Life Span
Perennial
Perennial
Type
Herbs
Flowering Plants
Origin
Southwestern United States, Central America, South America, Brazil
South-Central United States
Types
-
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
1200
0
40000
👆🏻
Habitat
Mountain Slopes, Mountains, tropical grasslands
Rocky areas
USDA Hardiness Zone
-99995-8
0
99
👆🏻
AHS Heat Zone
12-7
12-1
Sunset Zone
H1, H2, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
No Available
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
45.70 cm30.00 cm
0
3900
👆🏻
Minimum Width
40.60 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Even Pinnate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Summer, Late Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, root cutting
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs very little water, Over-watering can cause leaf problems or root diseases
Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Cut away fading foliage, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves
Fertilizers
Does not require fertilizer once established
All-Purpose Liquid Fertilizer
Pests and Diseases
Bacterial fruit blotch, Damping off, Fusarium wilt, Red blotch, Root rot, Septoria leaf spot, Southern blight
Red blotch
Plant Tolerance
Drought, Variety of soil types
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies
Hummingbirds, Butterflies
Allergy
Asthma, Skin irritation, Skin rash
-
Uses
Aesthetic Uses
Cottage Garden, Ornamental use
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Hypoglycaemic
-
Part of Plant Used
Leaves
Flowers, Leaves
Other Uses
-
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Edible, Herb / Vegetable, Houseplant, Tropical
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
STEVIA rebaudiana
PENSTEMON cobaea
Common Name
Candyleaf, Stevia, Sweetleaf
Beardtongue
In Hindi
Stevia
Beardtongue
In German
Stevia
Bartfaden
In French
Stevia
beardtongue
In Spanish
Stevia
beardtongue
In Greek
Stevia
Beardtongue
In Portuguese
Stevia
Beardtongue
In Polish
Stewia
Beardtongue
In Latin
Stevia
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Asterales
Lamiales
Family
Asteraceae
Scrophulariaceae
Genus
Stevia
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Eupatorieae
-
Subfamily
-
-
Number of Species
240261
1
27800
👆🏻