Swiss Stone Pine

Pinus cembra

Native to:
Austria, Czechia-Slovakia, France, Germany, Italy, NW. Balkan Pen., Poland, Romania, Switzerland, Ukraine

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Taxonomy

Division:
Coniferophyta | - Conifers
Family:
Pinaceae
Genus:
Pinus
Species:
Pinus cembra
USDA Symbol:
PICE2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
2500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fragrant:
Yes
Fire Notes:
Native to high-elevation alpine habitats where fire is infrequent. Not typically associated with fire ecology.

Soil Requirements

Soil Type:
well-drained, rocky, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to high-altitude alpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–180 days
Germination Time:
14–60 days
Notes:
Seeds require extended cold stratification. Germination can be erratic; fresh seed germinates best.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring.

Source: Ontario Rock Garden & Hardy Plant Society