Annual Fleabane (Baccharoides anthelmintica)

Photo: BrabindraCC BY-SA 3.0via Wikimedia Commonsresized / cropped

Annual Fleabane Plant Care

Baccharoides anthelmintica (L.) Moench

Updated · Sources · How we source care data

This plant is known for its striking silver-green leaves that are covered in fine hairs, giving it a soft, velvety appearance. Originating from the Andes mountains in South America, Baccharoides anthelmintica is highly sought after by plant collectors for its unique foliage and ability to thrive in cooler temperatures.

🌱Herbs🌼Perennials🌻Annuals
Water

Every 10–14 days

Light

Full sun to partial shade

Temp

65–75°F

Humidity

40–60%

At a glance

How do you care for Annual Fleabane?

Water Annual Fleabane every 10–14 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 month during the growing season.

Where Is the Annual Fleabane Native To?

Native range18 countries

What Is the Annual Fleabane?

Annual Fleabane (Baccharoides anthelmintica) belongs to the Asteraceae family within the Baccharoides genus. Annual Fleabane is native to South Asia and Eastern Africa. Annual Fleabane is also known as Annual Horseweed, Ascaricida anthelminthica, Ascaricida indica.

Annual Fleabane displays a low rosette, spreading growth habit, reaching up to 2 ft tall with a spread of approximately 1 ft. Annual Fleabane produces small daisy-like flowers in various colors.

Leaf size: approximately 3 inches.

How Often Should You Water a Annual Fleabane?

Baccharoides anthelmintica requires watering every 10–14 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 10–14 days

Let soil partially dry between waterings

What Light Does the Annual Fleabane Need?

Annual Fleabane thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Annual Fleabane Prefer?

Baccharoides anthelmintica grows best at temperatures of 65–75°F. Annual Fleabane prefers humidity levels of 40–60%.

Temperature

65–75°F

Humidity

40–60%

What Soil Mix Works Best for a Annual Fleabane?

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

How Often Should You Fertilize a Annual Fleabane?

Feed Annual Fleabane every month 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 month

During the growing season

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

How Do You Repot a Annual Fleabane?

Repot every 1-2 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 Annual Fleabane?

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

Is the Annual Fleabane Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Annual 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 Annual Fleabane?

Annual Fleabane is susceptible to aphids, whiteflies, 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 Annual Fleabane Need?

Annual Fleabane grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Annual Fleabane is native to South Asia and Eastern Africa. In cooler regions, grow Annual Fleabane as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 10a – 11b

Keep exploring plants

Annual 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 Baccharoides genus — compare its care with other Baccharoides species on PlantoScan.

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

Annual Fleabane 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: Baccharoides anthelmintica (L.) Moench, family Asteraceae (first published in Methodus : 578 (1794)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Annual 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.
  • Photo: Brabindra, CC BY-SA 3.0, Wikimedia Commons — original.
  • Hardiness zone: USDA Zone 10a – 11b, 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.

PlantoScan app icon

Identify Plants Like the
Annual Fleabane 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.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species