Life Span
Perennial
Biennial
Type
Succulent
Tree
Origin
California
-
Types
Ulva lactuca, Ulva intestinalis
Chinese red birch, Betula fruticosa, Betula ermanii
Number of Varieties
360
0
40000
👆🏻
Habitat
Coastal Regions, shores
Rocky areas, Sandy areas, Well Drained, Wet forest, Wet ground, Wet lands
USDA Hardiness Zone
10-114-7
0
99
👆🏻
AHS Heat Zone
12-1
7-1
Sunset Zone
9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16
Habit
Rosette/Stemless
Pyramidal
Plant Size
Minimum Height
15.20 cm1,219.20 cm
0
3900
👆🏻
Minimum Width
30.00 cm762.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red
Yellow, Tan
Flower Color Modifier
-
Bicolor
Fruit Color
-
Bronze, Sandy Brown
Leaf Color in Spring
Gray Green, Yellow green, Gray
-
Leaf Color in Summer
Gray Green, Yellow green, Gray
-
Leaf Color in Fall
Gray Green, Yellow green, Gray
Yellow, Red, Orange
Leaf Color in Winter
Gray Green, Yellow green, Gray
-
Shape
Leaf Shape
Cone shaped to oblong
Heart-shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground
Ground
How to Plant?
Leaf Cutting, Seedlings, Stem Cutting
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water slowly, and allow to dry completely between soakings
Average Water Needs, Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in early spring, Prune in late winter, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short branches
Fertilizers
Fertilzer with low nitrogen content
All-Purpose Liquid Fertilizer, Fertilize in early spring, Fertilize in late fall, Nitrogen
Pests and Diseases
Fungal Diseases, Root rot
Red blotch
Plant Tolerance
Drought
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Ants, Birds, Insects
Allergy
Mild Allergen
Itchiness, Pollen, Sore Throat
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
Good for skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Bone strength, Rich in Iron, Rich in protein
anti-inflammatory, Arthritis, Bone strength, Dermatitis, Eczema, Eliminate toxins, Heart problems, High cholestrol, Immunity, Kidney problems
Part of Plant Used
Leaves
Whole plant
Other Uses
Used in salads, Used to flavour soups
Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Feature Plant, Mixed Border, Shade Trees
Botanical Name
DUDLEYA caespitosa
BETULA 'Crimson Frost'
Common Name
Sealettuce, Sand lettuce, Coast dudleya
Birch, Crimson Frost Birch
In Hindi
Sea Lettuce
भोज पत्र
In German
Meersalat
Birke
In French
La laitue de mer
Arbre de bouleau
In Spanish
lechuga de mar
Abedul
In Greek
θάλασσα Μαρούλι
Birch Tree
In Portuguese
alface mar
bétula
In Polish
Sea sałata
Brzoza
In Latin
Lactuca mare
Caerulus
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Fagales
Family
Crassulaceae
Betulaceae
Genus
Dudleya
Betula
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Sedeae
-
Subfamily
Sedoideae
Carpinaceae
Number of Species
5034
1
27800
👆🏻