Sponge Plant, Amazon Frogbit

Limnobiumlaevigatum

Genus
Limnobium (lim-NO-bee-um)
Species
laevigatum (lee-vih-GAY-tum)
Synonym
Limnobium stoloniferum
Hydromistria stoloniferum
Salvinia laevigatum
Sun Exposure
Full Sun
Foliage
Succulent
Textured
Veined
Velvet/Fuzzy
Height
36-48 in. (90-120 cm)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
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)
Danger
Seed is poisonous if ingested
Bloom Color
Pale Yellow
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Propagation Methods
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Somerville, Alabama

Pleasant Hill, California

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Gardener's Notes:

0
positive
0
neutral
1
negative
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D
Martinez, CA | October 2010 | negative

Extremely invasive, illegal in California and most likely other states, has recently gotten into the local waterways and is causing many ...Read More

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