Life Span
Perennial
Perennial
Type
Flowering Plants
Palm or Cycad
Origin
North-Central United States, Central United States, Western United States, Texas
United States, Southeastern United States
Types
Blue Toadflax, Old-Field Toadflax
Rhapidophyllum hystrix
Number of Varieties
3015
0
40000
👆🏻
Habitat
Cultivated Beds
Cold Regions, Subtropical climates
USDA Hardiness Zone
3-96-10
0
99
👆🏻
AHS Heat Zone
9-1
12-6
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
H1, H2, 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
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
61.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
White, Light Yellow, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Dark Red, Brown, Sienna
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Blue Green, Gray Green
Dark Green
Leaf Color in Fall
Blue Green, Gray Green
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Oval to egg shaped
Needle like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade, Full Shade
Growth Rate
Fast
Very Slow
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Drought, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Needs small amount of 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
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Partial Sun, Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
use all-purpose fertilizers
All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Foliar disease, Root rot, Spider mites
Red blotch
Plant Tolerance
Drought
Cold climate, Frost
Flowers
Showy
Insignificant
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Rabbits, Small mammals
Allergy
Depression, High blood cholestrol, Pain
drowsiness, Scratches
Uses
Aesthetic Uses
Showy Purposes
bank hedging, Ornamental use
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Ethnobotanic
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Aging, Frostbite
Part of Plant Used
Leaves, Root
Leaves
Other Uses
-
Application in Handicrafts, Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Foundation, Mixed Border, Tropical
Botanical Name
PENSTEMON grandiflorus
RHAPIDOPHYLLUM hystrix
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Needle Palm, Porcupine plant
In Hindi
Wild Snapdragon
सुई ताड़
In German
Wilde Snapdragon
Nadel -Palme
In French
Snapdragon sauvage
palmier aiguille
In Spanish
Salvaje Snapdragon
palmera aguja
In Greek
άγρια Snapdragon
βελόνα φοίνικα
In Portuguese
Selvagem Snapdragon
palmeira agulha
In Polish
Dziki Snapdragon
Igła palma
In Latin
Phlox Ferae
acus palma
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Arecales
Family
Scrophulariaceae
Arecaceae
Genus
Penstemon
Rhapidophyllum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Corypheae
Subfamily
Scrophularioideae
Coryphoideae
Number of Species
4010
1
27800
👆🏻