Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Europe, Northern Africa, Western Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Hazelnut, Corylus
Number of Varieties
20025
0
40000
👆🏻
Habitat
Rocky areas
Lower slopes, Moist woods, Slopes
USDA Hardiness Zone
5-84-8
0
99
👆🏻
AHS Heat Zone
12-1
8-1
Sunset Zone
No Available
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm370.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Green, Brown
Leaf Color in Winter
-
-
Shape
Leaf Shape
Long linear and narrow
Cordate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Early Spring, Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Do not water frequently, Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
Showy
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
-
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
antihelmintic, Astringent, Diaphoretic, Febrifuge, Nutrients, Nutritive
Part of Plant Used
Flowers, Leaves
Seeds
Other Uses
Showy Purposes, Used as Ornamental plant
Basketary, Cosmetics, used for making charcoal
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Edible, Foundation, Fruit / Fruit Tree, Hedges, Mixed Border, Screening / Wind Break
Botanical Name
PENSTEMON cobaea
CORYLUS avellana 'Rote Zellernuss'
Common Name
Beardtongue
Common Filbert, Redleaf Filbert
In Hindi
Beardtongue
हेज़लनट
In German
Bartfaden
Haselnuss
In French
beardtongue
aveline
In Spanish
beardtongue
avellana
In Greek
Beardtongue
φουντούκι
In Portuguese
Beardtongue
avelã
In Polish
Beardtongue
leszczyna
In Latin
ursus lingua
Filbert
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Fagales
Family
Scrophulariaceae
Betulaceae
Genus
Penstemon
Corylus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26115
1
27800
👆🏻