Swamp Fly Honeysuckle
Lonicera oblongifolia
- Native to:
- Canada, United States
Reuven Martin (reuvenm) (www.inaturalist.org) , iNaturalist observer






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Caprifoliaceae
- Genus:
- Lonicera
- Species:
- Lonicera oblongifolia
- USDA Symbol:
- LOOB
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 150 cm
- Light Requirements:
- Part Shade,Shade
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow, white
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Baltimore checkerspot (Euphydryas phaeton)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, bees
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rich, moist, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wetlands and bogs
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–180 days
- Notes:
- Germination can be erratic; seeds may require a warm period followed by cold stratification for best results.
The above propagation data sourced from Claude AI