Parkland series; a red Canadian shrub rose, hardy to zone 2–3.
RSM 65 · exceptionally winter-hardy
Repeat flowering in flushes, peaking in July and September. Months are approximate, for the climate of Ukraine.
Up to 35 flowers per cluster — the bush is covered in blooms
USDA zone 2–3. To ≈ −40 °C; overwinters without protection in the coldest areas. To ≈ −40 °C · overwinters without cover in the coldest sites.
Compare reference temperatures
Good against powdery mildew; black spot resistance — variable.
Repeat flowering (peaks in July and September).
Data on thorns is incomplete.
Glossy, dark green.
Rich dark pinkish red
Hardy red roses keep a rich palette along the fence.
Blue perennials bring out the red:
For contrast beside the red, use white or blue accents:
Where to plant. A hedge along a fence, groups, large drifts — covered in flowers all summer. Along a fence: plant no closer than ~1 m from the next bush, so the bushes get enough light and air.
Climate. Exceptionally hardy (USDA 2–3, to ≈ −40 °C) — suitable for the coldest sites without protection.
Care. Undemanding; deadheading encourages repeat flowering. Good disease resistance; in a wet summer, watch for black spot.
Name. After Adelaide Hoodless (1858–1910), a Canadian educational reformer and founder of the Women's Institute; named for the organisation's 75th anniversary.
Breeding. Henry Marshall, Agriculture Canada, Morden, introduced 1973; Parkland series.
Significance. One of the hardiest red roses — it flowers reliably where most varieties are killed back by winter cold.
The cultivar’s reference temperature is −40 °C (USDA zone 2–3). Overwintering depends on the conditions. To ≈ −40 °C; overwinters without protection in the coldest areas.
Repeat flowering in flushes, peaking in July and September.
100–180 cm tall.
Overall resistance: 3 out of 5. Good against powdery mildew; black spot — variable.
Sun; full sun; repeat flowering (peaks in July and September).
Light.
