Yellow Loosestrife

Lysimachia × commixta

Native to:
Canada, Prince Edward I., United States

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Lysimachia
Species:
Lysimachia × commixta
USDA Symbol:
LYCO6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
90 cm
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
Prefers habitats with regular water availability

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination; surface sow and keep consistently moist.

The above propagation data sourced from Claude AI