Petal Pals
hybrid tea · 2004
Rosa 'KORcoluma'
4 feet
Height
Repeat
Blooming
Full sun
Light
5–10
Zone
Plant & Flower Traits
Rose type
hybrid tea
Bloom size
3-4 inches
Bloom habit
High-centered, double, solitary blooms at the ends of branches.
Petal count
25-30 reflexed petals
Flowering
repeat blooming
Habit
bushy
Color
red
Fragrance
moderate
Foliage
Dark green
Foliage surface
Semi-glossy
Fragrance Notes
Pleasantly fragrant, light scent.
Color Description
Red
🌱 Growth & Garden Habits
Light
Full sun
Height
4 feet
Spread
3-4 feet
Soil
Well-drained soil; not particular as to soil type or pH.
Hardiness Zone
Zone 5–10
Disease Resistance
Good disease resistance; ADR award winner.
🌿 Care Guide
Watering
Regularly until established; keep soil consistently moist but not waterlogged; avoid standing water.
Fertilizer
Apply a flower-boosting fertilizer periodically from early spring through the active growing season.
Pruning
Prune in late winter or early spring before new growth begins; remove 1/3 to 2/3 of the plant, damaged or spindly canes, and suckers; make cuts at a 45-degree angle above an outward-facing bud.
Pests & Diseases
Generally disease resistant, though some sources note potential susceptibility to black spot or rust.
🧬 Pedigree
'Christoph Columbus' × unknown seedling
🏆 Awards & Recognition
Golden Rose – The Hague (2004); ADR (2005); Gold Medal – Lyon (2006); Gold Medal – Rose Hills International (2011); RHS Award of Garden Merit (2012); Portland International Rose Garden – Best Hybrid Tea (2013)