Sea Plantain

Herbaceous

Sea Plantain

Plantago maritima

Also known as: Goose tongue, Seaside plantain

HerbaceousGround Cover Plantaginaceae EdibleMedicinalErosion ControlWildlife Attractor
Hardiness Zone
3-9
Ideal Temp
40–75°F
Survives Down To
-30°F
Life Cycle
Perennial

Sea plantain is the coastal cousin of the plantains your lawn hates — same genus, salt on its boots, better PR. Young leaves are a salty-green nibble; older leaves teach you about fiber. It hugs brackish margins, shell middens, and dunes where lesser herbs cry. In subtropical and tropical Americas it is a legit native-adjacent forage along Gulf and Atlantic edges if you ID carefully and skip polluted wrack lines. ☀️💧 Sun and Water Requirements: - Full sun typical of coastal exposure. - Tolerates salt spray and periodic inundation; needs drainage between tides in garden mimic beds. - Freshwater garden culture: lean, gritty soil; do not over-fertilize into lush slug bait. ✂️ Methods to Propagate: - Seeds: cold stratify or direct sow in cool season; keep moist until established. - Division: split tight crowns in cool weather for quick clumps.

Good Neighbors
  • Saltwort
  • Sea purslane
  • Beach sunflower
Cautions
  • Heavy shade and boggy freshwater that rots crowns
  • Harvest from contaminated runoff zones
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Slugs
Gastropoda