Life Span
Perennial
Perennial
Type
Herbs
Flowering Plants
Origin
Southwestern United States, Central America, South America, Brazil
North-Central United States, Central United States, Western United States, Texas
Types
-
Blue Toadflax, Old-Field Toadflax
Number of Varieties
130
0
40000
👆🏻
Habitat
Mountain Slopes, Mountains, tropical grasslands
Cultivated Beds
USDA Hardiness Zone
-99993-9
0
99
👆🏻
AHS Heat Zone
12-7
9-1
Sunset Zone
H1, H2, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
45.70 cm61.00 cm
0
3900
👆🏻
Minimum Width
40.60 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Dark Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Dark Green
Blue Green, Gray Green
Leaf Color in Fall
Dark Green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Even Pinnate
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Summer, Late Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, root cutting
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs very little water, Over-watering can cause leaf problems or root diseases
Average Water Needs, Do Not over Water
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
Clay, 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, Remove dead branches, Remove dead leaves
Fertilizers
Does not require fertilizer once established
use all-purpose fertilizers
Pests and Diseases
Bacterial fruit blotch, Damping off, Fusarium wilt, Red blotch, Root rot, Septoria leaf spot, Southern blight
Foliar disease, Root rot, Spider mites
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
Bumblebees
Allergy
Asthma, Skin irritation, Skin rash
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Cottage Garden, Ornamental use
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Hypoglycaemic
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Leaves
Leaves, Root
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Container, Edible, Herb / Vegetable, Houseplant, Tropical
Rock Garden / Wall, Wildflower
Botanical Name
STEVIA rebaudiana
PENSTEMON grandiflorus
Common Name
Candyleaf, Stevia, Sweetleaf
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Stevia
Wild Snapdragon
In German
Stevia
Wilde Snapdragon
In French
Stevia
Snapdragon sauvage
In Spanish
Stevia
Salvaje Snapdragon
In Greek
Stevia
άγρια Snapdragon
In Portuguese
Stevia
Selvagem Snapdragon
In Polish
Stewia
Dziki Snapdragon
In Latin
Stevia
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Scrophulariales
Family
Asteraceae
Scrophulariaceae
Genus
Stevia
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Eupatorieae
-
Subfamily
-
Scrophularioideae
Number of Species
24040
1
27800
👆🏻