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Chrysanthemum pacificum (Ajania pacifica)
Ajania (formerly Chrysanthemum)
At‑a‑glance
- Group/Class: Ajania (formerly Chrysanthemum)
- Height × spread: 12–24 in (30–60 cm) × 12–36 in (30–90 cm)
- Bloom window: October to November
- Color & flower form: yellow button clusters; foliage with silver margins
- Fragrance: 1 trace
- USDA hardiness: zones 5–9
- Breeder / Year / Origin: unknown
- Pet safety: avoid
How it differs
- Grown primarily for variegated foliage rather than showy blooms.
- Later bloom than typical garden mums.
- Compact, slowly spreading habit suits edging and containers.
- Tolerates lean soils if drainage is sharp.
Strengths
- Attractive foliage for three seasons.
- Cold hardy in much of the northern U.S.
- Few serious insect or disease problems reported.
- Handles full sun to light shade.
Care in one minute
Site in full sun to light shade with well‑drained, even gritty soil.
Water regularly the first season; reduce once established.
Feed lightly in spring.
Pinch in early summer if stems elongate.
Mulch in USDA zone 5 and avoid winter‑wet locations.
Watch‑outs
- Losses occur in winter‑wet soils.
- Flower display is modest compared to florist mums.
- Can spread into a low colony if not divided.
Best uses (tags)
Provenance note
Native to coastal Japan; also listed as Dendranthema pacificum and Chrysanthemum pacificum in older references.
References
- Missouri Botanical Garden – Plant Finder: Ajania pacifica
- Kew – Plants of the World Online: Ajania pacifica
- RHS – How to grow chrysanthemums (general care cues)
- ASPCA – Chrysanthemum toxicity to pets (genus‑level guidance)
