Life Span
Perennial
Annual
Type
Flowering Plants
Tender Perennial
Origin
South-Central United States
Southeastern Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Eddoe taro, Dasheen taro
Number of Varieties
200200
0
40000
👆🏻
Habitat
Rocky areas
agricultural areas, Hillside, Warm and moist climatic conditions
USDA Hardiness Zone
5-810-11
0
99
👆🏻
AHS Heat Zone
12-1
12-8
Sunset Zone
No Available
H1, H2, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
30.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Green
Flower Color Modifier
Bicolor
-
Fruit Color
-
Red
Leaf Color in Spring
Green
Dark Green, Ivory
Leaf Color in Summer
Green
Dark Green, Ivory
Leaf Color in Fall
Green
Dark Green, Ivory
Leaf Color in Winter
-
Dark Green, Ivory
Shape
Leaf Shape
Long linear and narrow
V-Shaped
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Heat Tolerance, Humidity, Salt and Soil Compaction, Shallow soil
Where to Plant?
Ground
Container
How to Plant?
From bulbs
From Rhizomes
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Needs 2-3 times watering per week, Needs a lot of water initially
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
Well drained
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves
-
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Less fertilizing
Pests and Diseases
Red blotch
Aphids, Rats, Snails
Plant Tolerance
Drought
Heat Tolerance, Salt and Soil Compaction, Shade areas
Flowers
Showy
Insignificant
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
Bold
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Aphids, Bugs, Snails
Allergy
-
Swelling in mouth, Throat itching
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
Poison Ivy, Skin cleanser, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
No fertilizer, pesticides, or herbicides needed, Prevent weeds
Plant Benefits
Medicinal Uses
-
Aging, Laxative, Weight loss
Part of Plant Used
Flowers, Leaves
Leaf Stalks, Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Feature Plant, Groundcover, Houseplant, Mixed Border, Tropical
Botanical Name
PENSTEMON cobaea
ALOCASIA micholitziana
Common Name
Beardtongue
Elephant Ear, Taro
In Hindi
Beardtongue
अरवी
In German
Bartfaden
Colocasia (Pflanzengattung)
In French
beardtongue
Colocasia
In Spanish
beardtongue
Colocasia
In Greek
Beardtongue
Colocasia
In Portuguese
Beardtongue
Colocasia
In Polish
Beardtongue
Kolokazja
In Latin
ursus lingua
Colocasia
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Arales
Family
Scrophulariaceae
Araceae
Genus
Penstemon
Alocasia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
Colocasiodeae
Subfamily
-
Aroideae
Number of Species
26110
1
27800
👆🏻