• Photo of Jacobaea maritima (Jacobaea maritimas)

Plant Profile: Jacobaea maritima

Taxonomy: Jacobaea maritima

Names

Dusty Miller, Silver Ragwort

  • Photo of Jacobaea maritima (Jacobaea maritimas)

Phonetic Spelling:jay-koh-BEE-uh mar-ih-TY-muh

Genus:Jacobaea

Species:maritima

Family:Asteraceae

Dusty Miller is commonly cultivated as an annual due to its striking silvery, woolly foliage, which adds visual interest to gardens and containers alike. This plant thrives in light, well-drained soil and can flourish in both sunny and shaded areas, demonstrating good drought resistance. To encourage more robust leaf growth, it’s advisable to remove any flowers that appear.

This versatile plant is frequently used in various settings, including indoor landscapes, natural woodlands, patios, and garden beds or borders. Its distinctive silvery leaves create a beautiful contrast in flower beds. For optimal growth, start seeds indoors 10 to 15 weeks prior to the last frost, or alternatively, you can buy young plants in six-packs. While stem cuttings can be taken for wintering, many gardeners prefer to replant fresh specimens each spring.

Regarding pests and diseases, Dusty Miller generally faces few issues, although it can be vulnerable to rust.

Jacobaea maritima Feature Summary

Jacobaea maritima Image Gallery

Tags

#houseplant
#annual
#drought tolerant
#shade annual
#interiorscape
#interesting leaves
#mixed borders
#edging
#borders
#bedding plants
#fantz
#HS302
#problem for cats
#problem for dogs
#problem for horses
#heavy shade tolerant
#container plants

Similar Plants

Jacobaea maritima is often confused with:

Jacobaea maritima Feature Summary

Attributes
Northern Africa, western Asia, Europe
This plant is seldom damaged by deer. Tolerates heavy shade but leaf color is best with some sun.
Flowers
It occasionally flowers with yellow daisy-like blossoms in clusters, occasionally white or purple. Flowers may appear from spring to frost. Remove flowers to encourage foliage growth.
Gold/Yellow
Insignificant
Insignificant
Cyme
Spring
Summer
Fall
7 - 20 petals/rays
1-3 inches
Leaves
2-6 inches long by 1.5 to 2.5 inches wide leaves are alternate, often pinnately lobed or divided into irregular segments. The lower leaves are more deeply lobed than the upper leaves. They are densely covered in white to gray hairs.
Gray/Silver
White
Pinnatifid
3-6 inches
Soft
Velvety
Showy
Long-lasting
1-3 inches
Whole Plant Traits
Perennial
Annual
Herbaceous Perennial
Poisonous
Rounded
Clumping
Coarse
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Deep shade (Less than 2 hours to no direct sunlight)
12 inches-3 feet
Less than 12 inches
7a
7b
8b
8a
9a
9b
10a
10b
Landscape
Drought Tolerant Garden
Rock Garden
Cottage Garden
Fairy Garden
Border
Mass Planting
Drought
Deer
Heavy Shade
Container
Patio
Recreational Play Area
Small Space
Houseplants
Pool/Hardscape
Problem for Cats
Problem for Dogs
Problem for Horses

Jacobaea maritima Attributes

Jacobaea maritima: Country Or Region Of Origin

Northern Africa, western Asia, Europe

Jacobaea maritima: Particularly Resistant To (Insects/Diseases/Other Problems)

This plant is seldom damaged by deer. Tolerates heavy shade but leaf color is best with some sun.

Jacobaea maritima: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Jacobaea maritima Flowers

Jacobaea maritima: Flower Description

It occasionally flowers with yellow daisy-like blossoms in clusters, occasionally white or purple. Flowers may appear from spring to frost. Remove flowers to encourage foliage growth.

Jacobaea maritima: Flower Color

filter_vintage
Gold/Yellow
filter_vintage
Insignificant

Jacobaea maritima: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Jacobaea maritima: Flower Bloom Time

Winter
Spring
Summer
Fall

Jacobaea maritima: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Jacobaea maritima: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Jacobaea maritima: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Jacobaea maritima Leaves

Jacobaea maritima: Leaf Description

2-6 inches long by 1.5 to 2.5 inches wide leaves are alternate, often pinnately lobed or divided into irregular segments. The lower leaves are more deeply lobed than the upper leaves. They are densely covered in white to gray hairs.

Jacobaea maritima: Leaf Color

spa
Gray/Silver
spa
White

Jacobaea maritima: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Jacobaea maritima: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Jacobaea maritima: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Jacobaea maritima: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Jacobaea maritima: Hairs Present

No
Yes

Jacobaea maritima: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Jacobaea maritima: Leaf Feel

Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy

Jacobaea maritima: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Jacobaea maritima: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Jacobaea maritima Whole Plant Traits

Jacobaea maritima: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Jacobaea maritima: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Jacobaea maritima: Growth Rate

Slow
Medium
Rapid

Jacobaea maritima: Maintenance

Low
Medium
High

Jacobaea maritima: Texture

Fine
Medium
Coarse

Jacobaea maritima Cultural Conditions

Jacobaea maritima: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Jacobaea maritima: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Jacobaea maritima: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Jacobaea maritima Stem

Jacobaea maritima: Stem Color

grass
Gray/Silver

Jacobaea maritima: Stem Is Aromatic

No
Yes

Jacobaea maritima Landscape

Jacobaea maritima: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Jacobaea maritima: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Jacobaea maritima: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Jacobaea maritima: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Jacobaea maritima: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy