Shrubs

Rhododendron catawbiense 'Boursault' (Rhododendron)

Rhododendron catawbiense 'Boursault'

Also known as Catawbiense Boursault

$78.95

Size

☀SunPart shade
💧WaterModerate
🌡Zones4-8
🦌DeerResistant
🌊CoastalSuitable

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About This Plant

Rhododendron catawbiense 'Boursault' (Rhododendron), 'Boursault', is valued for its spring flower trusses, evergreen presence, and seasonal interest in shaded gardens.

Catawba Rhododendron , eastern N American mountain native; cold-hardy parent of countless modern hybrids. Large evergreen leaves and lavender-purple to pink late-spring flowers.

Part shade suits this species. Plant in moist, well-drained, humus-rich, acidic soil. Hardy USDA Zone 4 to 8. Among the most cold-hardy rhododendrons. Otherwise standard rhody care.

The Pacific Northwest native rhododendrons are Rhododendron macrophyllum (Pacific Rhododendron, Washington state flower) for evergreen woodland edges, and Rhododendron occidentale (Western Azalea) for fragrant deciduous spring bloom in damp sites.

Plant Details

Botanical
Rhododendron catawbiense 'Boursault'
Common name
Catawbiense Boursault
Lifecycle
Perennial
Foliage type
Evergreen
Mature size
6-10 ft tall × 5-8 ft wide
Growth rate
Slow
Bloom time
Mid-spring
Bloom color
Purple, Pink, White
Foliage color
Green

Care Notes

Plant in moist, well-drained, humus-rich, acidic soil (pH 4.5-6.0). Set the crown slightly high; never bury the root ball. Mulch with 2-3 inches of acidic mulch (pine bark, wood chips) but keep mulch away from the stem. Water consistently; do not let roots dry out. Watch for root weevil (notched leaf margins are the telltale sign) and Phytophthora root rot in heavy or wet soils.

Garden Attributes

  • Pacific NW native
  • Deer resistant
  • Coastal suitable
  • Grown organically
  • Pollinator value: Bees, Hummingbirds
  • Wildlife: Pollinator support, Bird habitat
  • ⚠ Toxic to pets if ingested
  • ⚠ Skin irritant: wear gloves when handling
Row of potted bareroot conifer trees at Dragonfly Farm

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