Panicle hydrangea is an East Asian shrub or small tree grown in U.S. gardens, with cone-shaped flower clusters that bloom from summer into fall. It tolerates more sun than many other hydrangeas. The flowers often turn from white to pink as they age, depending on the garden variety.
Appearance
- Growth form
- A deciduous shrub or small tree, about 8–25 ft (2.5–7.5 m) tall.
- Leaves
- Oval leaves about 3–6 in (7–15 cm) long, with toothed edges.
- Flowers
- Cone-shaped clusters mix tiny fertile flowers with larger, showy . They open pale green or creamy white, turn pink, and later fade to brown.
- Flowering time
- Blooms from summer into fall. In Arkansas, flowers appear in late June, peak by mid- to late July, and start turning pink by mid-August.
Look-alikes
Bigleaf hydrangeaHydrangea macrophylla
Bigleaf hydrangea has rounded or flat flower clusters. Panicle hydrangea has long, cone-shaped clusters.
Why they get mixed upBoth are common flowering garden shrubs.
Mountain hydrangeaHydrangea serrata
Mountain hydrangea usually has flatter flower heads with showy flowers around the edge. Panicle hydrangea has a tall, cone-shaped cluster.
Why they get mixed upBoth can have small fertile flowers among showy ones.
Where it lives
- Typical habitats
- Gardens
- Parks
- Landscapes
- Range
- Native to East Asia, it is grown in U.S. gardens and has also become established in parts of the eastern United States.
- Preferred conditions
- Prefers morning sun with afternoon shade but tolerates full sun. Grows best in well-drained, neutral to acidic soil in hardiness zones 3a–8b.
- Flowering
Flowers Jun–Aug
Flowers Jun–Aug
Growing it
- Care
- It , so gardeners can prune it in late winter or early spring.
- Toxicity
- The plant is poisonous to people and can be harmful to cats, dogs, and horses.
Name and classification
- About the name
- “PeeGee” usually refers to the old “Grandiflora” garden selection, known for its showy flower clusters.
- Varieties and forms
- U.S. gardens grow many named s, including 'Limelight', 'Pinky Winky', and 'Tardiva'. Their flower color and bloom time differ.
Conservation
- IUCN Red List
- LCLeast ConcernLow risk of extinction
Culture and stories
- Culture and stories
- “Grandiflora” has been grown in American gardens for well over a century.
- In Arkansas, gardeners sometimes dry the tan flower heads for arrangements.
13 sources
- iNaturalist: Hydrangea paniculata
- Hydrangea paniculata - POWO
- Hydrangea paniculata - Wikipedia
- ノリウツギ - Wikipedia
- Hydrangea paniculata - NC State Extension
- 나무수국 고품질 분화 생산기술 개발 - 충청북도 농업기술원
- 나무수국 '바닐라 프레이즈' - 서울식물원
- Panicle Hydrangea - University of Arkansas Extension
- Hydrangea macrophylla - NC State Extension
- Hydrangea serrata - NC State Extension
- Pollinator Monitoring in Panicle Hydrangea Collection - UW-Madison Arboretum
- 국가생물종목록 1권 식물
- 울산들꽃학습원 나무수국