Petal Pals
hybrid tea · 1983
Royal William
Rosa 'KORzaun'
3 to 4 feet
Height
Repeat
Blooming
Full sun
Light
6–9
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
Large
Bloom habit
Often borne singly on strong stems.
Petal count
25 to 30
Flowering
repeat blooming
Habit
upright
Color
red
Fragrance
strong
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
Intense, classic damask fragrance.
Color Description
Deep velvet red.
🌱 Growth & Garden Habits
Light
Full sun
Height
3 to 4 feet
Spread
2 to 3 feet
Soil
Rich, well-draining soil with a slightly acidic pH.
Hardiness Zone
Zone 6–9
Disease Resistance
Moderate
🌿 Care Guide
Watering
Regular water is needed, allowing soil to dry slightly between waterings.
Fertilizer
Apply a balanced rose fertilizer during the active growing season.
Pruning
Prune in early spring, removing dead or damaged wood and shaping the plant.
Pests & Diseases
Generally healthy but may be susceptible to black spot in humid climates.
🧬 Pedigree
Unspecified
🏆 Awards & Recognition
Multiple European trial awards.