Photo of Colletia hystrix flower by Patricio Novoa Quezada

Photo by Patricio Novoa Quezada

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Colletia hystrix

Also Known As

  • Crucifixion Thorn

Plant type

shrub

size

  • H: 4'-6'
  • W: 4'-6'

planting zones

  • 8a-10b

Colletia hystrix plant details

Colletia hystrix is a broadleaf deciduous shrub with blue and green foliage. In fall white flowers emerge. Grows well with sun - mostly sun and occasional water. Does well in average and well-drained soil.

CHARACTERISTICS OF Colletia hystrix

Plant type: shrub
Plant family: rhamnaceae
Foliage: deciduous blue and green
Mature size: 4 FT - 6 FT - wide, 4 FT - 6 FT - tall
Flowers: white blooms in fall
Uses: fragrant, spiky

GROWING CONDITIONS for Colletia hystrix

USDA Zones: 8a - 10b
Sun exposure: sun - mostly sun
Watering frequency: occasional
Soil needs: average and well-drained

Nursery contributed plant descriptions

A very prickly shrub, as one of its common names, crucifixion thorn suggests, but also striking with its tiny, inconspicuous, deciduous leaves on gray-green, rounded spine-tipped stems that do most of photosynthesis. Produces abundant, tiny, scented, tubular, white flowers in late summer-autumn. Slowly to 4-6 ft tall and wide, (larger over a long time but clippers can be used) in full sun and well-drained soil. Drought tolerant but accepting of summer water. Frost hardy to 10° F, USDA zones 8.

Gardening facts about Colletia hystrix plant

How to Grow Colletia hystrix

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • occasional
  • Soil Needs

    • average
    • well-drained

Features

  • Foliage Color

    • green
    • blue
  • Flower Color

    • white
  • Flower Season

    • fall
  • Foliage Season

    • deciduous
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