Photo: no rights reservedCC0 1.0via iNaturalist
Golden Alexanders Plant Care
Zizia aurea (L.) W.D.J.Koch
Updated · Sources · How we source care data
With its delicate, feathery leaves and bright golden hues, this plant originates from North America and is highly sought after by plant collectors for its unique beauty. Its striking appearance adds a pop of color to any garden or landscape, making it a prized addition for those looking to create a visually stunning display.
Every 7–10 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Golden Alexanders?
Water Golden Alexanders 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.
Where Is the Golden Alexanders Native To?
What Is the Golden Alexanders?
Golden Alexanders (Zizia aurea) belongs to the Apiaceae family within the Zizia genus. Golden Alexanders is native to eastern Canada and the United States, from the eastern Great Plains to the Atlantic Coast. Golden Alexanders is also known as Meadow Parsnip, Heartleaf Alexanders.
Golden Alexanders displays a clumping perennial herb growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Golden Alexanders produces small clusters of yellow flowers in umbels.
Leaf size: approximately 3 inches.
How Often Should You Water a Golden Alexanders?
Zizia aurea 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 Golden Alexanders Need?
Golden Alexanders thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Golden Alexanders Prefer?
Zizia aurea grows best at temperatures of 50–80°F. Golden Alexanders prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Golden Alexanders?
Moist, well-draining soil with high organic matter content. Good drainage is essential for Golden Alexanders to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Golden Alexanders?
Feed Golden Alexanders 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 Golden Alexanders?
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 Golden Alexanders?
Golden Alexanders can be propagated through seeds, division. Similar propagation techniques also apply to heartleaf alexanders plant care, which shares the same genus.
Is the Golden Alexanders Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Golden Alexanders, 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 Golden Alexanders?
Golden Alexanders 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 Golden Alexanders Need?
Golden Alexanders grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Golden Alexanders is native to eastern Canada and the United States, from the eastern Great Plains to the Atlantic Coast.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Golden Alexanders 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.
Golden Alexanders 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 aurea (L.) W.D.J.Koch, family Apiaceae (first published in Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 12(1): 129. 1824 [ante 28 Oct 1824]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Golden Alexanders, 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: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 3a – 8b, estimated from the plant's typical growing conditions.
- 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
Golden Alexanders 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