Hydrangea paniculata 'Grandiflora': Peegee Hydrangea with Giant White Flower Heads

Hydrangea paniculata 'Grandiflora' (Peegee hydrangea) bears large, sometimes giant white flower heads reaching 6 to 18 inches long that turn pinkish with age. It is a fast-growing shrub that can reach 25 feet tall. This species is one of the most cold-hardy and may be grown as a single-stemmed tree specimen or multi-stemmed shrub.

Noteworthy Characteristics

Flowers are good for cutting and drying. These shrubs may be used for hedging.

Care

Grow in moist, well-drained soil in sun to partial shade. Blooms on current season's wood; may be cut back to a few buds to form a framework in spring for larger flowers, or allowed to grow with minimal pruning.

Propagation

Sow seed in a cold frame in spring; take softwood cuttings in early summer, hardwood cuttings in winter.

Problems

Gray mold, slugs, powdery mildew, rust, ringspot virus, leaf spots.

Overview

• Height: 15–30 ft.
• Spread: 10–15 ft.
• Growth Habit: Clumps
• Growth Pace: Fast Grower
• Light: Full Sun to Part Shade
• Moisture: Medium Moisture
• Maintenance: Low
• Characteristics: Showy Flowers, Showy Seed Heads
• Bloom Time: Summer
• Flower Color: Pink, White
• Uses: Beds and Borders, Cut Flower, Dried Flower, Flowering Tree, Specimen Plant/Focal Point
• Style: Cottage Garden
• Seasonal Interest: Summer Interest
• Tolerance: Frost Tolerant
• Type: Shrubs