General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Plant Height: 25 to 50 feet
Plant Spread: 10 to 15 feet
Leaves: Evergreen
Fruiting Time: Fall
Flowers: Showy
Flower Color: White
Bloom Size: Under 1"
Flower Time: Spring
Late spring or early summer
Underground structures: Taproot
Suitable Locations: Street Tree
Uses: Useful for timber production
Wildlife Attractant: Bees
Resistances: Drought tolerant
Pollinators: Various insects
Miscellaneous: Tolerates poor soil

Image
Common names
  • Soap Bark Tree
  • Quillay
  • Cullay
  • Killaya
  • Murillo's Bark
  • Quillaia
  • Soap Tree
  • Soapbush
  • Soap-Bark Tree

Photo Gallery
Location: Botanical garden of Barcelona (Spain)
Date: 2022-04-16
Location: Botanical specimen in the McConnell Arboretum & Botanical Gardens, in Turtle Bay Exploration Park, Redding, California, USA.
Date: 2013-11-11
Location: Botanical garden of Barcelona (Spain)
Date: 2022-04-16
Uploaded by Mutisia

The trees in the upper back are Quillaja saponaria.  The small tr
Location: Botanical garden of Barcelona (Spain)
Date: 2022-04-16
Uploaded by Mutisia
Uploaded by Mutisia
Location: Hopland, CA garden tour
Date: 6-17-2017
Location: Hopland, CA garden tour
Date: 6-17-2017
Location: Hopland, CA garden tour
Date: 6-17-2017
Uploaded by Mutisia
Uploaded by Mutisia
Uploaded by Mutisia

Photo courtesy of Annie's Annuals and Perennials

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