Franseria Wormwood Plant Care

Artemisia franserioides Greene

Updated · Sources · How we source care data

Artemisia franserioides, the ragweed sagebrush or bursage mugwort, is a North American species of plants in the sunflower family. It is native to the southwestern United States as well as northern Mexico (Chihuahua).

🌱Herbs🌼Perennials🌻Annuals
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–75°F

Humidity

30–60%

At a glance

How do you care for Franseria Wormwood?

Plant Franseria Wormwood in full sun to partial shade (USDA zones 12a) and water a young shrub every 7–14 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 Franseria Wormwood Native To?

Native range2 countries

What Is the Franseria Wormwood?

Franseria Wormwood (Artemisia franserioides) belongs to the Asteraceae family within the Artemisia genus. Franseria Wormwood is native to the southwestern United States as well as northern Mexico (Chihuahua).

Franseria Wormwood displays an upright, bushy shrub growth habit, reaching up to 2 ft tall with a spread of approximately 3 ft. Franseria Wormwood produces insignificant small yellow or white flowers.

Leaf size: approximately 2 inches.

How Often Should You Water a Franseria Wormwood?

Water a young or newly planted Franseria Wormwood every 7–14 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 7–14 days

Until established; then in dry spells

What Light Does the Franseria Wormwood Need?

Franseria Wormwood thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Franseria Wormwood Prefer?

Artemisia franserioides tolerates temperatures of 50–75°F. Franseria Wormwood prefers humidity levels of 30–60%.

Temperature

50–75°F

Humidity

30–60%

What Soil Mix Works Best for a Franseria Wormwood?

Well-draining sandy soil with low fertility. Good drainage is essential for Franseria Wormwood to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Franseria Wormwood?

Feed Franseria Wormwood 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 Franseria Wormwood?

Choose a spot with full sun to partial shade and well-draining sandy soil with low fertility. Avoid low spots where water collects after rain.

Franseria Wormwood 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 Franseria Wormwood?

Franseria Wormwood can spread to about 3 ft (0.9 m) and reach about 2 ft (1 m) tall. Space plants about 3 ft (0.9 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 Franseria Wormwood?

Prune Franseria Wormwood 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 Franseria Wormwood in Winter?

Franseria Wormwood 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 Franseria Wormwood?

Franseria Wormwood can be propagated through seeds, division. Similar propagation techniques also apply to southernwood plant care, which shares the same genus.

Is the Franseria Wormwood Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Franseria Wormwood, 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 Franseria Wormwood?

Franseria Wormwood is susceptible to aphids, 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 Franseria Wormwood Need?

Franseria Wormwood grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Franseria Wormwood is native to the southwestern United States as well as northern Mexico (Chihuahua). In cooler regions, grow Franseria Wormwood as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Franseria Wormwood 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 Artemisia genus — compare its care with other Artemisia species on PlantoScan.

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

Franseria Wormwood thrives in bright light and direct sun — see other bright-light plants.

More Artemisia Species

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

Sources

  • Scientific name & taxonomy: Artemisia franserioides Greene, family Asteraceae (first published in Bull. Torrey Bot. Club 10(4): 42 (1883)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Franseria Wormwood, 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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