Life Span
Annual and Perennial
Perennial
Type
Tender Perennial
Tree
Origin
Southern Europe, Mediterranean
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Types
Erysimum franciscanum
Blue ash, Single-leaf ash, Fragrant ash
Number of Varieties
5045
0
40000
👆🏻
Habitat
gardens, Grassland, Prairies
Moist Soils
USDA Hardiness Zone
7-93-7
0
99
👆🏻
AHS Heat Zone
9-7
7-1
Sunset Zone
4, 5, 6, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
-
Habit
Mat-forming
Upright/Erect
Plant Size
Minimum Height
30.50 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pale White, Pale Yellow, Yellow, Yellow green
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green
Green, Tan
Leaf Color in Spring
Gray Green
Green, Dark Green
Leaf Color in Summer
Gray Green
Dark Green
Leaf Color in Fall
Gray Green
Yellow, Yellow green, Brown, Bronze
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Summer, Summer, Late Summer, Early Fall
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
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
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full 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
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer
Pests and Diseases
fungus, Insects, Red blotch
Red blotch
Plant Tolerance
Drought
Wet Site
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Birds, Butterflies
Birds
Allergy
Skin irritation
-
Uses
Aesthetic Uses
Beautification, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
-
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Part of Plant Used
Whole plant
Inner Bark, Leaves, Tree trunks
Other Uses
Showy Purposes
Basketary, Used as a dye, 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
Shade Trees, Water Gardens
Botanical Name
Erysimum franciscanum
FRAXINUS nigra
Common Name
Franciscan wallflower, San Francisco wallflower
Black Ash, Brown Ash, Swamp Ash
In Hindi
Franciscan wallflower
Black Ash plant
In German
Franziskaner Mauerblümchen
Black Ash Pflanze
In French
wallflower franciscaine
plante Black Ash
In Spanish
alhelí franciscana
planta de negro de Ceniza
In Greek
Φραγκισκανών wallflower
φυτό μαύρη τέφρα
In Portuguese
wallflower Franciscan
planta Black Ash
In Polish
wallflower Franciszkanów
Black Ash roślin
In Latin
Francisci Wallflower
Black ash herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Brassicales
Scrophulariales
Family
Brassicaceae
Oleaceae
Genus
Erysimum
Fraxinus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
-
-
Number of Species
5018
1
27800
👆🏻