Photo: Mason Brock ( Masebrock )Public domainvia Wikimedia Commons
Chrysanthemum pacificum Plant Care
Ajania pacifica (Nakai) K.Bremer & Humphries
Updated · Sources · How we source care data
Chrysanthemum pacificum, commonly called gold and silver chrysanthemum, is a flowering plant in the aster family. It is native to Japan, where it is endemic to the island of Honshū. Its natural habitat is along the Pacific coast, where it often grows on ocean cliffs.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Chrysanthemum pacificum?
Water Chrysanthemum pacificum 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 50–75°F (10–24°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 Chrysanthemum pacificum Native To?
What Is the Chrysanthemum pacificum?
Chrysanthemum pacificum (Ajania pacifica) belongs to the Asteraceae family within the Ajania genus. Chrysanthemum pacificum is native to Japan. Chrysanthemum pacificum is also known as Dendranthema pacificum, Tanacetum pacificum.
Chrysanthemum pacificum displays a low mounding perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Chrysanthemum pacificum produces small daisy-like flowers in shades of yellow, orange, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Chrysanthemum pacificum?
Ajania pacifica 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 Chrysanthemum pacificum Need?
Chrysanthemum pacificum thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Chrysanthemum pacificum Prefer?
Ajania pacifica grows best at temperatures of 50–75°F. Chrysanthemum pacificum prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Chrysanthemum pacificum?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Chrysanthemum pacificum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Chrysanthemum pacificum?
Feed Chrysanthemum pacificum 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 Chrysanthemum pacificum?
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 Chrysanthemum pacificum?
Chrysanthemum pacificum can be propagated through seeds, division of clumps.
Is the Chrysanthemum pacificum 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 Chrysanthemum pacificum?
Chrysanthemum pacificum 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 Chrysanthemum pacificum Need?
Chrysanthemum pacificum grows outdoors in USDA Zone 5a – 9b. It survives winters down to planting zone 5a. Chrysanthemum pacificum is native to Japan.
Hardiness Zone
Zone 5a – 9b
Keep exploring plants
Chrysanthemum pacificum 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 Ajania genus — compare its care with other Ajania species on PlantoScan.
Ajania is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Chrysanthemum pacificum 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: Ajania pacifica (Nakai) K.Bremer & Humphries, family Asteraceae (first published in Bull. Nat. Hist. Mus. (London), Bot. 23(2): 115 (1993)) — World Flora Online record, IPNI name record.
- Pet toxicity: Chrysanthemum pacificum 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: Mason Brock ( Masebrock ), Public domain, Wikimedia Commons — original.
- Hardiness zone: USDA Zone 5a – 9b, 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.
Identify Plants Like the
Chrysanthemum pacificum 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