Life Span
Perennial
Annual and Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Australia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Eucalyptus crebra, Eucalyptus sideroxylon
Number of Varieties
2004
0
40000
👆🏻
Habitat
Rocky areas
gardens, Mountain tops, Open Forest, Roadsides, Tropical regions, Woodlands
USDA Hardiness Zone
5-89-11
0
99
👆🏻
AHS Heat Zone
12-1
12-3
Sunset Zone
No Available
H1, H2, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Pink, Rose
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Light Pink
Leaf Color in Spring
Green
Gray Green
Leaf Color in Summer
Green
Gray Green
Leaf Color in Fall
Green
Gray Green
Leaf Color in Winter
-
Gray Green
Shape
Leaf Shape
Long linear and narrow
Oblong
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Early Spring, Spring, Late Spring, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Requires watering in the growing season, Use Mulches to help prevent water loss during hot and windy weather, Water Deeply
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, Alkaline
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
Remove dead leaves, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Pests and diseases free
Plant Tolerance
Drought
Drought, Pollution and Soil Compaction, Salt
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
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Hummingbirds
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Cold
Part of Plant Used
Flowers, Leaves
Bark, Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Medicinal oil, Used as firewood, Wood is used for making furniture, Wood is used for ship building
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Screening / Wind Break, Shade Trees
Botanical Name
PENSTEMON cobaea
EUCALYPTUS sideroxylon
Common Name
Beardtongue
Ironbark
In Hindi
Beardtongue
Ironbark
In German
Bartfaden
Ironbark
In French
beardtongue
Ironbark
In Spanish
beardtongue
Ironbark
In Greek
Beardtongue
Ironbark
In Portuguese
Beardtongue
Ironbark
In Polish
Beardtongue
Ironbark
In Latin
ursus lingua
Ironbark
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Equisetopsida
-
Order
Lamiales
Myrtales
Family
Scrophulariaceae
Myrtaceae
Genus
Penstemon
Eucalyptus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Eucalypteae
Subfamily
-
Myrtoideae
Number of Species
261700
1
27800
👆🏻