Life Span
Perennial
Perennial
Type
Flowering Plants
Broadleaf Evergreen
Origin
Southwestern United States, California
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Habitat
Dry areas, meadows
Cold Regions, stream banks
USDA Hardiness Zone
4-9
6-11
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
21,22
Habit
Clump-Forming
Upright/Erect
Flower Color
Crimson
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Plant Season
Summer
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer, Summer
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Stem Planting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Requirements
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Insects
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flower Petal Number
Single
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Glossy
Attracts
Hummingbirds
Ants, Butterflies, pollinators
Allergy
Asthma
Antibacterial, Peripheral Edema
Aesthetic Uses
Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Medicinal Uses
Burns, Snakebite, Stomach aliments
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Whole plant
Leaves, Twigs
Other Uses
Used as Ornamental plant
Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
PENSTEMON eatonii
Symphytum asperum
Common Name
Firecracker Penstemon
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Firecracker penstemon
Blackwort
In German
Kracher penstemon
Blackwort
In French
Firecracker penstemon
Blackwort
In Spanish
Penstemon del petardo
Blackwort
In Greek
πυροτέχνημα penstemon
Blackwort
In Portuguese
Penstemon do foguete
Blackwort
In Polish
petarda penstemon
Blackwort
In Latin
Firecracker Persicaria
Blackwort
Family
Scrophulariaceae
Boraginaceae
Genus
Penstemon
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
-
Boraginoideae
Season and Care of Firecracker Penstemon and Comfrey
Season and care of Firecracker Penstemon and Comfrey is important to know. While considering everything about Firecracker Penstemon and Comfrey Care, growing season is an essential factor. Firecracker Penstemon season is Summer and Comfrey season is Summer. The type of soil for Firecracker Penstemon is Loam, Sand and for Comfrey is Loam, Sand while the PH of soil for Firecracker Penstemon is Neutral, Alkaline and for Comfrey is Acidic, Neutral.
Firecracker Penstemon and Comfrey Physical Information
Firecracker Penstemon and Comfrey physical information is very important for comparison. Firecracker Penstemon height is 61.00 cm and width 25.40 cm whereas Comfrey height is 20.00 cm and width 90.00 cm. The color specification of Firecracker Penstemon and Comfrey are as follows:
Firecracker Penstemon flower color: Crimson
Firecracker Penstemon leaf color: Green
Comfrey flower color: White and Light Pink
- Comfrey leaf color: Red, Green and Copper
Care of Firecracker Penstemon and Comfrey
Care of Firecracker Penstemon and Comfrey include pruning, fertilizers, watering etc. Firecracker Penstemon pruning is done No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves and Remove deadheads and Comfrey pruning is done Cut or pinch the stems and Remove dead leaves. In summer Firecracker Penstemon needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Comfrey needs Lots of watering and in winter, it needs Average Water.