Hydrangea macrophylla 'Obsidian Storm Cloud'

Specifications

• Height1–1.5 meters
• Width1–1.5 meters
• Native toJapan (species origin)
• FoliageDark green, often black-tinged; deciduous
• Growth rateModerate

Conditions

• SoilPrefers moist, well-drained, acidic to neutral soils; benefits from organic enrichment
• LightPartial shade to dappled sunlight; tolerates morning sun with afternoon shade
• WaterModerate; requires consistent moisture but avoid waterlogging
• ClimateThrives in temperate and subtropical regions

Additional Features

• FlowersMophead blooms in deep blue to purple tones; color varies with soil pH
• FormCompact, bushy growth with rounded flower clusters
• UsesIdeal for borders, feature planting, containers, or shaded garden beds
• SpacingPlant 1 meter apart for dense displays or individual features
• Low MaintenanceRequires pruning of spent flowers and thinning of old stems in late winter
• Pest ResistanceGenerally resilient; monitor for aphids or powdery mildew
• Frost ToleranceHardy in cool climates; protect young plants from severe frost
• Wildlife AttractionFlowers attract pollinators like bees and butterflies
• Seasonal AppealDeciduous foliage provides summer color and seasonal flowers
• VersatilityComplements cottage, woodland, and formal garden styles

The Obsidian Storm Cloud Hydrangea is a bold and sophisticated choice for gardens, offering stunning seasonal color and year-round interest. Its unique foliage and vibrant blooms make it a standout feature in any landscape.