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:

High

Bloom Months:

jun,jul

Bloom Colors:

white

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

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:

30–90 days

Notes:

Seeds benefit from cold stratification for 30-60 days to break dormancy.