hybrid rose

Rosa × palustriformis

Native to:
United States

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rosa
Species:
Rosa × palustriformis
USDA Symbol:
ROPA4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul
Bloom Colors:
pink
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds, bees, small mammals
Fragrant:
Yes

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:
prefers wetland or marshy areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–120 days
Germination Time:
30–365 days
Notes:
Rose seeds often exhibit double dormancy and may take up to a year or more to germinate even with stratification.

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

ORGHPS Germination Guide: Requires scarification. Nick or rub between sheets of sandpaper. Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. 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; plant at 32°C for 2-3 weeks, then 4°C for 4 months

Source: Ontario Rock Garden & Hardy Plant Society