Seaside Arrowgrass
Triglochin maritima
Also known as: Slender Arrowgrass
- 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:
- TRMA20
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- green, purple
Wildlife Benefits
- Butterflies & Moths:
- ★★★★☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- saline, nutrient-poor, sandy or clay soil
- pH:
- 5.5 - 8.0 (slightly acidic to alkaline)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in salt marshes and coastal areas
Propagation & Germination
Pre-treatment: None required
Source: npn.rngr.net
ORGHPS Germination Guide: 5° night and 25° day