
Photo: Georg SlickersCC BY-SA 4.0via Wikimedia Commonsresized / cropped
Scentless Mayweed Plant Care
Tripleurospermum inodorum (L.) Sch.Bip.
Updated · Sources · How we source care data
Tripleurospermum inodorum, common names scentless false mayweed, scentless mayweed, scentless chamomile, wild chamomile, mayweed, false chamomile, and Baldr's brow, is the type species of Tripleurospermum. This plant is native to Eurasia and North Africa, and introduced to North America, where it is commonly found in fields, fallow land and gardens.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Scentless Mayweed?
Plant Scentless Mayweed 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. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Scentless Mayweed Native To?
What Is the Scentless Mayweed?
Scentless Mayweed (Tripleurospermum inodorum) belongs to the Asteraceae family within the Tripleurospermum genus. Scentless Mayweed is native to Eurasia, and introduced to North America. Scentless Mayweed is also known as Wild Chamomile, Anthemis perforata, Anthemis vulgaris.
Scentless Mayweed displays a low-growing mat-forming growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Scentless Mayweed produces small daisy-like white flowers.
Leaf size: approximately 1 inches.
How Often Should You Water a Scentless Mayweed?
Water a young or newly planted Scentless Mayweed 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 Scentless Mayweed Need?
Scentless Mayweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Scentless Mayweed Prefer?
Tripleurospermum inodorum tolerates temperatures of 50–75°F. Scentless Mayweed prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Scentless Mayweed?
Well-draining sandy soil with added organic matter. Good drainage is essential for Scentless Mayweed to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Scentless Mayweed?
Feed Scentless Mayweed 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 Scentless Mayweed?
Choose a spot with full sun to partial shade and well-draining sandy soil with added organic matter. Avoid low spots where water collects after rain.
Scentless Mayweed 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 Scentless Mayweed?
Scentless Mayweed 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 Scentless Mayweed?
Prune Scentless Mayweed 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 Scentless Mayweed in Winter?
Scentless Mayweed 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 Scentless Mayweed?
Scentless Mayweed can be propagated through seeds, division. Similar propagation techniques also apply to sea mayweed plant care, which shares the same genus.
Is the Scentless Mayweed Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Scentless Mayweed?
Scentless Mayweed is susceptible to aphids, spider mites, whiteflies. 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 Scentless Mayweed Need?
Scentless Mayweed grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Scentless Mayweed is native to Eurasia, and introduced to North America. In cooler regions, grow Scentless Mayweed as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Scentless Mayweed 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 Tripleurospermum genus — compare its care with other Tripleurospermum species on PlantoScan.
Tripleurospermum is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Scentless Mayweed 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: Tripleurospermum inodorum (L.) Sch.Bip., family Asteraceae (first published in Tanaceteen : 32 (1844)) — World Flora Online record, IPNI name record.
- Pet toxicity: Scentless Mayweed is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Georg Slickers, CC BY-SA 4.0, Wikimedia Commons — original.
- 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.
