PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

Lithodora
Lithodora diffusa 'White Star'

Family: Boraginaceae
Genus: Lithodora (lith-oh-DOR-uh) (Info)
Species: diffusa (dy-FEW-sa) (Info)
Cultivar: White Star
Additional cultivar information:(PP20078)
Hybridized by Takao
Registered or introduced: 2008

Category:

Alpines and Rock Gardens

Groundcovers

Perennials

Height:

6-12 in. (15-30 cm)

Spacing:

12-15 in. (30-38 cm)

Hardiness:

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Medium Blue

Dark Blue

White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer

Blooms repeatedly

Foliage:

Evergreen

Velvet/Fuzzy-Textured

Other details:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Patented

Propagation Methods:

From softwood cuttings

From seed; sow indoors before last frost

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Brea, California

Elizabeth City, North Carolina

Norristown, Pennsylvania

Conway, South Carolina

Lexington, Virginia

Sumner, Washington

show all

Gardeners' Notes:

No details have been posted.