Life Span
Perennial
Annual and Perennial
Type
Tree
Tender Perennial
Origin
Central Asia, India, Nepal
Southern Europe, Mediterranean
Types
White oak, Bluff oak, Muller oak
Erysimum franciscanum
Number of Varieties
60050
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
gardens, Grassland, Prairies
USDA Hardiness Zone
6-97-9
0
99
👆🏻
AHS Heat Zone
7-5
9-7
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
4, 5, 6, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Mat-forming
Plant Size
Minimum Height
2,286.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Pale White, Pale Yellow, Yellow, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
Green
Leaf Color in Spring
Green, Light Green, Gray
Gray Green
Leaf Color in Summer
Green, Gray
Gray Green
Leaf Color in Fall
Green, Dark Green, Gray
Gray Green
Leaf Color in Winter
Dark Green, Gray
Light Green
Shape
Leaf Shape
broad, flat
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Allow soil to be completely dry in between waterings, Water Deeply, Water less during winter
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Neutral, Alkaline
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
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
Fertilizers
All-Purpose Liquid Fertilizer
No fertilizers needed
Pests and Diseases
Red blotch
fungus, Insects, Red blotch
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bees, Birds, Butterflies
Allergy
Pollen
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
-
Part of Plant Used
Leaves, Seeds, Wood
Whole plant
Other Uses
Used as firewood, used for making charcoal
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Alpine, Container, Edging, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
QUERCUS leucotrichophora
Erysimum franciscanum
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Franciscan wallflower, San Francisco wallflower
In Hindi
Blackjack Oak Tree
Franciscan wallflower
In German
Blackjack Oak Tree
Franziskaner Mauerblümchen
In French
Blackjack Oak Tree
wallflower franciscaine
In Spanish
Blackjack Oak Tree
alhelí franciscana
In Greek
Blackjack Oak Tree
Φραγκισκανών wallflower
In Portuguese
Blackjack Carvalho
wallflower Franciscan
In Polish
Blackjack Oak Tree
wallflower Franciszkanów
In Latin
Blackjack quercum ligno
Francisci Wallflower
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Brassicales
Family
Fagaceae
Brassicaceae
Genus
Quercus
Erysimum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
6050
1
27800
👆🏻