Petal Pals
shrub · Year unknown
White Knock out
3 to 4 feet
Height
Continuous
Blooming
Full sun
Light
5–10
Zone
Plant & Flower Traits
Rose type
shrub
Bloom size
2 to 3 inches
Bloom habit
Clusters of blooms
Petal count
5 to 12 petals
Flowering
continuous
Habit
bushy
Color
white
Fragrance
none
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
No significant fragrance
Color Description
Pure white blooms
🌱 Growth & Garden Habits
Light
Full sun
Height
3 to 4 feet
Spread
3 to 4 feet
Soil
Well-drained, fertile soil with moderate moisture
Hardiness Zone
Zone 5–10
Disease Resistance
Highly disease resistant
🌿 Care Guide
Watering
Regular watering required, drought tolerant once established
Fertilizer
Balanced rose fertilizer applied in early spring and after bloom flushes
Pruning
Minimal pruning required, cut back by one-third in early spring
Pests & Diseases
Excellent resistance to black spot, rust, and powdery mildew
🧬 Pedigree
Rosa 'Radwhite' x Knock Out
🏆 Awards & Recognition
ARS Award of Excellence