Yellow Rose

Rosa xanthina

Native to:
China, Korea

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rosa
Species:
Rosa xanthina
USDA Symbol:
ROXA2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds, bees
Deer Resistant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to regions with well-drained, fertile soils

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–365 days
Notes:
Rose seeds exhibit deep dormancy and may take up to a year or more to germinate even after stratification.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C for 3 months, then place @ 4C for 3 months. Requires scarification.

Source: Ontario Rock Garden & Hardy Plant Society