Slender Arrowgrass
Triglochin maritima
- Native to:
- Afghanistan, Algeria, Argentina, Austria, Baltic States, Belarus, Belgium, Bolivia, Bulgaria, Canada, Chile, China, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Great Britain, Hungary, Iceland, India, Iran, Ireland, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Krym, Kuril Is., Labrador, Mexico, Nepal, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Portugal, Prince Edward I., Romania, Russia, Spain, Sweden, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Ukraine, United States
iNaturalist: © dgreenberger (iNaturalist #85291583)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juncaginaceae
- Genus:
- Triglochin
- Species:
- Triglochin maritima
- USDA Symbol:
- TRCO19
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green
Wildlife Benefits
- Butterflies & Moths:
- ★★★★☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Salt Tolerant:
- Yes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best in wet, saline conditions. Light may enhance germination.
Pre-treatment: Stratify seeds in a refrigerator for 17 days
Establishment: Seeds are collected between July 3rd and October 28th. Mature inflorescences are brown. Seed is less than 5 mm long and thread like. T. concinna is found in coastal salt marsh from British Columbia to Lower California.
Source: npn.rngr.net
ORGHPS Germination Guide: 5° night and 25° day