Rosa maimowicziana

Rosa maximowicziana

Native to:
China, Korea, Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rosa
Species:
Rosa maximowicziana
USDA Symbol:
ROMA7

Growth Characteristics

Height:
200 cm
Light Requirements:
Full Sun,Part Shade
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:
birds, bees, small mammals
Fragrant:
Yes
Fall Color:
yellow, orange

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to regions with temperate climates

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–120 days
Germination Time:
30–180 days
Notes:
Rose seeds exhibit double dormancy and may require extended cold stratification. Germination can be erratic and may take several months.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged. Pulpy coat inhibits germination. Remove by soaking and rinsing in clean water for approximately 7 days. Discard water. * soak in hot water for 24 hours to scarify

Source: Ontario Rock Garden & Hardy Plant Society