Life Span
Perennial
Perennial
Type
Epiphyte
Flowering Plants
Origin
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
North-Central United States, Central United States, Western United States, Texas
Types
-
Blue Toadflax, Old-Field Toadflax
Number of Varieties
330
0
40000
👆🏻
Habitat
Swamps
Cultivated Beds
USDA Hardiness Zone
10-133-9
0
99
👆🏻
AHS Heat Zone
12-9
9-1
Sunset Zone
H1, H2, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.50 cm61.00 cm
0
3900
👆🏻
Minimum Width
25.60 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Pink, Light Blue, Lavender
Flower Color Modifier
Multi-Color
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green
Blue Green, Gray Green
Leaf Color in Fall
Green
Blue Green, Gray Green
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Long Linear
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
-
Clay, Loam
The pH of Soil
Neutral, Slightly Acidic
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Bulbs, By dividing rhizomes, tubers, Divison
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
Neutral, Slightly Acidic
Neutral, Alkaline
Soil Type
-
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
use all-purpose fertilizers
Pests and Diseases
Red blotch
Foliar disease, Root rot, Spider mites
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
Coarse
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, pollinators
Bumblebees
Allergy
-
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Bouquets, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Cancer, Eye Problems
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Bulbs, Flowers, Leaves
Leaves, Root
Other Uses
Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Houseplant, Mixed Border
Rock Garden / Wall, Wildflower
Botanical Name
PROSTHECHEA cochleata
PENSTEMON grandiflorus
Common Name
Clamshell Orchid, Cockleshell Orchid, Black Orchid
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Clamshell Orchid
Wild Snapdragon
In German
Clamshell Orchid
Wilde Snapdragon
In French
Clamshell Orchid
Snapdragon sauvage
In Spanish
Clamshell Orchid
Salvaje Snapdragon
In Greek
Encyclia Cochleata
άγρια Snapdragon
In Portuguese
Clamshell Orchid
Selvagem Snapdragon
In Polish
Clamshell Orchid
Dziki Snapdragon
In Latin
Clamshell Orchid
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Orchidales
Scrophulariales
Family
Orchidaceae
Scrophulariaceae
Genus
Prosthechea
Penstemon
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Epidendreae
-
Subfamily
Epidendroideae
Scrophularioideae
Number of Species
5040
1
27800
👆🏻