Petal Pals
hybrid tea · Year unknown
Thalassa
100-120 cm
Height
Repeat
Blooming
Full sun
Light
6–9
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
Large, 10-12 cm
Bloom habit
Usually solitary or small clusters
Petal count
25-30
Flowering
repeat blooming
Habit
upright
Color
yellow
Fragrance
moderate
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
Pleasant, classic rose scent
Color Description
Bright, clear yellow that holds its color well
🌱 Growth & Garden Habits
Light
Full sun
Height
100-120 cm
Spread
60-80 cm
Soil
Fertile, well-draining, slightly acidic soil
Hardiness Zone
Zone 6–9
Disease Resistance
Moderate
🌿 Care Guide
Watering
Regular watering to maintain moist soil, avoiding overhead watering
Fertilizer
Apply a balanced rose fertilizer at the beginning of the growth season and again after the first bloom cycle
Pruning
Prune in early spring, removing dead or diseased wood and shaping for better airflow
Pests & Diseases
Susceptible to black spot and mildew in humid conditions
🧬 Pedigree
(Peace x Madame A. Meilland) x (Marcelle Gret x Peace)
🏆 Awards & Recognition
Gold Medal Geneva 1961