Petal Pals
shrub · 1909
Blue Boy
Rosa 'Blue Boy'
Up to 3 to 4 feet
Height
Once
Blooming
Full sun
Light
5–9
Zone
Plant & Flower Traits
Rose type
shrub
Bloom size
Medium, approximately 3 inches
Bloom habit
Clusters
Petal count
15 to 20 petals
Flowering
once blooming
Habit
upright
Color
purple
Fragrance
mild
Foliage
Dark green
Foliage surface
Matte to slightly glossy
Fragrance Notes
Slight, pleasant floral scent
Color Description
Mauve to deep violet-blue with golden stamens
🌱 Growth & Garden Habits
Light
Full sun
Height
Up to 3 to 4 feet
Spread
3 feet
Soil
Fertile, well-draining loamy soil with neutral to slightly acidic pH
Hardiness Zone
Zone 5–9
Disease Resistance
Moderate
🌿 Care Guide
Watering
Regular watering required, especially during dry spells
Fertilizer
Apply balanced rose fertilizer in early spring and again after the first flush of bloom
Pruning
Light pruning in early spring to remove dead or weak wood
Pests & Diseases
Susceptible to black spot and mildew in humid conditions
🧬 Pedigree
(Obergartner Wiebicke x Gruss an Teplitz) x Floribunda seedling