
Photo: HectonichusCC BY-SA 3.0via Wikimedia Commonsresized / cropped
Achillea herba-rota Plant Care
Achillea erba-rotta All.
Updated · Sources · How we source care data
Achillea erba-rotta, common name simple leaved milfoil, is a perennial flowering plant of the genus Achillea, belonging to the sunflower family.
Every 7–10 days
Full sun to part shade
60–75°F
40–60%
At a glance
How do you care for Achillea herba-rota?
Water Achillea herba-rota every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Achillea herba-rota?
Achillea herba-rota (Achillea erba-rotta) belongs to the Asteraceae family within the Achillea genus. Achillea herba-rota is also known as Ptarmica erba-rotta.
Achillea herba-rota displays a clump-forming perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Achillea herba-rota produces flat-topped clusters of small, daisy-like flowers in various colors.
Leaf size: approximately 4 inches.
How Often Should You Water a Achillea herba-rota?
Achillea erba-rotta 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 Achillea herba-rota Need?
Achillea herba-rota thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Achillea herba-rota Prefer?
Achillea erba-rotta grows best at temperatures of 60–75°F. Achillea herba-rota prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Achillea herba-rota?
Well-draining, sandy soil with good organic content. Good drainage is essential for Achillea herba-rota to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Achillea herba-rota?
Feed Achillea herba-rota 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 Achillea herba-rota?
Divide clumps every 2-3 years. 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 Achillea herba-rota?
Achillea herba-rota can be propagated through division, seeds.
Is the Achillea herba-rota Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Achillea herba-rota, 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 Achillea herba-rota?
Achillea herba-rota 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 Achillea herba-rota Need?
Achillea herba-rota grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Achillea herba-rota as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Achillea herba-rota 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 Achillea genus (family Asteraceae) — search all Achillea species in the plant lookup.
Achillea herba-rota 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: Achillea erba-rotta All., family Asteraceae (first published in Auct. Syn. Meth. Stirp. Hort. Regii Taur. : 17 (1773)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Achillea herba-rota, 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: Hectonichus, CC BY-SA 3.0, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 13a, 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.
