Life Span
Perennial
Perennial
Type
Succulent
Perennial
Origin
California
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
Types
Ulva lactuca, Ulva intestinalis
-
Number of Varieties
32
0
40000
👆🏻
Habitat
Coastal Regions, shores
gardens, Hardwood forests
USDA Hardiness Zone
10-115-7
0
99
👆🏻
AHS Heat Zone
12-1
7-5
Sunset Zone
9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
Habit
Rosette/Stemless
Clump-Forming
Plant Size
Minimum Height
15.20 cm15.20 cm
0
3900
👆🏻
Minimum Width
30.00 cm12.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red
White
Flower Color Modifier
-
Bicolor
Fruit Color
-
Light Green
Leaf Color in Spring
Gray Green, Yellow green, Gray
Green, Blue Green
Leaf Color in Summer
Gray Green, Yellow green, Gray
Green, Gray Green
Leaf Color in Fall
Gray Green, Yellow green, Gray
Green, Gray Green
Leaf Color in Winter
Gray Green, Yellow green, Gray
Light Green
Shape
Leaf Shape
Cone shaped to oblong
Butterfly shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Partial shade, Full Shade
Growth Rate
Medium
Slow
Type of Soil
Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground, Pot
How to Plant?
Leaf Cutting, Seedlings, Stem Cutting
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water slowly, and allow to dry completely between soakings
Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove deadheads, Requires very little pruning
Fertilizers
Fertilzer with low nitrogen content
No fertilizers needed
Pests and Diseases
Fungal Diseases, Root rot
Pests and diseases free, Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Bold
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Bees, Butterflies
Allergy
Mild Allergen
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Bone strength, Rich in Iron, Rich in protein
Cancer, Diuretic
Part of Plant Used
Leaves
Flowers, Root
Other Uses
Used in salads, Used to flavour soups
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Feature Plant, Groundcover
Botanical Name
DUDLEYA caespitosa
JEFFERSONIA diphylla
Common Name
Sealettuce, Sand lettuce, Coast dudleya
-
In Hindi
Sea Lettuce
Twinleaf
In German
Meersalat
Twinleaf
In French
La laitue de mer
Twinleaf
In Spanish
lechuga de mar
Twinleaf
In Greek
θάλασσα Μαρούλι
Twinleaf
In Portuguese
alface mar
Twinleaf
In Polish
Sea sałata
Twinleaf
In Latin
Lactuca mare
Twinleaf
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Ranunculales
Family
Crassulaceae
Berberidaceae
Genus
Dudleya
Jeffersonia
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots
Tribe
Sedeae
-
Subfamily
Sedoideae
-
Number of Species
502
1
27800
👆🏻