Life Span
Biennial
Annual
Type
Tree
Flowering Plants, Shrubs
Origin
Central United States, Canada
America
Types
Two-petal ash, Single-leaf ash, Fragrant ash
Lobelia aberdarica, Lobelia leschenaultiana, Lobelia canbyi
Number of Varieties
65415
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
Open areas, River side, Woods
USDA Hardiness Zone
4-84-9
0
99
👆🏻
AHS Heat Zone
8-4
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
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
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
2,500.00 cm0.54 cm
0
3900
👆🏻
Minimum Width
100.00 cm0.38 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
Blue, Red, Violet, White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
-
Leaf Color in Spring
Green
Dark Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Yellow, Light Yellow
Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Pinnate
Cushion
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Fall, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam
Well drained
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Early Fall, Early Summer, Late Summer, Mid fall, Mid Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Transplanting
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
Neutral, Alkaline
Acidic
Soil Type
Clay, Loam
Well drained
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
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
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Hummingbirds
Allergy
-
coma, convulsions, Diarrhea, exhaustion, Nausea, salivation, Vomiting, weakness
Uses
Aesthetic Uses
-
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
-
Asthma, Bronchitis, Croup
Part of Plant Used
Inner Bark, Seeds
Leaves, Seeds
Other Uses
Used as a dye, Used for woodware, Wood is used in construction
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Bedding Plant, Bog Garden, Edging, Foundation, Hanging Basket, Houseplant, Mixed Border, Rock Garden / Wall
Botanical Name
FRAXINUS quadrangulata
Lobelia laxiflora
Common Name
Blue Ash
Lobelia
In Hindi
Blue Ash plant
Lobelia
In German
Blue Ash Pflanze
Lobelie
In French
usine Blue Ash
Lobelia
In Spanish
planta de Blue Ash
Lobelia
In Greek
φυτό Blue Ash
λοβηλία
In Portuguese
planta Blue Ash
Lobélia
In Polish
Blue Ash roślin
Lobelia
In Latin
Blue Ash herba
Lobelia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Anthophyta
Class
Magnoliopsida
Dicotyledonae
Order
Scrophulariales
Asterales
Family
Oleaceae
Campanulaceae
Genus
Fraxinus
Lobelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Oleeae
-
Subfamily
-
Lobelioideae
Number of Species
65415
1
27800
👆🏻