Seasonal Wild Flowers

Sea Mayweed

Tripleurospermum maritimum

Asteraceae

July to November

It is found all round the coast and a few places inland.

See the BSBI distribution map for Sea Mayweed

On the coast it grows on sand, shingle, cliffs, walls and

bare waste ground

Inland it is sometimes found by salted roads

Sea Mayweed is a native, perennial (sometimes

biennial), spreading, prostrate herb, growing up to

60cm.

Flowerheads are up to 45mm across and daisy like.

They are flattish when first open, but become conical

as they age.

Sepals are tinged with brown.

Leaves are thread-like and fleshy

Stems are robust, spreading and often purple.

Previous page: Sea Knotgrass
Next page: Sea-purslane

Sea Mayweed on a sandy beach

On shingle

In a crack on a sea wall

Group of flowerheads

Young flowerhead

Older flowerhead

Brown tinged sepals

Fleshy leaves and purple stems