Photo of Triglochin maritima flower by The Watershed Nursery

Photo by The Watershed Nursery

Used with permission, all rights reserved

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Triglochin maritima

Also Known As

  • Seaside Arrow-Grass

Plant type

perennial, grass / grass like, aquatic

size

  • H: 24"-36"
  • W: 24"

planting zones

  • 9a-11

More Options

Triglochin maritima plant details

Triglochin maritima is an evergreen or semi-evergreen perennial aquatic grass (or grassy in appearance) with. In spring purple flowers emerge. Attracts birds. Grows well with sun and even moisture - occasional water. Does well in average, clay and gritty soil. A good option if you're seeking something for erosion control and verticillium wilt resistant.

CHARACTERISTICS OF Triglochin maritima

Plant type: perennial aquatic grass (or grassy in appearance)
Plant family: juncaginaceae
Mature size: 24 IN wide, 24 IN - 36 IN - tall
Flowers: purple blooms in spring
Uses: bog garden, native plant

GROWING CONDITIONS for Triglochin maritima

USDA Zones: 9a - 11
Sun exposure: sun
Watering frequency: even moisture - occasional
Resistant to: erosion and verticillium wilt
Soil needs: average, clay and gritty

Nursery contributed plant descriptions

This herbaceous perennial grows 2-3' tall and works well in a pond setting in the native garden. The purple spike of flowers emerges summer through fall. After bloom, the long, ropey seed head catches your attention and adds an attractive vertical element in the landscape. Found in brackish and saltwater marshes, this plant tolerates salty soils. Found in alkaline flats and boggy places, mostly below 7,500 feet, from southern California to Alaska, New Mexico, New Jersey, and Erasia. Meadows, damp areas, marshes, low to moderate elevations.

Gardening facts about Triglochin maritima plant

How to Grow Triglochin maritima

  • Sun Exposure

    • sun
  • Water Needs

    • even moisture - occasional
  • Soil Needs

    • clay
    • average
    • gritty
  • Special Situation

    • erosion control
    • verticillium wilt resistant

Features

  • Wildlife

    • birds
  • Flower Season

    • spring
  • Flower Color

    • purple
  • Foliage Season

    • evergreen
    • semi-evergreen
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