Life Span
Perennial
Perennial
Type
Flowering Plants
Shrub
Origin
South-Central United States
Southwestern United States, Mexico
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Yucca aloifolia 'Purpurea' , Yucca aloifolia
Number of Varieties
2001
0
40000
👆🏻
Habitat
Rocky areas
coastal environs, Coastal sand dunes, mild coastal areas
USDA Hardiness Zone
5-87-9
0
99
👆🏻
AHS Heat Zone
12-1
9-7
Sunset Zone
No Available
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
Rosette/Stemless
Plant Size
Minimum Height
30.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
30.50 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Pink, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Green, Gray Green, Dark Green
Leaf Color in Summer
Green
Green, Gray Green, Dark Green
Leaf Color in Fall
Green
Green, Gray Green
Leaf Color in Winter
-
Green, Gray Green, Dark Green
Shape
Leaf Shape
Long linear and narrow
long with sharp edges
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Very Slow
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Cuttings, Divison
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep the Soil well drained, Needs very little water
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
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full 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
Leaf spot, Scale
Plant Tolerance
Drought
Drought, 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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Borders, Cottage Garden, Wild gardens, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
-
Other Uses
Showy Purposes, Used as Ornamental plant
Beneficial species for attracting pollinators
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Rock Garden, Wall, Wildflower
Botanical Name
PENSTEMON cobaea
YUCCA harrimaniae
Common Name
Beardtongue
mound lily
In Hindi
Beardtongue
palm lily
In German
Bartfaden
palm lily
In French
beardtongue
palm lily
In Spanish
beardtongue
palm lily
In Greek
Beardtongue
palm lily
In Portuguese
Beardtongue
palm lily
In Polish
Beardtongue
palm lily
In Latin
ursus lingua
palm lily
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Liliales
Family
Scrophulariaceae
Agavaceae
Genus
Penstemon
Yucca
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Agavoideae
Number of Species
26115
1
27800
👆🏻