Sea Plantain

Herbaceous

Sea Plantain

Plantago maritima

Also known as: Goose tongueSeaside 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. 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. Seeds: cold stratify or direct sow in cool season; keep moist until established. Division: split tight crowns in cool weather for quick clumps. Snip tender Sea Plantain growth in cool mornings for best texture -- heat-stressed leaves taste like their day job. Flowers at full color for peak volatiles; seeds when pods rattle but before they self-sow across paths. Dry herbs in thin layers; deep piles steam themselves into compost.

Good Neighbors

Also mentioned as companions:

  • Beach Sunflower

Not yet profiled in PermiePortal

Cautions
  • Heavy shade and boggy freshwater that rots crowns
  • Harvest from contaminated runoff zones
🐛 Pests