Lowland Yellow Loosestrife

Lysimachia hybrida

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Lysimachia
Species:
Lysimachia hybrida
USDA Symbol:
LYHY

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

Aterpia approximana, Nola cilicoides, Phyllonorycter lysimachiaeella

Garden & Ecology Notes

Wildlife Value:
bees

Soil Requirements

Soil Type:
moist, well-drained sandy loam
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
Prefers habitats like wet meadows and stream banks

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI