False Mayweed

Tripleurospermum maritimum

Native to:
Azores, Baltic States, Belgium, Denmark, Finland, Føroyar, France, Germany, Greenland, Hungary, Iceland, Ireland, Labrador, Netherlands, Norway, Poland, Portugal, Russia, Spain, Sweden, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Tripleurospermum
Species:
Tripleurospermum maritimum
USDA Symbol:
TRMA17

Growth Characteristics

Life Cycle:
Annual | Biennial | Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul,aug,sep,oct
Bloom Colors:
white, yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

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

Soil Requirements

Soil Type:
sandy, nutrient-poor, well-drained
pH:
5.5 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in coastal areas

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in light at moderate temperatures; surface sow and do not cover deeply.

The above propagation data sourced from Claude AI