Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Texas, Canada
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Juglans nigra
Number of Varieties
20010
0
40000
👆🏻
Habitat
Rocky areas
bottomlands, Moist woods
USDA Hardiness Zone
5-84-9
0
99
👆🏻
AHS Heat Zone
12-1
9-3
Sunset Zone
No Available
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,830.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,830.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Chocolate
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Dark Green, Yellow green, Gold
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, Requires regular watering
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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Prune in early spring, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Apply NPK fertilizer at the ratio of 6-24-24
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
-
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds, Butterflies
Allergy
-
Anaphylaxis, Toxic
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
-
Cancer, Coronary diseases, Cures constipation, Diarrhea, Diphtheria, High cholestrol, Immunity, Intestinal worms, Leukemia, Skin wounds, Sore throat, Syphilis, Use as a gargle
Part of Plant Used
Flowers, Leaves
Fruits
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
Feature Plant, Shade Trees
Botanical Name
PENSTEMON cobaea
JUGLANS nigra
Common Name
Beardtongue
Black Walnut
In Hindi
Beardtongue
काले अखरोट के पेड़
In German
Bartfaden
Schwarz Walnussbaum
In French
beardtongue
Noir noyer
In Spanish
beardtongue
nogal negro
In Greek
Beardtongue
Μαύρη καρυδιά
In Portuguese
Beardtongue
nogueira preta
In Polish
Beardtongue
Czarny orzech drzewo
In Latin
ursus lingua
Niger walnut tree
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Juglandales
Family
Scrophulariaceae
Juglandaceae
Genus
Penstemon
Juglans
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandinae
Number of Species
26116
1
27800
👆🏻