Petal Pals
floribunda · 2018
Sunset Horizon
Rosa 'MEIsistoma'
2-4 feet
Height
Repeat
Blooming
Full sun
Light
5–11
Zone
Plant & Flower Traits
Rose type
floribunda
Bloom size
2-3.25 inches
Bloom habit
Large volume producer of semi-double rosettes that transition from bright yellow to cherry red and fade to deep cerise pink.
Petal count
15
Flowering
repeat blooming
Habit
bushy
Color
bicolor
Fragrance
slight
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
Light and subtle fragrance.
Color Description
Multi-Color
🌱 Growth & Garden Habits
Light
Full sun
Height
2-4 feet
Spread
2-4 feet
Soil
Average soil with good drainage; tolerates clay, loamy, peaty, and sandy soils.
Hardiness Zone
Zone 5–11
Disease Resistance
Excellent disease resistance, particularly against black spot.
🌿 Care Guide
Watering
Water deeply at the base once per week, avoiding foliage and flowers to maintain health and disease resistance.
Fertilizer
Use a granular fertilizer, preferably one containing alfalfa meal, applied at the root level.
Pruning
Prune in late winter or early spring before new growth begins. Remove about one-third of the oldest canes and trim remaining stems back by one-third. Deadhead spent blooms throughout the growing season to encourage repeat blooming, but stop deadheading in the fall.
Pests & Diseases
Generally disease resistant, with excellent resistance to black spot.
🏆 Awards & Recognition
American Garden Rose Selections (AGRS) Regional Choice Award