Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
United States, California
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Habitat
Rocky areas
Woodland Garden Canopy
USDA Hardiness Zone
5-8
6-9
Sunset Zone
No Available
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Flower Color
White, Purple
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Yellow, Orange, Pink
Leaf Shape
Long linear and narrow
Irregular
Plant Season
-
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
The pH of Soil
Neutral, Alkaline
-
Soil Drainage
Well drained
-
Bloom Time
Late Spring
Spring
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral, Alkaline
-
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Medium
Medium
Attracts
Hummingbirds, Butterflies
Birds
Aesthetic Uses
Showy Purposes
Borders
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Medicinal Uses
-
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Flowers, Leaves
Leaves, Seeds, Wood
Other Uses
Showy Purposes, Used as Ornamental plant
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
PENSTEMON cobaea
QUERCUS douglasii
Common Name
Beardtongue
Blue Oak
In Hindi
Beardtongue
Blue Oak Tree
In German
Bartfaden
Blaue Eiche
In French
beardtongue
Bleu Oak Tree
In Spanish
beardtongue
Azul del árbol de roble
In Greek
Beardtongue
Μπλε Oak Tree
In Portuguese
Beardtongue
Carvalho azul
In Polish
Beardtongue
Niebieski Oak Tree
In Latin
ursus lingua
Blue quercum ligno
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Family
Scrophulariaceae
Fagaceae
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Difference Between Beardtongue and Blue Oak
If you are confused whether Beardtongue or Blue Oak are same, here are some features about those plants to help you choose better. Many people think that these two plants have the same characteristics, but one can see Beardtongue and Blue Oak Information and learn more about it. Fertilizers required for proper growth of Beardtongue are All-Purpose Liquid Fertilizer, whereas for Blue Oak fertilizers required are All-Purpose Liquid Fertilizer. Hence, one should know the basic difference between Beardtongue and Blue Oak if you are planning to have them in your garden to enhance its beauty.
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Flowering PlantsImportance of Beardtongue and Blue Oak
Want to have the most appropriate plant for your garden? You might want to know the importance of Beardtongue and Blue Oak. Basically, these two plants vary in many aspects. Compare Beardtongue and Blue Oak as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Beardtongue is whereas of Blue Oak is Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes and Sore throat. Beardtongue has beauty benefits as follows: while Blue Oak has beauty benefits as follows: .
Compare Facts of Beardtongue vs Blue Oak
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Beardtongue vs Blue Oak and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Beardtongue are whereas of Blue Oak have Pollen respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Beardtongue has no showy fruits and Blue Oak has showy fruits. Also Beardtongue is not flowering and Blue Oak is not flowering . You can compare Beardtongue and Blue Oak facts and facts of other plants too.