Life Span
Perennial
Perennial
Type
Flowering Plants
Herbs
Origin
South-Central United States
Southeastern Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Ornamental Lemongrass , Citronella, Java Citronella , East Indian Lemongrass ,
Number of Varieties
2005
0
40000
👆🏻
Habitat
Rocky areas
tropical grasslands
USDA Hardiness Zone
5-88-12
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
No Available
H1, H2, 12, 13, 16, 17, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
30.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Tan
Leaf Color in Spring
Green
Blue Green
Leaf Color in Summer
Green
Blue Green
Leaf Color in Fall
Green
Blue Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Long and slender with very sharp edges
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Very Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Divison, From bulbs
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep the Soil well drained, Water Deeply
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
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Prune in the growing season, Prune in the late winter or spring, Pruning may be required for height clearance, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Compost
Pests and Diseases
Red blotch
Pests and diseases free
Plant Tolerance
Drought
Drought, Heat And Humidity
Flowers
Showy
Showy
Flower Petal Number
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
-
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Bees
Allergy
-
lung problems if inhaled in excess, starts menstrual flow
Uses
Aesthetic Uses
Showy Purposes
Wild gardens
Beauty Benefits
-
Acne, Brightens the skin complexion, Provides herbal hair care
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Cough, High blood pressure, High cholestrol, Soothing and relieving pain, Sore throat, Stomach spasms, Vomiting
Part of Plant Used
Flowers, Leaves
extracted oil, Leaf Stalks, Leaves, Shoots
Other Uses
Showy Purposes, Used as Ornamental plant
Condiment, Oil is used in perfume, soaps, creams, etc., Used as a condiment
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Edible, Herb / Vegetable, Mixed Border, Tropical
Botanical Name
PENSTEMON cobaea
CYMBOPOGON citratus
Common Name
Beardtongue
Lemon Grass, Lemongrass
In Hindi
Beardtongue
शतवेधी
In German
Bartfaden
Zitronengräser
In French
beardtongue
Cymbopogon
In Spanish
beardtongue
Cymbopogon
In Greek
Beardtongue
lemongrass
In Portuguese
Beardtongue
Cymbopogon
In Polish
Beardtongue
Palczatka
In Latin
ursus lingua
lemongrass
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Poales
Family
Scrophulariaceae
Poaceae
Genus
Penstemon
Cymbopogon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
Andropogoneae
Subfamily
-
Panicoideae
Number of Species
26152
1
27800
👆🏻