Life Span
Perennial
Perennial
Type
Grass
Flowering Plants
Origin
North America, Canada, Mexico
North-Central United States, Central United States, Western United States, Texas
Types
Panicum abscissum, Panicum acostia, Panicum amarum
Blue Toadflax, Old-Field Toadflax
Number of Varieties
3830
0
40000
👆🏻
Habitat
Prairies
Cultivated Beds
USDA Hardiness Zone
4-93-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
150.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Light Green, Blue Green, Gray Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Light Green
Blue Green, Gray Green
Leaf Color in Fall
Red, Green, Orange, Blue Green, Gray Green, Bronze
Blue Green, Gray Green
Leaf Color in Winter
Tan, Sandy Brown
-
Shape
Leaf Shape
Grass like
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Divison, Root Division
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
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, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in spring, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Nitrogen
use all-purpose fertilizers
Pests and Diseases
Red blotch
Foliar disease, Root rot, Spider mites
Plant Tolerance
Pollution, Soil Compaction
Drought
Flowers
✔
✘
✔
✘
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Wildlife
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Provides ground cover, soil erosion prevension on hill slopes
Air purification
Plant Benefits
Medicinal Uses
-
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Leaves
Leaves, Root
Other Uses
Cattle Fodder, Used as Biofuel
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border
Rock Garden / Wall, Wildflower
Botanical Name
PANICUM virgatum
PENSTEMON grandiflorus
Common Name
Switchgrass
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Switchgrass
Wild Snapdragon
In German
Switchgrass
Wilde Snapdragon
In French
switchgrass
Snapdragon sauvage
In Spanish
switchgrass
Salvaje Snapdragon
In Greek
switchgrass
άγρια Snapdragon
In Portuguese
switchgrass
Selvagem Snapdragon
In Polish
switchgrass
Dziki Snapdragon
In Latin
switchgrass
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Scrophulariales
Family
Poaceae
Scrophulariaceae
Genus
Panicum
Penstemon
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Paniceae
-
Subfamily
Panicoideae
Scrophularioideae
Number of Species
45040
1
27800
👆🏻