Petal Pals
hybrid tea · 1975
Alpha
Rosa 'Alpha'
90 - 120 cm
Height
Repeat
Blooming
Full sun
Light
7–10
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
10 - 12 cm
Bloom habit
Large, double flowers typically borne singly on long, sturdy stems suitable for cutting.
Petal count
30-40
Flowering
repeat blooming
Habit
upright
Color
red
Fragrance
none
Foliage
Dark green
Foliage surface
Leathery and semi-glossy
Fragrance Notes
Faint, classic tea rose scent.
Color Description
Vibrant salmon-red to deep pink, often described as a bright rose color with salmon hints.
🌱 Growth & Garden Habits
Light
Full sun
Height
90 - 120 cm
Spread
60 - 90 cm
Soil
Fertile, well-drained, loamy soil with a slightly acidic to neutral pH.
Hardiness Zone
Zone 7–10
Disease Resistance
Average; requires preventative fungicide applications in disease-prone areas.
🌿 Care Guide
Watering
Regular watering to maintain consistent soil moisture, avoiding waterlogged conditions.
Fertilizer
Apply a balanced rose fertilizer in early spring and again after the first flush of blooms.
Pruning
Traditional hybrid tea pruning in late winter or early spring; remove dead, damaged, or crossing canes and prune back remaining healthy canes by about one-third.
Pests & Diseases
Susceptible to common rose ailments such as powdery mildew, black spot, and aphids, particularly in poorly ventilated or humid conditions.
🧬 Pedigree
(Show Girl x Baccara) x Romantica x (Romantica x Tropicana)