Photo by Melody

PlantFiles: Hyssop, Lemon Bacopa
Bacopa caroliniana

Family: Plantaginaceae
Genus: Bacopa (buh-KOH-puh) (Info)
Species: caroliniana (kair-oh-lin-ee-AN-uh) (Info)

3 members have or want this plant for trade.

Ponds and Aquatics

under 6 in. (15 cm)

18-24 in. (45-60 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:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Medium Blue

Bloom Time:
Mid Summer


Other details:
Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
From herbaceous stem cuttings

Seed Collecting:
Unknown - Tell us

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By Equilibrium
Thumbnail #1 of Bacopa caroliniana by Equilibrium

By Floridian
Thumbnail #2 of Bacopa caroliniana by Floridian

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1 positive
3 neutrals
No negatives

Gardeners' Notes:

Neutral pbtxlady On Jun 18, 2012, pbtxlady from Garland, TX (Zone 8a) wrote:

I've been growing this plant in my little pond for about 5 years. I really love its little blue flowers. I have given it a neutral rather than a positive solely because it seems to attract algae more than some other water plants.

Neutral frostweed On Jan 3, 2007, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Hyssop, Lemon Bacopa Bacopa caroliniana is Native to Texas and other States.

Positive ButterflyGardnr On Jan 9, 2003, ButterflyGardnr from Orlando, FL (Zone 9b) wrote:

This plant is pretty on the edges of a pond or in shallow water. It thrives in shallow standing water. It has colorful blue flowers and is a larval food for the White Peacock butterfly. It will die back if there is a hard freeze. It is easily cultivated by cuttings from the stems.

Neutral Terry On Aug 23, 2001, Terry from Murfreesboro, TN (Zone 7a) wrote:

A small, emersed perennial herb, Lemon Bacopa is easily differentiated from other species by its blue flowers and by the lemony scent of its succulent leaves when crushed.

Flowering occurs all season, with small blue flowers, each with 4 or 5 petals rising above the foliage.


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

Clermont, Florida
Orlando, Florida
Sarasota, Florida
Hinesville, Georgia
Abilene, Texas
Garland, Texas

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