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PlantFiles: Edging Lobelia, Annual Lobelia, Trailing Lobelia
Lobelia erinus 'Sapphire'

Family: Campanulaceae (kam-pan-yew-LAY-see-ee) (Info)
Genus: Lobelia (low-BEE-lee-a) (Info)
Species: erinus (EAR-rin-us) (Info)
Cultivar: Sapphire
Additional cultivar information: (Pendula group)

2 vendors have this plant for sale.

15 members have or want this plant for trade.


6-12 in. (15-30 cm)

12-15 in. (30-38 cm)

Not Applicable

Sun Exposure:
Full Sun
Sun to Partial Shade

All parts of plant are poisonous if ingested

Bloom Color:
Dark Blue

Bloom Time:
Blooms repeatedly


Other details:
Average Water Needs; Water regularly; do not overwater

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 herbaceous stem cuttings
From seed; sow indoors before last frost
From seed; direct sow after last frost

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

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There are a total of 14 photos.
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4 positives
1 neutral
No negatives

Gardeners' Notes:

Positive zest On Nov 14, 2007, zest from Horsens
Denmark wrote:

Have grown it for two years and there is only one word to describe it; I love it!

Positive Gindee77 On May 21, 2005, Gindee77 from Hampton, IL (Zone 5a) wrote:

This annual is a great flower for borders and filler in garden beds. Their color is so vibrant and alive, they add a nice touch to the finished bed.

Positive Moda127 On Oct 2, 2003, Moda127 from Morristown, NJ (Zone 6a) wrote:

Believe it or not - These plants seem to be deer resistant!

Positive mbyrne On Jun 5, 2003, mbyrne wrote:

I am currently growing this plant in shady area. I really brightens up the bed. It has the best intensly rich blue color.

Neutral Baa On Aug 24, 2002, Baa wrote:

An old and deservedly popular cultivar, bred in the early part of the 1900's.

Has a good trailing habit and bears many deep blue flowers each with a showy white eye. It's a very reliable and floriferous type suitable for all containers and hanging baskets.

As with other L. erinus they dislike too much heat and appreciate some shade from the midday sun. They also need a lot of watering during dry times but are well worth the effort.


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

Garberville, California
Hayward, California
Martinez, California
Merced, California
Sarasota, Florida
Hampton, Illinois
Lake Charles, Louisiana
Morristown, New Jersey
Portland, Oregon
Charlottesville, Virginia
Freeland, Washington
Kalama, Washington

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