Small Floating Mannagrass
Glyceria borealis
- Native to:
- Canada, Labrador, Mexico, Prince Edward I., United States
iNaturalist: © stevendaniel (iNaturalist #33255515)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Glyceria
- Species:
- Glyceria borealis
- USDA Symbol:
- GLBO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, birds, small mammals
Soil Requirements
- Soil Type:
- moist, nutrient-rich, organic soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wetlands and marshes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best with cold-moist stratification and consistent moisture; surface sow as light may aid germination.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds are mixed with sand and sown directly into target containers with a growing medium of 40:20:20:20 peat:composted fir bark:perlite:pumice with Nutricote controlled release fertilizer at the rate of 0.5 gram Nutricote per 107 ml container. Entire racks are sealed inside plastic bags and placed into refrigeration at 1 to 3 °C for 30 days. Cells are checked weekly and kept moist throughout the stratification period.
Source: npn.rngr.net