Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Southern Europe, Mediterranean
United States, California
Types
Erysimum franciscanum
-
Number of Varieties
508
0
40000
👆🏻
Habitat
gardens, Grassland, Prairies
Woodland Garden Canopy
USDA Hardiness Zone
7-96-9
0
99
👆🏻
AHS Heat Zone
9-7
9-1
Sunset Zone
4, 5, 6, 14, 15, 16, 17, 18, 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
Mat-forming
Spreading
Plant Size
Minimum Height
30.50 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pale White, Pale Yellow, Yellow, Yellow green
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green
-
Leaf Color in Spring
Gray Green
Green, Blue Green
Leaf Color in Summer
Gray Green
Green, Blue Green
Leaf Color in Fall
Gray Green
Yellow, Orange, Pink
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Loam, Sand
-
The pH of Soil
Neutral, Alkaline
-
Soil Drainage
Well drained
-
Bloom Time
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
-
Soil Type
Loam, Sand
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Do not prune during shooting season, Prune if you want to improve plant shape, Prune prior to new growth, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
fungus, Insects, Red blotch
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
Fine
Medium
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Birds, Butterflies
Birds
Allergy
Skin irritation
Pollen
Uses
Aesthetic Uses
Beautification, Showy Purposes
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
-
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Whole plant
Leaves, Seeds, Wood
Other Uses
Showy Purposes
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Feature Plant, Shade Trees, Street Trees
Botanical Name
Erysimum franciscanum
QUERCUS douglasii
Common Name
Franciscan wallflower, San Francisco wallflower
Blue Oak
In Hindi
Franciscan wallflower
Blue Oak Tree
In German
Franziskaner Mauerblümchen
Blaue Eiche
In French
wallflower franciscaine
Bleu Oak Tree
In Spanish
alhelí franciscana
Azul del árbol de roble
In Greek
Φραγκισκανών wallflower
Μπλε Oak Tree
In Portuguese
wallflower Franciscan
Carvalho azul
In Polish
wallflower Franciszkanów
Niebieski Oak Tree
In Latin
Francisci Wallflower
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Brassicales
Fagales
Family
Brassicaceae
Fagaceae
Genus
Erysimum
Quercus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
5020
1
27800
👆🏻