Boxthorn

Severiniabuxifolia

Family
Rutaceae (roo-TAY-see-ee)
Species
buxifolia (buks-ih-FOH-lee-uh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Textured
Height
6-8 ft. (1.8-2.4 m)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Shrubs
Tropicals and Tender Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From woody stem cuttings
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
By air layering
Seed Collecting
Seed does not store well; sow as soon as possible
Regional

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Gardener's Notes:

1
positive
0
neutral
0
negative
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M
Bartow, FL (Zone 9a) | April 2006 | positive

This relative of citrus has LARGE thorns, it is evergreen and compact as well as a slow grower. Plant it in an area where you don't want...Read More

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