Sanctuary Fleabane Plant Care

Erigeron sanctarum s.wats. ex Brandegee

Updated · Sources · How we source care data

Erigeron sanctarum is an uncommon species of flowering plant in the family Asteraceae known by the common names saints fleabane and saints daisy. It is endemic to California, where it is known from San Luis Obispo and Santa Barbara Counties including two of the Channel Islands.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

40–60%

At a glance

How do you care for Sanctuary Fleabane?

Plant Sanctuary Fleabane in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–75°F (10–24°C). Fertilize it every 6 months during the growing season.

Where Is the Sanctuary Fleabane Native To?

Native range1 country

What Is the Sanctuary Fleabane?

Sanctuary Fleabane (Erigeron sanctarum) belongs to the Asteraceae family within the Erigeron genus. Sanctuary Fleabane is native to California.

Sanctuary Fleabane displays a low rosette, spreading growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Sanctuary Fleabane produces daisy-like flowers in shades of pink, purple, or white.

Leaf size: approximately 2 inches.

How Often Should You Water a Sanctuary Fleabane?

Water a young or newly planted Sanctuary Fleabane every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–10 days

Until established; then in dry spells

What Light Does the Sanctuary Fleabane Need?

Sanctuary Fleabane thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Sanctuary Fleabane Prefer?

Erigeron sanctarum tolerates temperatures of 50–75°F. Sanctuary Fleabane prefers humidity levels of 40–60%.

Temperature

50–75°F

Humidity

40–60%

What Soil Mix Works Best for a Sanctuary Fleabane?

Well-draining sandy loam with added organic matter. Good drainage is essential for Sanctuary Fleabane to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Sanctuary Fleabane?

Feed Sanctuary Fleabane every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Sanctuary Fleabane?

Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.

Sanctuary Fleabane is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Sanctuary Fleabane?

Sanctuary Fleabane can spread to about 1 ft (0.3 m) and reach about 1 ft (0 m) tall. Space plants about 1 ft (0.3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the plant spacing calculator.

How Do You Prune a Sanctuary Fleabane?

Prune Sanctuary Fleabane while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the shrub in one year.

How Do You Care for a Sanctuary Fleabane in Winter?

Sanctuary Fleabane is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Sanctuary Fleabane?

Sanctuary Fleabane can be propagated through seeds, division of clumps. Similar propagation techniques also apply to canadian fleabane plant care, which shares the same genus.

Is the Sanctuary Fleabane Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Sanctuary Fleabane, 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 Sanctuary Fleabane?

Sanctuary Fleabane 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 Sanctuary Fleabane Need?

Sanctuary Fleabane grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Sanctuary Fleabane is native to California. In cooler regions, grow Sanctuary Fleabane as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Sanctuary Fleabane 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 Erigeron genus — compare its care with other Erigeron species on PlantoScan.

Erigeron is part of the Asteraceae plant family — browse all Asteraceae genera and species.

Sanctuary Fleabane thrives in bright light and direct sun — see other bright-light plants.

More Erigeron Species

Other Erigeron species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Erigeron sanctarum s.wats. ex Brandegee, family Asteraceae (first published in Proc. Calif. Acad. Sci. ser. 2, 1: 212, nomen 83 1888) — World Flora Online record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Sanctuary Fleabane, 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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