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White O'Hara
Reference photo

hybrid tea · 2012

White O'Hara

Rosa 'Delfumblan'

Georges Delbard✦ very strong fragrance

3-4 ft

Height

Repeat

Blooming

Full sun

Light

5–11

Zone

Plant & Flower Traits

Rose type

hybrid tea

Bloom size

2.0-5.5 inches

Bloom habit

Large, cupped, and quartered bloom form.

Petal count

70-100

Flowering

repeat blooming

Habit

bushy

Color

white

Fragrance

very strong

Foliage

Green

Foliage surface

Glossy

Fragrance Notes

Rich lavender fragrance

Color Description

White

🌱 Growth & Garden Habits

Light

Full sun

Height

3-4 ft

Spread

3-4 ft

Soil

Prefers well-draining soil rich in organic matter with a slightly acidic to neutral pH (6.0-7.0).

Hardiness Zone

Zone 5–11

Disease Resistance

Generally considered to have good to excellent disease resistance when provided with proper air circulation and care.

🌿 Care Guide

Watering

Requires about 1 inch of water per week; water deeply and slowly at the base, keeping soil consistently moist but not waterlogged.

Fertilizer

Use a balanced rose fertilizer or slow-release granular fertilizer in early spring, again after the first flush of blooms, and potentially once more in mid-summer.

Pruning

Perform annual dormant pruning in late winter or early spring by removing dead, damaged, or diseased canes and cutting back healthy canes by one-third to one-half. Deadhead spent blooms throughout the growing season.

Pests & Diseases

Susceptible to common rose pests and fungal diseases; requires regular inspection and preventative care.

🏆 Awards & Recognition

SAF Red Ribbon

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