Fauna
Flower

Seaside Daisy

Erigeron glaucus

Also known as Seaside Fleabane, Beach Aster

Seaside daisy forms low, succulent cushions of blue-green foliage clinging to windswept headlands, rocky coastal bluffs, and beach dunes. Its stout stems produce profuse composite flowers featuring dense discs of golden-yellow florets fringed by dozens of narrow, pale purple to deep lavender rays. These tough perennial mats endure relentless salt spray and maritime gale winds while providing an essential nectar supply to coastal pollinators.

CoastalFloweringPerennial
Seaside Daisy reference1 / 7
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & preyAutotrophic
Predators
  • Black-tailed Deer
  • Cottontail Rabbits
  • Caterpillars
ThreatsCoastal development, shoreline erosion, foot trampling, and invasive ice plant
HabitatsCoastal bluffs, maritime dunes, rocky headlands, and sea cliffs
Life spanPerennial (5–15 years)
Classification
  1. OrderAsterales
  2. FamilyAsteraceae
  3. GenusErigeron
  4. SpeciesErigeron glaucus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Habitat Spotting: Look for low evergreen cushions along ocean-facing clifftops and rocky outcrop ledges.
  • Pollinator Watching: Watch the daisy-like heads on warm afternoons for visiting bumblebees, skippers, and hoverflies.
  • Bluff Etiquette: Stay on established coastal paths to avoid destabilizing fragile clifftop soils and crushing low mats.
Related species
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