Petal Pals
hybrid tea · 1963
Amistad Sincera
Rosa 'Amistad Sincera'
3' - 4' (90 - 120 cm)
Height
Repeat
Blooming
Full sun
Light
6–9
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
Large (approx. 4 - 5 inches)
Bloom habit
Large, high-centered, solitary flowers on long, sturdy stems suitable for cutting.
Petal count
30 - 40 petals
Flowering
repeat blooming
Habit
upright
Color
cream
Fragrance
strong
Foliage
Dark green
Foliage surface
Glossy
Fragrance Notes
Possesses a rich, classical fragrance typical of mid-20th-century white Hybrid Teas.
Color Description
Pure white flowers, occasionally showing a slight cream or pale yellow tint toward the center.
🌱 Growth & Garden Habits
Light
Full sun
Height
3' - 4' (90 - 120 cm)
Spread
2' - 3' (60 - 90 cm)
Soil
Thrives in fertile, humus-rich, well-drained loamy soil with a slightly acidic to neutral pH.
Hardiness Zone
Zone 6–9
Disease Resistance
Average; exhibits superior tolerance to hot, dry climates compared to other white varieties.
🌿 Care Guide
Watering
Regular, deep watering to maintain consistently moist but well-drained soil; avoid overhead watering to prevent disease.
Fertilizer
Apply a balanced rose fertilizer in early spring and again after the first bloom cycle to support repeat flowering.
Pruning
Prune in early spring, removing dead or weak wood and cutting back remaining canes by about one-third to one-half to promote vigorous new growth.
Pests & Diseases
Susceptible to common rose ailments such as aphids, spider mites, blackspot, and powdery mildew, though it shows notable resilience to high summer heat.
🧬 Pedigree
Alaska x Virgo
🏆 Awards & Recognition
Not documented