Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
Southern Europe, Mediterranean
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Arp Rosemary, Gorizia Rosemary, Lockwood de Forest Rosemary, Salem Rosemary
Number of Varieties
224
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Dry areas, Open scrub
USDA Hardiness Zone
6-118-11
0
99
👆🏻
AHS Heat Zone
-
12-8
Sunset Zone
21,22
H1, H2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
20.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Sea Green
Leaf Color in Summer
Green, Blue Green
Sea Green
Leaf Color in Fall
Green, Blue Green
Sea Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Light Green
Shape
Leaf Shape
Oval
Needle like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Early Spring, Spring, Late Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings, Stem Planting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Do not water frequently, Does not require lot of watering, It cannot sustain wet-feet, Never Over-water, Requires watering in the growing season, Water when soil is dry, when new, water every week
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
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune for shortening long shoots, Prune if you want to improve plant shape, Prune regularly, Prune to control growth, Requires extensive pruning
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Mealybugs, Powdery mildew, Root rot, Scale, Spider mites, Whiteflies
Plant Tolerance
Shallow soil, Sun
Drought
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
Fine
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Bees
Allergy
Antibacterial, Peripheral Edema
Skin rash, Vomiting
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Antioxidants, Cough, Gastrointestinal disorders, Heartburn, High blood pressure, Indigestion
Part of Plant Used
Leaves, Twigs
Flowers, Leaves
Other Uses
Used for its medicinal properties
Air freshner, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used as a spice
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Edible, Hedges, Herb / Vegetable, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
Symphytum asperum
ROSMARINUS officinalis 'Tuscan Blue'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Rosemary, Tuscan Blue Rosemary
In Hindi
Blackwort
टस्कन ब्लू दौनी
In German
Blackwort
Tuscan Blau Rosmarin
In French
Blackwort
Toscane Bleu Rosemary
In Spanish
Blackwort
Toscana azul Romero
In Greek
Blackwort
Τοσκάνης Μπλε Rosemary
In Portuguese
Blackwort
Tuscan Azul Rosemary
In Polish
Blackwort
Toskańskie Niebieski Rosemary
In Latin
Blackwort
Tusci Rosemary blue
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Lamiales
Family
Boraginaceae
Lamiaceae
Genus
Symphytum
Rosmarinus
Clade
Angiosperms, Eudicots, Rosids
-
Tribe
-
-
Subfamily
Boraginoideae
-
Number of Species
35900
1
27800
👆🏻