Petal Pals
grandiflora · 2027
Triple Knock Out
Rosa 'Radtriple'
3 ft
Height
Repeat
Blooming
Full sun
Light
4–11
Zone
Plant & Flower Traits
Rose type
grandiflora
Bloom habit
Full, traditional garden rose bloom; blooms repeatedly from spring through frost.
Petal count
30-35
Flowering
repeat blooming
Habit
compact
Color
red
Fragrance
moderate
Foliage
Medium green
Fragrance Notes
Sweet floral
Color Description
Deep pink, Red
🌱 Growth & Garden Habits
Light
Full sun
Height
3 ft
Spread
2-3 ft
Soil
Well-draining soil.
Hardiness Zone
Zone 4–11
Disease Resistance
Exceptional disease resistance.
🌿 Care Guide
Watering
Water regularly until established.
Fertilizer
Use a slow-release granular fertilizer.
Pruning
Prune in late winter or early spring; cut back to 12-18 inches above the ground to stimulate new growth and maintain a compact, dense habit.
Pests & Diseases
Generally resistant to diseases like blackspot; susceptible to Japanese beetles, rose slugs, or sawflies.