Life Span
Perennial
  
Perennial
  
Type
Aquatics
  
Herbs
  
Origin
North America, Europe, Asia
  
Southern Europe, Mediterranean
  
Types
Lemna minor
  
Arp Rosemary, Gorizia Rosemary, Lockwood de Forest Rosemary, Salem Rosemary
  
Number of Varieties
Not Available
  
Habitat
Lakes, Ponds, sluggish streams and rivers
  
Dry areas, Open scrub
  
USDA Hardiness Zone
1-8
  
8-11
  
AHS Heat Zone
7-1
  
12-8
  
Sunset Zone
21,22
  
H1, H2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Spreading
  
Oval or Rounded
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Non Flowering Plant
  
Blue Violet
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Light Green
  
Not Available
  
Leaf Color in Spring
Green, Light Green
  
Sea Green
  
Leaf Color in Summer
Green, Light Green
  
Sea Green
  
Leaf Color in Fall
Green, Light Green
  
Sea Green
  
Leaf Color in Winter
Light Green
  
Light Green
  
Shape
  
  
Leaf Shape
Oblong-lanceolate
  
Needle like
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun, Partial shade
  
Full Sun
  
Growth Rate
Fast
  
Fast
  
Type of Soil
Aquatic Plant
  
Loam, Sand
  
The pH of Soil
Aquatic Plant
  
Neutral, Alkaline
  
Soil Drainage
Poorly Drained
  
Well drained
  
Bloom Time
Late Spring, Early Summer
  
Early Spring, Spring, Late Spring, Late Winter
  
Repeat Bloomer
No
  
No
  
Tolerances
Cold climate, Salt, Wet Site
  
Drought
  
Where to Plant?
In Water
  
Container, Ground, Pot
  
How to Plant?
Seedlings
  
Seedlings, Stem Planting
  
Plant Maintenance
Low
  
Medium
  
Watering Plants
  
  
Watering Requirements
Plant grows in water
  
Do not water frequently, Does not require lot of watering, It cannot sustain wet-feet, Never Over-water, Requires watering in the growing season, Water when soil is dry, when new, water every week
  
In Summer
Aquatic Plant
  
Lots of watering
  
In Spring
Aquatic Plant
  
Moderate
  
In Winter
Aquatic Plant
  
Average Water
  
Soil
  
  
Soil pH
Aquatic Plant
  
Neutral, Alkaline
  
Soil Type
Aquatic Plant
  
Loam, Sand
  
Soil Drainage Capacity
Poorly Drained
  
Well drained
  
Sun Exposure
Full Sun, Partial Sun, Partial shade
  
Full Sun
  
Pruning
No need to prune
  
Prune for shortening long shoots, Prune if you want to improve plant shape, Prune regularly, Prune to control growth, Requires extensive pruning
  
Fertilizers
No fertilizers needed
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Insects, Red blotch
  
Mealybugs, Powdery mildew, Root rot, Scale, Spider mites, Whiteflies
  
Plant Tolerance
Cold climate, Salt
  
Drought
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
Yes
  
Fragrant Bark/Stem
No
  
Yes
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Fine
  
Fine
  
Foliage Sheen
Glossy
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
No
  
Attracts
Insects
  
Bees
  
Allergy
no allergic reactions
  
Skin rash, Vomiting
  
Uses
  
  
Aesthetic Uses
Not Used For Aesthetic Purpose
  
Beautification, Showy Purposes
  
Beauty Benefits
No Beauty Benefits
  
Not Available
  
Edible Uses
No
  
Yes
  
Environmental Uses
Food for insects
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Swelling
  
Antioxidants, Cough, Gastrointestinal disorders, Heartburn, High blood pressure, Indigestion
  
Part of Plant Used
Not Available
  
Flowers, Leaves
  
Other Uses
Not Available
  
Air freshner, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used as a spice
  
Used As Indoor Plant
No
  
Sometimes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bog Garden, Water Gardens
  
Container, Edible, Hedges, Herb / Vegetable, Mixed Border, Topiary / Bonsai / Espalier
  
Botanical Name
LEMNA trisulca
  
ROSMARINUS officinalis 'Tuscan Blue'
  
Common Name
Duckmeat, Frog's Buttons, Ivyleaf Duckweed, Star Duckweed
  
Rosemary, Tuscan Blue Rosemary
  
In Hindi
duckweed
  
टस्कन ब्लू दौनी
  
In German
Entengrütze
  
Tuscan Blau Rosmarin
  
In French
lentille d'eau
  
Toscane Bleu Rosemary
  
In Spanish
Lenteja de agua
  
Toscana azul Romero
  
In Greek
duckweed
  
Τοσκάνης Μπλε Rosemary
  
In Portuguese
lentilha-d'água
  
Tuscan Azul Rosemary
  
In Polish
Rzęsa
  
Toskańskie Niebieski Rosemary
  
In Latin
duckweed
  
Tusci Rosemary blue
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Magnoliophyta
  
Class
Liliopsida
  
Magnoliopsida
  
Order
Arales
  
Lamiales
  
Family
Lemnaceae
  
Lamiaceae
  
Genus
Lemna
  
Rosmarinus
  
Clade
Angiosperms, Monocots
  
Not Available
  
Tribe
Lemneae
  
Not Available
  
Subfamily
Lemnoideae
  
Not Available
  
Number of Species
Not Available