Bog Rosemary

Andromeda polifolia

Native to:
Austria, Baltic States, Belarus, Belgium, Canada, China, Czechia-Slovakia, Denmark, Finland, France, Germany, Greenland, Hungary, Ireland, Italy, Japan, Korea, Kuril Is., Labrador, Netherlands, Norway, NW. Balkan Pen., Poland, Prince Edward I., Romania, Russia, Sweden, Switzerland, Türkiye, Ukraine, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ericaceae
Genus:
Andromeda
Species:
Andromeda polifolia
USDA Symbol:
ANPO

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Subshrub
Height:
50 cm
Light Requirements:
Full Sun,Part Shade,Shade
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
pink, white
Ground Cover:
Yes
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Chain-lined geometer moth (Cingilia catenaria), Huckleberry sphinx (Paonias astylus)

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
acidic, peat-rich, nutrient-poor soil
pH:
3.5 - 5.5 (strongly acidic)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
commonly found in bogs and wetlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Seeds require light for germination and consistently moist, acidic conditions. Surface sow on peat-based medium.

The above propagation data sourced from Claude AI

Pre-treatment: Not given

Establishment: The provided protocol lacks specific information on propagation source, pre-treatment, establishment protocol, temperature, germination rate, and germination time range for Andromeda polifolia.

Source: npn.rngr.net

ORGHPS Germination Guide: Sow at 10°C. * sow in acid medium; prone to damping off

Source: Ontario Rock Garden & Hardy Plant Society