Hydrangea Onyx™ Peacock

Onyx™ Peacock is a bold and compact bigleaf hydrangea celebrated for its dramatic contrast of dark stems and vivid blooms. Large mophead flower heads emerge in early summer and continue through summer into fall, showing shades of rich purple, deep blue, and magenta—depending on soil pH—with glossy dark green foliage providing backdrop to its stark black stems.

This tidy shrub typically grows 3 to 4 ft tall and wide, forming a dense, rounded habit ideal for foundation plantings, containers, or accents in mixed borders. It performs well in full sun to part shade and prefers rich, moist, well-drained soil. It blooms on both old and new wood, ensuring reliable flowering even after pruning or winter dieback.

Key Features:

• Large, mophead flowers in purple-blue to pink-purple tones depending on soil acidity

• Dramatic jet-black stems enhance visual contrast

• Blooms throughout summer and into fall

• Compact size: ~3–4 ft tall and wide
  

• Blooms on old and new wood—reliable reblooming

Hydrangea Onyx™ Peacock offers striking architectural foliage, outstanding bloom color variation, and garden versatility–a standout hydrangea for modern landscapes and container gardens.