Matthiola, Perennial White Stock, White Tree Stock
Matthiolaarborescens 'Alba'

Family: Brassicaceae (brass-ih-KAY-see-ee)
Genus: Matthiola (ma-the-OH-luh)
Species: arborescens (ar-bo-RES-senz)
Cultivar: Alba

Synonym:Matthiola arborescens var. alba

Category
Alpines and Rock Gardens
Shrubs
Tropicals and Tender Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Deciduous

Foliage Color
Blue-Green

Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness
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)

Where to Grow
Can be grown as an annual

Danger

Bloom Color
Medium Purple

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Summer/Early Fall

Other details

Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
From seed; direct sow outdoors in fall

Seed Collecting