Image: AI generated
Walter’s pyrethrum Plant Care
Tzvelevopyrethrum walteri (C.Winkl.) Kamelin
Updated · Sources · How we source care data
This plant's long, narrow leaves are a striking silvery-green color, giving it a unique appearance. Originating from the mountainous regions of Central Asia, Tzvelevopyrethrum walteri is highly sought after by plant collectors for its rare beauty and ability to thrive in cooler climates.
Every 7–10 days
Full sun to partial shade
60–75°F
40–60%
At a glance
How do you care for Walter’s pyrethrum?
Water Walter’s pyrethrum every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. 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 Walter’s pyrethrum Native To?
What Is the Walter’s pyrethrum?
Walter’s pyrethrum (Tzvelevopyrethrum walteri) belongs to the Asteraceae family within the Tzvelevopyrethrum genus. Walter’s pyrethrum is native to two countries, Iran and Turkmenistan. Walter’s pyrethrum is also known as T. walteri.
Walter’s pyrethrum displays a compact, clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Walter’s pyrethrum produces daisy-like flowers in various colors such as white, pink, and purple.
Leaf size: approximately 4 inches.
How Often Should You Water a Walter’s pyrethrum?
Tzvelevopyrethrum walteri 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 Walter’s pyrethrum Need?
Walter’s pyrethrum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Walter’s pyrethrum Prefer?
Tzvelevopyrethrum walteri grows best at temperatures of 60–75°F. Walter’s pyrethrum prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Walter’s pyrethrum?
Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Walter’s pyrethrum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Walter’s pyrethrum?
Feed Walter’s pyrethrum 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 Walter’s pyrethrum?
Repot every 2-3 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 Walter’s pyrethrum?
Walter’s pyrethrum can be propagated through division, seeds.
Is the Walter’s pyrethrum 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 Walter’s pyrethrum?
Walter’s pyrethrum 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 Walter’s pyrethrum Need?
Walter’s pyrethrum grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Walter’s pyrethrum is native to two countries, Iran and Turkmenistan. In cooler regions, grow Walter’s pyrethrum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Walter’s pyrethrum 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 Tzvelevopyrethrum genus — compare its care with other Tzvelevopyrethrum species on PlantoScan.
Tzvelevopyrethrum is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Walter’s pyrethrum 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: Tzvelevopyrethrum walteri (C.Winkl.) Kamelin, family Asteraceae (first published in Opred. Rast. Sred. Azii 10: 635 (1993): (1993)) — World Flora Online record, IPNI name record.
- Pet toxicity: Walter’s pyrethrum 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: AI-generated illustration (labelled on the image).
- 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.
Identify Plants Like the
Walter’s pyrethrum 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.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species