Shrubs

Hydrangea serrata 'Preziosa' (Mountain Hydrangea)

Hydrangea serrata 'Preziosa'

Also known as Preziosa Mountain Hydrangea

$10.95

Size

SunPart shade to full shade
💧WaterModerate
🌡Zones6-9
🌊CoastalSuitable

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About This Plant

Hydrangea serrata 'Preziosa' (Mountain Hydrangea), 'Preziosa', is valued for its summer flower heads, bold foliage, and seasonal interest in PNW gardens.

Mountain Hydrangea (Hydrangea serrata) is closely allied to bigleaf hydrangea but smaller, hardier, and more sun-tolerant , refined lacecap flowers and graceful mounding form. The 'Tuff Stuff' series is widely planted.

Part shade to part sun suits this species. Plant in moist, well-drained, humus-rich; pH affects flower color soil. Hardy USDA Zone 6 to 9. Blooms on OLD WOOD primarily, though many newer cultivars also rebloom on new wood. Minimal pruning needed. More cold-hardy than macrophylla.

Hydrangeas are not native to the PNW. For a similar large-flowering shrub from the regional flora, consider Holodiscus discolor (Oceanspray) , graceful summer-blooming PNW native with cascading panicles of cream-white flowers, supporting native bees and birds.

Plant Details

Botanical
Hydrangea serrata 'Preziosa'
Common name
Preziosa Mountain Hydrangea
Lifecycle
Perennial
Foliage type
Deciduous
Mature size
2-4 ft tall × 2-4 ft wide
Growth rate
Moderate
Bloom time
Mid-summer
Bloom color
Pink, Blue, Purple, White
Foliage color
Green

Care Notes

Plant in moist, well-drained, humus-rich soil. Soil pH affects flower color; acidic soil produces bluer tones, alkaline leans pink. This cultivar blooms primarily on old wood; prune minimally, removing only dead or damaged stems in early spring. Mulch to retain moisture.

Garden Attributes

  • Pacific NW native
  • Deer resistant
  • Coastal suitable
  • Grown organically
  • Pollinator value: Bees, Butterflies
  • Wildlife: Pollinator support
  • ⚠ Toxic to pets if ingested
Row of potted bareroot conifer trees at Dragonfly Farm

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