Photo by Melody

PlantFiles: Edging Lobelia, Annual Lobelia, Trailing Lobelia
Lobelia erinus 'Crystal Palace'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Lobelia (low-BEE-lee-a) (Info)
Species: erinus (EAR-rin-us) (Info)
Cultivar: Crystal Palace
Additional cultivar information: (Fuseable series, aka Blue Brothers Crystal Palace)

4 vendors have this plant for sale.

9 members have or want this plant for trade.


6-12 in. (15-30 cm)

6-9 in. (15-22 cm)

Not Applicable

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

All parts of plant are poisonous if ingested

Bloom Color:
Dark Blue

Bloom Time:
Late Spring/Early Summer
Mid Summer


Other details:
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Provides winter interest
Suitable for growing in containers

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:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
From seed; germinate in vitro in gelatin, agar or other medium

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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1 positive
No neutrals
1 negative

Gardeners' Notes:

Negative imagerep On Apr 26, 2013, imagerep from Westlake Village, CA wrote:

Pretty flower BUT this plant will eventually be in every square inch of your property in a few years. Spreads like a weed. Unless that is what you want, be careful. also in every crevice, including cracks in concrete/hardscape. Extremely invasive.

Positive 44anne On May 25, 2006, 44anne from Odessa, TX wrote:

I consider this lovely blue trailing flower a staple for any
container garden. It also does well in a border if it gets
some afternoon shade. In this (hot & dry) climate plenty
of water is a must. All the shades of blue I have seen it
in are just beautiful; "crystal palace" is my favorite.


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

Anchorage, Alaska
Cabot, Arkansas
Baywood-los Osos, California
Ben Lomond, California
Eureka, California
Knights Landing, California
Lawndale, California
Martinez, California
Mission Viejo, California
San Diego, California
Westlake Village, California
New Castle, Colorado
Keystone Heights, Florida
Elmhurst, Illinois
Hinsdale, Illinois
Winfield, Illinois
Cambridge, Massachusetts
Kirtland, New Mexico
Greenville, Ohio
Lansdowne, Pennsylvania
Carrollton, Texas
Odessa, Texas
Salt Lake City, Utah
Radford, Virginia
Kalama, Washington

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