Sea Aster

Tripolium pannonicum

Native to:
Albania, Algeria, Austria, Baleares, Baltic States, Belgium, Bulgaria, China, Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, France, Germany, Greece, Hungary, Iran, Iraq, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Kriti, Krym, Kuril Is., Netherlands, North Caucasus, Norway, NW. Balkan Pen., Palestine, Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Tripolium
Species:
Tripolium pannonicum
USDA Symbol:
TRPA26

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
lavender, purple, white

Host Plant for Caterpillars

omnivorous leaftier (Cnephasia longana)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, birds
Deer Resistant:
Yes
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
saline, sandy, well-drained soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
thrives in coastal salt marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily with cold stratification; light improves germination rates.

The above propagation data sourced from Claude AI