Summer Holly

Comarostaphylis diversifolia

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ericaceae
Genus:
Comarostaphylis
Species:
Comarostaphylis diversifolia
USDA Symbol:
CODI3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
600 cm
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Wildlife Benefits

Hummingbirds:
★☆☆☆☆ Documented hummingbird visits (GBIF)

Garden & Ecology Notes

Wildlife Value:
birds, mammals
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from root crown following fire; typical of California chaparral species.

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to chaparral and coastal scrub habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Germination can be erratic; fire or smoke treatment may improve rates.

The above propagation data sourced from Claude AI

Pre-treatment: Dry heat treatment at 70 C for 1 minute

Establishment: Dry heat treatment at 70 C for 1 minute resulted in decreased germination. The plant is found within the mattoral vegetation association of California.

Source: npn.rngr.net