Petal Pals
shrub · 1977
Altenburg
Rosa 'Altenburg'
120 cm - 150 cm
Height
Repeat
Blooming
Full sun
Light
6–9
Zone
Plant & Flower Traits
Rose type
shrub
Bloom size
6 cm - 8 cm
Bloom habit
Large, classically formed flowers born on long shoots; continuously flowering from June until frost.
Petal count
Double
Flowering
repeat blooming
Habit
upright
Color
red
Fragrance
none
Foliage
Dark green
Foliage surface
Glossy
Fragrance Notes
The cultivar is noted for being unscented.
Color Description
Bright orange-red
🌱 Growth & Garden Habits
Light
Full sun
Height
120 cm - 150 cm
Spread
80 cm - 100 cm
Soil
Well-drained, fertile, humus-rich soil; prefers slightly acidic to neutral pH.
Hardiness Zone
Zone 6–9
Disease Resistance
Robust/High
🌿 Care Guide
Watering
Regular watering, especially during dry spells; avoid overhead watering to prevent disease.
Fertilizer
Apply a balanced rose fertilizer in early spring and again after the first bloom cycle.
Pruning
Prune in early spring to remove dead or diseased wood and to shape the plant; suitable for moderate pruning to maintain its bushy habit.
Pests & Diseases
Noted for being a robust variety with good overall health and disease resistance.
🧬 Pedigree
Unnamed seedling × Unnamed seedling
🏆 Awards & Recognition
Gold medal at the IGA Erfurt in 1981.