Light Needs
Mature Height
Mature Spread
Growing Zones
Powerball™ Panicle Hydrangea (Hydrangea paniculata 'SMNHPLK') makes a bold statement with its globe-shaped blooms that emerge lime green and gradually soften to white, then blush pink as the season progresses. The dense flower clusters are held on sturdy stems that won’t flop in rain or wind. It typically reaches 3 to 6 feet tall and wide, creating a well-rounded shrub suitable for both smaller gardens and more spacious landscapes. Its resilient, showy display is a good choice for colder climates where bigleaf hydrangeas can struggle.
Powerball™ has an upright panicle habit with thick, woody stems and attractive green foliage that remains elegant throughout summer. As a selection of H. paniculata—native to areas of Asia—this hydrangea tolerates sun, adapts to various soil types, and resists common pests. It blends well in borders, hedges, and container plantings, and is easy to use as a backdrop or a standout specimen. The dried flower clusters also offer long-lasting beauty in fall arrangements.
Powerball™ Panicle Hydrangea Care
Place it in a spot with full sun to part shade, keeping soil evenly moist but well-draining. Enrich the planting area with compost if necessary, aiming for a slightly acidic to neutral pH. Water consistently during hot spells, and apply a balanced, slow-release fertilizer in early spring for sturdy growth. A 2–3 inch mulch layer helps lock in moisture and moderate temperature fluctuations.
Prune in late winter or early spring by cutting the stems back about one-third of their total height. This quick trim stimulates fresh buds on new wood, where flowers form. Container-grown shrubs require a high-quality potting mix and consistent watering, especially in sunny exposures. If planted in colder regions, just let it go dormant naturally—no special overwintering steps required.
Powerball™ Panicle Hydrangea Spacing
Position shrubs 3 to 6 feet apart in rows or mixed plantings to allow space for their mature width. If you’re seeking a dense hedge, planting them slightly closer will form a continuous wall of flowers with regular pruning. A container at least 14 to 16 inches wide can support the root system of a smaller specimen, though larger pots ease watering demands.
Powerball Panicle Hydrangea Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 3 to 8 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Part Sun to Full Sun (5+ Hours Direct Sun)
- Mature Height
- 4-5 Feet
- Mature Spread
- 4-5 Feet
- Growth Habit
- , Mounded
- Water Needs
- Consistently Moist
Flowers & Foliage
- Flower Colors
- , Pink
- Flower Description
- Creamy white aging to pink/red
- Bloom Time
- Mid-Summer to Fall
- Blooms On
-
New Wood
?
"Blooms on" tells you which stems produce flowers, which decides when it's safe to prune.
- New Wood: Flowers form on stems that grow this season. Prune in late winter or early spring without losing blooms.
- Old Wood: Flower buds form on last year's stems. Prune right after flowering. Pruning in fall or early spring removes next year's blooms.
- Both New and Old Wood: Blooms on last year's stems and again on new growth, so it flowers even after a hard winter or a mistimed pruning. Prune lightly after the first flush of blooms.
- When to Prune
- Late winter to early spring, before new growth starts
- Foliage Color
- , Green, Red
- Foliage Description
- Medium green summer leaves turn orange, red-burgundy, and bronze tones in autumn
- Foliage Type
- , Deciduous
- Seasonal Interest
- , Spring Flowering, Summer Flowering, Fall Flowering, 3 Season Interest
Garden Benefits
Plant Overview
- Common Name
- Powerball Panicle Hydrangea
- Also Known As
- Powerball
- Botanical Name
- Hydrangea paniculata 'Powerball'
- Brand
- Proven Winners
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
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This plant cannot be shipped to the following states: AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
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