Life Span
Annual and Perennial
Perennial
Type
Tree
Perennial, Shrub
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Northwestern United States, Canada
Types
Quercus stellata
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
Habitat
Woodland Garden Canopy
foothill woods, High elevation, Open areas, Rocky areas
USDA Hardiness Zone
5-9
4-9
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
Habit
Oval or Rounded
Mat-forming
Flower Color
Red, Light Yellow, Tan
Purple
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Dark Green
Dark Green
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
Dark Green
Leaf Color in Winter
-
Dark Green
Leaf Shape
Elliptic and Ovate
Narrow and lance shape
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Late Spring, Early Summer
Tolerances
Drought, Salt
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Needs less watering
Needs less watering, Requires regular watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
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
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
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Coarse
Fine
Foliage Sheen
Glossy
Glossy
Attracts
Birds
Hummingbirds, Butterflies
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Environmental Uses
Air purification
Air purification, Wildlife
Medicinal Uses
Astringent, Emetic, Febrifuge, Tonic
Recovering internal injuries, Wounds
Part of Plant Used
Leaves, Seeds, Wood
Flowers
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Container, Used as Ornamental plant, Veterinarian uses
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees, Street Trees
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS stellata
PENSTEMON fruticosus 'Purple Haze'
Common Name
Post Oak
Bush Penstemon, Shrubby Penstemon
In Hindi
पोस्ट ओक
Bush Penstemon
In German
Post oak
Bush Penstemon
In French
Post oak
Bush Penstemon
In Spanish
Post oak
Bush Penstemon
In Greek
Post Oak
Μπους Penstemon
In Portuguese
Post Oak
Bush, Penstemon
In Polish
post Oak
Bush Penstemon
In Latin
Post quercu
Persicaria Bush
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Fagaceae
Scrophulariaceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Season and Care of Post Oak and Bush Penstemon
Season and care of Post Oak and Bush Penstemon is important to know. While considering everything about Post Oak and Bush Penstemon Care, growing season is an essential factor. Post Oak season is Spring, Summer and Fall and Bush Penstemon season is Spring, Summer and Fall. The type of soil for Post Oak is Clay, Loam, Sand and for Bush Penstemon is Loam, Sand while the PH of soil for Post Oak is Acidic, Neutral, Alkaline and for Bush Penstemon is Acidic, Neutral.
Post Oak and Bush Penstemon Physical Information
Post Oak and Bush Penstemon physical information is very important for comparison. Post Oak height is 1,830.00 cm and width 1,680.00 cm whereas Bush Penstemon height is 45.72 cm and width 40.64 cm. The color specification of Post Oak and Bush Penstemon are as follows:
Post Oak flower color: Red, Light Yellow and Tan
Post Oak leaf color: Dark Green
Bush Penstemon flower color: Purple
- Bush Penstemon leaf color: Dark Green
Care of Post Oak and Bush Penstemon
Care of Post Oak and Bush Penstemon include pruning, fertilizers, watering etc. Post Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Bush Penstemon pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Post Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Bush Penstemon needs Lots of watering and in winter, it needs Average Water.