Spiraea gemmata

Spiraea mongolica

Native to:
China

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Spiraea
Species:
Spiraea mongolica
USDA Symbol:
SPGE2

Growth Characteristics

Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fall Color:
yellow
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire; tolerates periodic burning.

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
dry to moderate
Notes:
native to rocky and mountainous regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds are small and require light for germination. Surface sow and keep moist.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 10C.

Source: Ontario Rock Garden & Hardy Plant Society