Life Span
Perennial
Perennial
Type
Flowering Plants
Fruit
Origin
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
Southern Asia, India, Melanesia, Australia
Types
Penstemon
etrog
Number of Varieties
155
0
40000
👆🏻
Habitat
Fields, open Woodlands, Wood Margins
Mediterranean region, Subtropical climates, Tropical regions
USDA Hardiness Zone
3-89-11
0
99
👆🏻
AHS Heat Zone
8-1
12-9
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
60.00 cm240.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Yellow
Leaf Color in Spring
Dark Red
Green, Dark Green
Leaf Color in Summer
Dark Red
Green, Dark Green
Leaf Color in Fall
Dark Red
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lance-shaped to oblong
Ovate elongated
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring, Winter, Late Winter, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Seedlings, Softwood cuttings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
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
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
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
Complete balanced fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Leaf spot, Root rot
Aphids, Citrus foot rot, Leafminers, Red blotch
Plant Tolerance
Drought
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
Birds, Hummingbirds, Butterflies
Birds, Butterflies
Allergy
Mild Allergen
Mild Allergen
Uses
Aesthetic Uses
Borders, Wild gardens
Showy Purposes
Beauty Benefits
-
Brightens the skin complexion, Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Tooth ache
Antibiotic, Antidote, Pulmonary afflictions, Recovering internal injuries
Part of Plant Used
Root
Fruits, Leaves
Other Uses
Showy Purposes
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Container, Edible, Feature Plant, Fruit / Fruit Tree, Hedges, Houseplant, Shade Trees, Topiary / Bonsai / Espalier, Tropical
Botanical Name
PENSTEMON digitalis 'Husker Red'
CITRUS medica
Common Name
Husker Red Penstemon, Talus Slope Penstemon
Citron
In Hindi
Talus Slope Penstemon
नीबू
In German
Gehängeschutt Penstemon
Zitrone
In French
Talus Slope Penstemon
Citron
In Spanish
Astrágalo pendiente Penstemon
Cidra
In Greek
Αστράγαλος Κλίση Penstemon
Κίτρο
In Portuguese
Talus Penstemon Slope
cidra
In Polish
Talus Slope Penstemon
Cytryna
In Latin
Talus Clivo Persicaria
Chron
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Sapindales
Family
Scrophulariaceae
Rutaceae
Genus
Penstemon
Citrus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Citreae
Subfamily
-
Aurantioideae
Number of Species
2807
1
27800
👆🏻