Spreading Boltonia Plant Care
Boltonia diffusa Elliott
Updated · Sources · How we source care data
Boltonia diffusa, the smallhead doll's daisy, is a North American species of plants in the family Asteraceae. It is native to the United States, primarily the states along the Gulf of Mexico from Texas to Florida plus the lower Mississippi Valley from Louisiana to Illinois.
Every 7–10 days
Full sun to partial shade
65–75°F
40–60%
At a glance
How do you care for Spreading Boltonia?
Water Spreading Boltonia 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 65–75°F (18–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Spreading Boltonia Native To?
What Is the Spreading Boltonia?
Spreading Boltonia (Boltonia diffusa) belongs to the Asteraceae family within the Boltonia genus. Spreading Boltonia is native to the United States, primarily the states along the Gulf of Mexico from Texas to Florida plus the lower Mississippi Valley from Louisiana to Illinois.
Spreading Boltonia displays an upright, bushy perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Spreading Boltonia produces daisy-like flowers in shades of white, pink, or lavender.
Leaf size: approximately 4 inches.
How Often Should You Water a Spreading Boltonia?
Boltonia diffusa 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 Spreading Boltonia Need?
Spreading Boltonia thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Spreading Boltonia Prefer?
Boltonia diffusa grows best at temperatures of 65–75°F. Spreading Boltonia prefers humidity levels of 40–60%.
Temperature
65–75°F
Humidity
40–60%
What Soil Mix Works Best for a Spreading Boltonia?
Moist, well-draining soil with high organic content. Good drainage is essential for Spreading Boltonia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Spreading Boltonia?
Feed Spreading Boltonia 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 Spreading Boltonia?
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 Spreading Boltonia?
Spreading Boltonia can be propagated through seeds, division. Similar propagation techniques also apply to false aster plant care, which shares the same genus.
Is the Spreading Boltonia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Spreading Boltonia, 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 Spreading Boltonia?
Spreading Boltonia is susceptible to aphids, spider mites, leafhoppers. 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 Spreading Boltonia Need?
Spreading Boltonia grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Spreading Boltonia is native to the United States, primarily the states along the Gulf of Mexico from Texas to Florida plus the lower Mississippi Valley from Louisiana to Illinois. In cooler regions, grow Spreading Boltonia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Spreading Boltonia 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 Boltonia genus — compare its care with other Boltonia species on PlantoScan.
Boltonia is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Spreading Boltonia 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: Boltonia diffusa Elliott, family Asteraceae (first published in Sketch Bot. S. Carolina 2: 400 (1823)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Spreading Boltonia, 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 13b, 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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