Lithotoma Species, Blue Star Creeper, Laurentia, Rock Isotome

Lithotomaaxillaris

Family
Campanulaceae (kam-pan-yew-LAY-see-ee)
Species
axillaris (ax-ILL-ar-iss)
Synonym
Isotoma axillaris
Laurentia axillaris
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
Danger
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Light Blue
Dark Blue
Medium Blue
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly
Other Details
Category
Annuals
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Suitable for growing in containers
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From herbaceous stem cuttings
From seed; sow indoors before last frost
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Long Beach, California

San Francisco, California

Santa Rosa Beach, Florida

Derby, Kansas

Brookline, Massachusetts

Omaha, Nebraska

Charlotte, North Carolina

Akron, Ohio

Cincinnati, Ohio

Lynchburg, Ohio

Monmouth, Oregon

Portland, Oregon

Dallas, Texas(2 reports)

Berkeley Springs, West Virginia

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Gardener's Notes:

7
positives
3
neutrals
0
negative
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G
Dallas, TX | December 2010 | positive

Put 3 in border last spring. Pretty 'true blue" flowers with lovely delicate foliage. Grown by Proven Winners and sold as laurentia, 'Bet...Read More

A
Santa Rosa Beach, FL | October 2009 | positive

Ihave grown laurentia Beth's Blue only this summer in the panhandle of Florida. I had to go to St. Louis to buy the plant because no one...Read More

R
(Zone 9a) | June 2007 | neutral

This is an elegant Australian native with gorgeous star-like flowers. Mine did well in our Zone 9a garden (South Australian hills) throu...Read More

R
Brookline, MA | September 2006 | positive

I have grown this from T&M seed for two years -- first just the blue, then the mix of blue, pink, and white. I did not succeed in gettin...Read More

K
Portland, OR | June 2004 | positive

I had a Blue Star Solenopsis in my garden last year and it bloomed beautifully all summer. We suffered a bitter freeze this last winter ...Read More

C
| July 2003 | positive

I know this plant as Solenopsis, or blue-star laurentia. It grows beautfully in Ottawa, Canada (Zone 4-5) as an annual. It grows in a lov...Read More

M
M
| May 2003 | neutral

Beautiful plant. I am however a little confused. The tags on my Blue star Laurentia calls it a perrenial. This info says its an annual. C...Read More

A
| January 2003 | positive

I grew Laurentia in 2002 in zone 5 (Nfld. Canada) and was very pleased with the results. It was excellent in planters and as an edging to...Read More

A
Johnston, IA (Zone 5b) | May 2002 | positive

Have grown repeatedly as an annual in USDA zone 5. Must start early (mid February) for blooms by June. Lovely, finely dissected 'ferny' f...Read More

B
Hillsboro, OH (Zone 6a) | August 2001 | neutral

This plant belongs to a genus of approx. 25 species, grown on dry, exposed sites in Australia, Central and South America. Where not hard...Read More

Featured
Leaf footed Bug
(Leptoglossus phyllopus)
Broad-billed Sandpiper
(Limicola falcinellus)
Featured
Leaf footed Bug
(Leptoglossus phyllopus)
Broad-billed Sandpiper
(Limicola falcinellus)