet Joe-Pye Weed?
Divide and 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 Sweet Joe-Pye Weed?
Sweet Joe-Pye Weed can be propagated through division, seeds. Similar propagation techniques also apply to joe pye weed plant care, which shares the same genus.
Is the Sweet Joe-Pye Weed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sweet Joe-Pye Weed, 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 Sweet Joe-Pye Weed?
Sweet Joe-Pye Weed is susceptible to aphids, 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 Sweet Joe-Pye Weed Need?
Sweet Joe-Pye Weed grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Sweet Joe-Pye Weed is native to eastern and central North America, from Ontario east to New Hampshire and south as far as Florida, Louisiana, and Oklahoma. In cooler regions, grow Sweet Joe-Pye Weed as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Sweet Joe-Pye Weed 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 Eutrochium genus — compare its care with other Eutrochium species on PlantoScan.
Eutrochium is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Sweet Joe-Pye Weed 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: Eutrochium purpureum (L.) E.E.Lamont, family Asteraceae (first published in Sida 21: 902 (2004)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sweet Joe-Pye Weed, 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: Mason Brock ( Masebrock ), Public domain, Wikimedia Commons — original.
- 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.
Identify Plants Like the
Sweet Joe-Pye Weed Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species