Life Span
Perennial
Annual
Type
Tree
Flowering Plants, Shrubs
Origin
United States, California
America
Types
-
Lobelia aberdarica, Lobelia leschenaultiana, Lobelia canbyi
Number of Varieties
8415
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Open areas, River side, Woods
USDA Hardiness Zone
6-94-9
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, H1, H2, 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
Spreading
Cushion/Mound-forming
Plant Size
Minimum Height
1,520.00 cm0.54 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm0.38 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Blue, Red, Violet, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Dark Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Yellow, Orange, Pink
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Cushion
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Fall, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial shade
Growth Rate
Slow
Fast
Type of Soil
-
Well drained
The pH of Soil
-
Acidic
Soil Drainage
-
Well drained
Bloom Time
Spring
Early Fall, Early Summer, Late Summer, Mid fall, Mid Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Form a Soil ring to water efficiently, Prefer drip-irrigation instead of Over-head watering, Requires watering in the growing season, Use Mulches to help prevent water loss during hot and windy weather, Water twice a day in the initial period
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Acidic
Soil Type
-
Well drained
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Cut or pinch the stems, Prune after flowering, Prune to control growth, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Botrytis Blight, Crown rot, Pythium rot, Stem spot
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Medium
Fine
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Hummingbirds
Allergy
Pollen
coma, convulsions, Diarrhea, exhaustion, Nausea, salivation, Vomiting, weakness
Uses
Aesthetic Uses
Borders
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Asthma, Bronchitis, Croup
Part of Plant Used
Leaves, Seeds, Wood
Leaves, Seeds
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Bedding Plant, Bog Garden, Edging, Foundation, Hanging Basket, Houseplant, Mixed Border, Rock Garden / Wall
Botanical Name
QUERCUS douglasii
Lobelia laxiflora
Common Name
Blue Oak
Lobelia
In Hindi
Blue Oak Tree
Lobelia
In German
Blaue Eiche
Lobelie
In French
Bleu Oak Tree
Lobelia
In Spanish
Azul del árbol de roble
Lobelia
In Greek
Μπλε Oak Tree
λοβηλία
In Portuguese
Carvalho azul
Lobélia
In Polish
Niebieski Oak Tree
Lobelia
In Latin
Blue quercum ligno
Lobelia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Dicotyledonae
Order
Fagales
Asterales
Family
Fagaceae
Campanulaceae
Genus
Quercus
Lobelia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
Lobelioideae
Number of Species
20415
1
27800
👆🏻