Photo: NadiatalentCC BY-SA 4.0via Wikimedia Commonsresized / cropped
Largeleaf Goldenrod Plant Care
Solidago macrophylla Herb.Banks ex Pursh
Updated · Sources · How we source care data
Solidago macrophylla, the largeleaf goldenrod or large-leaved goldenrod, is North American species of herbaceous perennial plants of the family Asteraceae. It is native to eastern and central Canada (from Ontario to Newfoundland & Labrador) and the north-eastern United States (New York and New England). Some of the populations in Québec and Labrador lie north of the Arctic Circle.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Largeleaf Goldenrod?
Water Largeleaf Goldenrod 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 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Largeleaf Goldenrod Native To?
What Is the Largeleaf Goldenrod?
Largeleaf Goldenrod (Solidago macrophylla) belongs to the Asteraceae family within the Solidago genus. Largeleaf Goldenrod is native to eastern and central Canada and the north-eastern United States. Largeleaf Goldenrod is also known as Bigleaf Goldenrod, Aster thyrsoideus, Solidago leiocarpa.
Largeleaf Goldenrod displays an upright, bushy perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Largeleaf Goldenrod produces small, yellow, daisy-like flowers in dense clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Largeleaf Goldenrod?
Solidago macrophylla 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 Largeleaf Goldenrod Need?
Largeleaf Goldenrod thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Largeleaf Goldenrod Prefer?
Solidago macrophylla grows best at temperatures of 60–80°F. Largeleaf Goldenrod prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Largeleaf Goldenrod?
Well-draining, fertile soil with a mix of sand and organic matter. Good drainage is essential for Largeleaf Goldenrod to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Largeleaf Goldenrod?
Feed Largeleaf Goldenrod 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 Largeleaf Goldenrod?
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 Largeleaf Goldenrod?
Largeleaf Goldenrod can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to argentine goldenrod plant care, which shares the same genus.
Is the Largeleaf Goldenrod Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Largeleaf Goldenrod, 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 Largeleaf Goldenrod?
Largeleaf Goldenrod is susceptible to aphids, spider mites, powdery mildew. 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 Largeleaf Goldenrod Need?
Largeleaf Goldenrod grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Largeleaf Goldenrod is native to eastern and central Canada and the north-eastern United States. In cooler regions, grow Largeleaf Goldenrod as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Largeleaf Goldenrod 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 Solidago genus — compare its care with other Solidago species on PlantoScan.
Solidago is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Largeleaf Goldenrod thrives in bright light and direct sun — see other bright-light plants.
More Solidago Species
Other Solidago species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Solidago macrophylla Herb.Banks ex Pursh, family Asteraceae (first published in Fl. Amer. Sept. 2: 542 (1813)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Largeleaf Goldenrod, 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: Nadiatalent, CC BY-SA 4.0, 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.
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