Photo by Melody

PlantFiles: Giant Salvinia, Water Spangles, Water Fern, Floating Fern
Salvinia minima

Family: Salviniaceae
Genus: Salvinia (sal-VIN-ee-uh) (Info)
Species: minima (MIN-eh-muh) (Info)

5 members have or want this plant for trade.

Ponds and Aquatics

under 6 in. (15 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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun


Bloom Color:

Bloom Time:


Other details:
May be a noxious weed or invasive
Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Plant is viviparous

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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No positives
1 neutral
3 negatives

Gardeners' Notes:

Negative cocoa_lulu On Jul 27, 2011, cocoa_lulu from Grand Saline, TX (Zone 7b) wrote:

Texans Beware: All species of the genus Salvinia has been become a Class B Parks and Wildlife Code Misdemeanor and illegal to own, grow, sell, or transport in Texas. With fines of not less than $200 or more than $2000 (per plant) a jail term not to exceed 180 days, or both a fine AND imprisonment. For more and updated information, visit

Negative frostweed On Dec 27, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Giant Salvinia, Water Spangles, Water Fern, Floating Fern Salvinia minima is naturalized in Texas and other States and is considered an invasive noxious plant. It is prohibited in Texas.

Neutral MotherNature4 On Dec 11, 2005, MotherNature4 from Bartow, FL (Zone 9a) wrote:

I believe that a synonym is Salvinia rotundifolia.

Negative dogbane On Nov 15, 2003, dogbane from New Orleans, LA (Zone 9a) wrote:

There is a species of Salvinia which is an invasive exotic in Louisiana. It outcompetes duckweed, an important food for migratory waterfowl. I am not sure if it is this species, but please be careful in cultivating Salvinia.


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

Bartow, Florida
Fountain, Florida
Rockledge, Florida
Tampa, Florida

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