Life Span
Perennial
Biennial
Type
Succulent
Tree
Origin
California
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Ulva lactuca, Ulva intestinalis
Yellow Birch, Paper Birch, River Birch
Number of Varieties
340
0
40000
👆🏻
Habitat
Coastal Regions, shores
Hills, Moist Soils
USDA Hardiness Zone
10-114-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Rosette/Stemless
Oval or Rounded
Plant Size
Minimum Height
15.20 cm2,133.60 cm
0
3900
👆🏻
Minimum Width
30.00 cm762.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red
Yellow, Brown
Flower Color Modifier
-
Bicolor
Fruit Color
-
Black
Leaf Color in Spring
Gray Green, Yellow green, Gray
Green, Light Green
Leaf Color in Summer
Gray Green, Yellow green, Gray
Green, Light Green
Leaf Color in Fall
Gray Green, Yellow green, Gray
Yellow, Light Yellow, Tan
Leaf Color in Winter
Gray Green, Yellow green, Gray
-
Shape
Leaf Shape
Cone shaped to oblong
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Leaf Cutting, Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Water slowly, and allow to dry completely between soakings
Requires watering in the growing season, Water daily during growing season, Water Deeply, Water more frequently during periods of extreme drought
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
Clay, 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
Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
Fertilzer with low nitrogen content
All-Purpose Liquid Fertilizer, fertilize twice a year, Nitrogen
Pests and Diseases
Fungal Diseases, Root rot
Red blotch
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flowers
Showy
Showy
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Ants, Aphids, Birds
Allergy
Mild Allergen
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Bone strength, Rich in Iron, Rich in protein
Antibacterial, anti-inflammatory, Arthritis, Boils, bowel syndrome, Combats Stress, Diarrhea, Dysentry, Heart problems, Kidney Stones, Osteoarthritis, Skin Disorders, Urinary tract problems
Part of Plant Used
Leaves
Bark, Leaves, Sap
Other Uses
Used in salads, Used to flavour soups
Medicinal oil, Used as essential oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Feature Plant, Shade Trees
Botanical Name
DUDLEYA caespitosa
BETULA nigra 'Studetec'
Common Name
Sealettuce, Sand lettuce, Coast dudleya
Black Birch, River Birch, Tecumseh Compact River Birch
In Hindi
Sea Lettuce
काले बर्च वृक्ष
In German
Meersalat
Schwarze Birke
In French
La laitue de mer
Noir Bouleau
In Spanish
lechuga de mar
Negro del árbol de abedul
In Greek
θάλασσα Μαρούλι
Μαύρο Birch Tree
In Portuguese
alface mar
Bétula Preto
In Polish
Sea sałata
Czarny Brzoza
In Latin
Lactuca mare
Niger 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
-
Number of Species
5040
1
27800
👆🏻