Life Span
Perennial
Annual and Perennial
Origin
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
Blue ash, Single-leaf ash, Fragrant ash
Quercus stellata
Habitat
Moist Soils
Woodland Garden Canopy
USDA Hardiness Zone
3-7
5-9
Sunset Zone
-
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Flower Color
Green, Purple
Red, Light Yellow, Tan
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Yellow, Yellow green, Brown, Bronze
Orange, Tan, Bronze, Orange Red
Leaf Shape
Pinnate
Elliptic and Ovate
Plant Season
Spring, Summer
Spring, Summer, Fall
Sunlight
Full Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring
Spring
Tolerances
Wet Site
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Wet Site
Drought
Flowers
Insignificant
Insignificant
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Aesthetic Uses
Showy Purposes
Showy Purposes
Edible Uses
Insignificant
Yes
Environmental Uses
Air purification, Nesting sites for birds, Wildlife, Windbreak
Air purification
Medicinal Uses
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Astringent, Emetic, Febrifuge, Tonic
Part of Plant Used
Inner Bark, Leaves, Tree trunks
Leaves, Seeds, Wood
Other Uses
Basketary, Used as a dye, Used as fuel, Used for woodware
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Shade Trees, Water Gardens
Feature Plant, Shade Trees, Street Trees
Botanical Name
FRAXINUS nigra
QUERCUS stellata
Common Name
Black Ash, Brown Ash, Swamp Ash
Post Oak
In Hindi
Black Ash plant
पोस्ट ओक
In German
Black Ash Pflanze
Post oak
In French
plante Black Ash
Post oak
In Spanish
planta de negro de Ceniza
Post oak
In Greek
φυτό μαύρη τέφρα
Post Oak
In Portuguese
planta Black Ash
Post Oak
In Polish
Black Ash roślin
post Oak
In Latin
Black ash herba
Post quercu
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Season and Care of Black Ash and Post Oak
Season and care of Black Ash and Post Oak is important to know. While considering everything about Black Ash and Post Oak Care, growing season is an essential factor. Black Ash season is Spring and Summer and Post Oak season is Spring and Summer. The type of soil for Black Ash is Clay, Loam, Sand and for Post Oak is Clay, Loam, Sand while the PH of soil for Black Ash is Acidic, Neutral and for Post Oak is Acidic, Neutral, Alkaline.
Black Ash and Post Oak Physical Information
Black Ash and Post Oak physical information is very important for comparison. Black Ash height is 1,220.00 cm and width 610.00 cm whereas Post Oak height is 1,830.00 cm and width 1,680.00 cm. The color specification of Black Ash and Post Oak are as follows:
Black Ash flower color: Green and Purple
Black Ash leaf color: Green and Dark Green
Post Oak flower color: Red, Light Yellow and Tan
- Post Oak leaf color: Dark Green
Care of Black Ash and Post Oak
Care of Black Ash and Post Oak include pruning, fertilizers, watering etc. Black Ash pruning is done 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 and Remove short twigs and Post Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Black Ash needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Post Oak needs Lots of watering and in winter, it needs Average Water.