Life Span
Perennial
Perennial
Type
Epiphyte
Flowering Plants
Origin
Eastern Asia, Southern Asia, Southeastern Asia, India, Nepal, China
North-Central United States, Central United States, Western United States, Texas
Types
Dendrobium nobile
Blue Toadflax, Old-Field Toadflax
Number of Varieties
100030
0
40000
👆🏻
Habitat
Deciduous forests, Woodlands
Cultivated Beds
USDA Hardiness Zone
11-123-9
0
99
👆🏻
AHS Heat Zone
12-1
9-1
Sunset Zone
24
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
25.40 cm61.00 cm
0
3900
👆🏻
Minimum Width
15.20 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Pink, Burgundy, Dark Red, Ivory
Pink, Light Blue, Lavender
Flower Color Modifier
Multi-Color
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green
Blue Green, Gray Green
Leaf Color in Fall
Green
Blue Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Lance shaped
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
-
Clay, Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter, Indeterminate
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Cold climate
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Cuttings, From bulbs, Rhizome division
Cuttings, Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Keep ground moist, Requires watering in the growing season
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
-
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut leaves after fall, Prune in flowering season
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Fertilize in early to mid-summer, Fertilzer with low nitrogen content
use all-purpose fertilizers
Pests and Diseases
Red spider mite, Watery soft rot
Foliar disease, Root rot, Spider mites
Plant Tolerance
Cold climate
Drought
Flowers
✔
✘
✔
✘
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
-
Bumblebees
Allergy
convulsions, Dermatitis, Toxic
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Beautification, Decorating walls, Hanging Basket, Used as an interior landscaping species, Used for decorating walls, fences, gates, hedges, etc.
Showy Purposes
Beauty Benefits
Glowing Skin, Perfumes, Provides herbal hair care, Skin cleanser
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Food for animals, Food for birds
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Antipyretic, Diabetes, Digestion problems, Eye Problems, Gallbladder Diseases, Liver Protection
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Whole plant
Leaves, Root
Other Uses
For making oil for cosmetics, Use in Chinese herbology, Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Hanging Basket, Houseplant, Rock Garden / Wall, Tropical
Rock Garden / Wall, Wildflower
Botanical Name
DENDROBIUM nobile
PENSTEMON grandiflorus
Common Name
Dendrobium, Noble Dendrobium, Sentinel Orchid
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Noble Dendrobium
Wild Snapdragon
In German
Noble Dendrobium
Wilde Snapdragon
In French
Dendrobium nobile
Snapdragon sauvage
In Spanish
Dendrobium nobile
Salvaje Snapdragon
In Greek
Dendrobium nobile
άγρια Snapdragon
In Portuguese
Nobile Dendrobium
Selvagem Snapdragon
In Polish
Dendrobium szlachetne
Dziki Snapdragon
In Latin
Nobile Dendrobium
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Asparagales
Scrophulariales
Family
Orchidaceae
Scrophulariaceae
Genus
Dendrobium
Penstemon
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Dendrobieae
-
Subfamily
Epidendroideae
Scrophularioideae
Number of Species
120040
1
27800
👆🏻