Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Oleaceae

Genus:

Fraxinus

Species:

Fraxinus papillosa

USDA Symbol:

FRPA4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

1200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

birds, small mammals

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from root crown following fire. Common in fire-prone canyon and mountain habitats in the Southwest.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

prefers rocky slopes and canyon areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–60 days

Notes:

Seeds require cold stratification. Fresh seed germinates best; older seed may have reduced viability.

The above propagation data sourced from Claude AI