Mckittrick's Snowberry

Symphoricarpos guadalupensis

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caprifoliaceae
Genus:
Symphoricarpos
Species:
Symphoricarpos guadalupensis
USDA Symbol:
SYGU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire; typical of Symphoricarpos genus fire response.

Soil Requirements

Soil Type:
rocky, well-drained calcareous soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to limestone areas; prefers rocky substrates

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–180 days
Notes:
Germination can be erratic; cold stratification improves rates. Seeds may take multiple seasons to germinate.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: Claude AI