Life Span
Perennial
Perennial
Type
Flowering Plants
Fruit
Origin
South-Central United States
Southeastern Asia, Japan
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Clementines, dancy, fallglo, lee
Number of Varieties
20050
0
40000
👆🏻
Habitat
Rocky areas
Subtropical climates, Tropical regions
USDA Hardiness Zone
5-88-11
0
99
👆🏻
AHS Heat Zone
12-1
10-8
Sunset Zone
No Available
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Red, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Orange
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Lance shaped
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, occasional watering once established, Water more in summer
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
Loam, Sand
Soil Drainage Capacity
Well drained
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, Requires little pruning
Fertilizers
All-Purpose Liquid Fertilizer
20-10-10, All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Aphids, Beetles, Earwigs, Leafminers, Red blotch
Plant Tolerance
Drought
Cold climate, Drought
Flowers
Showy
Showy
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Beetles, Birds, Butterflies, Insects, Leaf Hoppers, Rabbits
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Glowing Skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Aging, Antioxidants, High blood pressure, High cholestrol, Skin Disorders
Part of Plant Used
Flowers, Leaves
Fruits
Other Uses
Showy Purposes, Used as Ornamental plant
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
PENSTEMON cobaea
CITRUS reticulata 'Armstrong'
Common Name
Beardtongue
Armstrong Tangerine, Tangerine
In Hindi
Beardtongue
संतरा
In German
Bartfaden
Mandarine
In French
beardtongue
mandarine
In Spanish
beardtongue
mandarina
In Greek
Beardtongue
μανταρίνι
In Portuguese
Beardtongue
tangerina
In Polish
Beardtongue
mandarynka
In Latin
ursus lingua
Tangerine
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Sapindales
Family
Scrophulariaceae
Rutaceae
Genus
Penstemon
Citrus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26120
1
27800
👆🏻