Large Yellow Loosestrife
Lysimachia punctata
- Native to:
- Albania, Austria, Bulgaria, Czechia-Slovakia, Greece, Hungary, Iran, Italy, Krym, North Caucasus, NW. Balkan Pen., Poland, Romania, Russia, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine
GT1976
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Primulaceae
- Genus:
- Lysimachia
- Species:
- Lysimachia punctata
- USDA Symbol:
- LYPU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
loosestrife borer moth (Papaipema lysimachiae)
Garden & Ecology Notes
- Wildlife Value:
- bees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers damp conditions in native habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C 6 wks then 4C 6 wks then slowly raise to 10C 6 wks. Repeat if no germination.