Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
North America, Canada
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Celtis africana, Celtis australis, Celtis bungeana
Number of Varieties
20070
0
40000
👆🏻
Habitat
Rocky areas
bottomlands, limestone outcrops
USDA Hardiness Zone
5-82-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
No Available
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
30.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Purple
Leaf Color in Spring
Green
Light Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Light Yellow
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Toothed
Thorns
✔
✘
✔
✘
Plant Season
-
Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Heat Tolerance, Salt, Shade areas
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Needs 2-3 times watering per week
In Summer
Lots of watering
Average Water
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove tight V-branching crotches
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount, organic fertlizers
Pests and Diseases
Red blotch
Black sooty mold, Fungal Diseases, Powdery mildew, Red blotch, woolly aphid
Plant Tolerance
Drought
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
-
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds, Insects
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Slow downs aging
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Food for animals, Food for birds
Plant Benefits
Medicinal Uses
-
Colic, Diarrhea, Dysentry, Menstrual Disorders, Sore throat
Part of Plant Used
Flowers, Leaves
Fruits, Pulp, Seeds, Wood
Other Uses
Showy Purposes, Used as Ornamental plant
Food for animals, Used as a nutritious food item
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
PENSTEMON cobaea
CELTIS occidentalis
Common Name
Beardtongue
Common Hackberry, Hackberry
In Hindi
Beardtongue
HACKBERRY
In German
Bartfaden
Hackberry
In French
beardtongue
micocoulier
In Spanish
beardtongue
almez
In Greek
Beardtongue
hackberry
In Portuguese
Beardtongue
hackberry
In Polish
Beardtongue
hackberry
In Latin
ursus lingua
Hackberry
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Urticales
Family
Scrophulariaceae
Ulmaceae
Genus
Penstemon
Celtis
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26170
1
27800
👆🏻