Photo by Melody

PlantFiles: California Bluebells, Desert Bluebells
Phacelia campanularia

Family: Boraginaceae
Genus: Phacelia (fa-SEE-lee-uh) (Info)
Species: campanularia (kam-pan-yoo-LAR-ee-uh) (Info)

Synonym:Phacelia campanularia var. vasiformis
Synonym:Phacelia campanularia subsp. vasiformis

5 vendors have this plant for sale.

35 members have or want this plant for trade.


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

3-6 in. (7-15 cm)

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)
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)

Sun Exposure:
Full Sun


Bloom Color:
Medium Blue
Dark Blue

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Drought-tolerant; suitable for xeriscaping
This plant may be considered a protected species; check before digging or gathering seeds

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:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive nashiana On Jul 9, 2013, nashiana from Austin, TX wrote:

This is plant is Phacelia campanularia, probably variety vasiformis. Phacelia minor is a different species, it is purple with a bell-shaped flower and does not have white spots. The name "Phacelia minor var. campanularia" is a synonym that should not be used. It'd be nice if the listing name could be changed as to not perpetuate confusion.

The plants themselves are fantastic and will definitely improve your garden.

Positive mjsponies On May 17, 2009, mjsponies from DeLand/Deleon Springs, FL (Zone 8b) wrote:

This plant came up from a packet of seeds I got in a seed swap that were a 'wildflower/annual' mix.
I just love it and will be looking to plant it on purpose in the future

Positive Anitabryk2 On May 27, 2007, Anitabryk2 from Long Island, NY (Zone 6b) wrote:

This plant wintersows very well. It looks beautiful planted with Forget-me-nots. I've only had it reseed twice, otherwise, I have to replant it every year.

Positive gardenermaid On Oct 3, 2003, gardenermaid from Bellaire, MI (Zone 5a) wrote:

This plant just glows in my garden. It attracted both butterflies and bees and bloomed all summer! I love this plant.


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

Gilbert, Arizona
Green Valley, Arizona
Maricopa, Arizona
Phoenix, Arizona
Tucson, Arizona
Borrego Springs, California
Citrus Heights, California
Lawndale, California
Los Angeles, California
Menifee, California
Mountain View, California
Redlands, California
Richmond, California
Vista, California
Denver, Colorado
Deland, Florida
Snellville, Georgia
Bellaire, Michigan
Henderson, Nevada
Las Vegas, Nevada
Panama, New York
Ronkonkoma, New York
Benton City, Washington
Kalama, Washington

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