Petal Pals
hybrid tea · 1940
Blanche Mallerin
Rosa 'Blanche Mallerin'
3-4 feet
Height
Repeat
Blooming
Full sun
Light
6–9
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
Large
Bloom habit
Usually solitary, high-centered, long-lasting.
Petal count
Approximately 25-30 petals
Flowering
repeat blooming
Habit
upright
Color
white
Fragrance
strong
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
Rich, intense, and typical hybrid tea fragrance.
Color Description
Pure white, sometimes with a faint creamy center.
🌱 Growth & Garden Habits
Light
Full sun
Height
3-4 feet
Spread
2-3 feet
Soil
Well-drained, fertile soil enriched with organic matter; prefers slightly acidic pH.
Hardiness Zone
Zone 6–9
Disease Resistance
Moderate; needs care in humid climates.
🌿 Care Guide
Watering
Regular watering required, especially in dry periods, but avoid overhead watering to prevent fungal issues.
Fertilizer
Apply a balanced rose fertilizer in early spring and again after each flush of blooms.
Pruning
Light pruning in early spring to remove dead or diseased wood and shape the bush.
Pests & Diseases
Susceptible to blackspot and mildew; requires good air circulation.
🧬 Pedigree
Frau Karl Druschki x Unnamed Hybrid
🏆 Awards & Recognition
ARS Gold Medal (France)