Taxonomy

Division:

Coniferophyta | - Conifers

Family:

Pinaceae

Genus:

Pseudotsuga

Species:

Pseudotsuga macrocarpa

USDA Symbol:

PSMA

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

1800 cm

Light Requirements:

Part Shade

Drought Tolerance:

High

Bloom Months:

mar,apr,may

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 Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Thick bark provides moderate fire resistance in mature trees. Resprouts poorly; relies on seed dispersal for post-fire regeneration.

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to mountainous regions with poor soil fertility

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds germinate best with cold stratification and consistent moisture. Light is not required for germination.

The above propagation data sourced from Claude AI