Glasswort

Aquatic

Glasswort

Salicornia spp.

Also known as: Pickleweed, Marsh samphire, Sea asparagus

Aquatic Amaranthaceae (Chenopodioideae) EdibleGround CoverWildlife AttractorSoil Improvement
Hardiness Zone
5-11
Ideal Temp
55–90°F
Survives Down To
10°F
Life Cycle
Perennial

Glasswort is a jointed, succulent halophyte you find in salt marsh and brackish edges — the kind of plant that laughs while your lawn grass throws a tantrum in saline soil. Young tips are salty-crisp and edible raw or pickled; older stems get woody. A niche edible for coastal and brackish food systems, not a row-crop fantasy. ☀️💧 Sun and Water Requirements: Full sun; needs high light to stay compact. Wet to moist, poorly drained salty or brackish soils; do not try to drought-stress it like a Mediterranean herb. Tolerates periodic inundation; hates drying out in hot wind without salt-marsh humidity. ✂️ Propagation: Seeds: Sow in spring in damp, salty growing media; germination can be slow and irregular. Tip cuttings: Root in humid conditions for quick clonal increase. Transplant small clumps from permitted collection sites only — check local coastal harvesting rules. 🌾 Harvest / Best Use Timing: Snip tender tips in spring and early summer before stems lignify. Harvest from clean sites only; salt marsh can hide runoff issues you do not want on the plate.

Good Neighbors
  • Seagrape
  • Sea Purslane
  • Sea Plantain
Cautions
  • Dry xeric companions that need sharp drainage
Known Threats — Organic Solutions Only
Aphids
Aphidoidea
Caterpillars
Lepidoptera Larvae