Life Span
Perennial
Perennial
Type
Succulent
Tree
Origin
California
United States, California
Types
Ulva lactuca, Ulva intestinalis
-
Number of Varieties
38
0
40000
👆🏻
Habitat
Coastal Regions, shores
Woodland Garden Canopy
USDA Hardiness Zone
10-116-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Rosette/Stemless
Spreading
Plant Size
Minimum Height
15.20 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red
Red, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Gray Green, Yellow green, Gray
Green, Blue Green
Leaf Color in Summer
Gray Green, Yellow green, Gray
Green, Blue Green
Leaf Color in Fall
Gray Green, Yellow green, Gray
Yellow, Orange, Pink
Leaf Color in Winter
Gray Green, Yellow green, Gray
-
Shape
Leaf Shape
Cone shaped to oblong
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Sand
-
The pH of Soil
Acidic, Neutral
-
Soil Drainage
Well drained
-
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
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
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
-
Soil Type
Sand
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Fertilzer with low nitrogen content
All-Purpose Liquid Fertilizer
Pests and Diseases
Fungal Diseases, Root rot
Red blotch
Plant Tolerance
Drought
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
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds
Allergy
Mild Allergen
Pollen
Uses
Aesthetic Uses
-
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Bone strength, Rich in Iron, Rich in protein
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Leaves
Leaves, Seeds, Wood
Other Uses
Used in salads, Used to flavour soups
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Feature Plant, Shade Trees, Street Trees
Botanical Name
DUDLEYA caespitosa
QUERCUS douglasii
Common Name
Sealettuce, Sand lettuce, Coast dudleya
Blue Oak
In Hindi
Sea Lettuce
Blue Oak Tree
In German
Meersalat
Blaue Eiche
In French
La laitue de mer
Bleu Oak Tree
In Spanish
lechuga de mar
Azul del árbol de roble
In Greek
θάλασσα Μαρούλι
Μπλε Oak Tree
In Portuguese
alface mar
Carvalho azul
In Polish
Sea sałata
Niebieski Oak Tree
In Latin
Lactuca mare
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Fagales
Family
Crassulaceae
Fagaceae
Genus
Dudleya
Quercus
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Sedeae
-
Subfamily
Sedoideae
-
Number of Species
5020
1
27800
👆🏻