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Jacobaea maritima

Common Name(s):

Previously known as:

  • Senecio cineraria
This plant has low severity poison characteristics.
See below
Description

Perennial often treated as a half-hardy annual; prefers light, well-drained soil; water lightly.  Remove flowers to promote foliage; can be sheared back if they become leggy; drought tolerant.  It was formerly placed in the genus Senecio, and is still widely referred to as Senecio cineraria.  A popular plant found in interiorscapes, forests or natural areas, patios, or in garden beds and borders.  Silvery wooly leaves provide excellent contrast in beds.  Start seeds indoors 10-15 weeks before the last frost date or purchase plants as starters in 6-packs.  You can take stem cuttings to overwinter but most people just replant with new plants in the spring.

Insects, Diseases, and Other Plant Problems:  No significant problems.  Susceptible to rust.

Cultivars / Varieties:
  • 'Silver Dust'
Tags:
#houseplant#annual#drought tolerant#heavy shade#container plant#shade annual#interiorscape#interesting leaves#mixed borders#bedding plant#edging#borders#fantz
 
Cultivars / Varieties:
  • 'Silver Dust'
Tags:
#houseplant#annual#drought tolerant#heavy shade#container plant#shade annual#interiorscape#interesting leaves#mixed borders#bedding plant#edging#borders#fantz
  • Attributes:
    Genus:
    Jacobaea
    Species:
    maritima
    Family:
    Asteraceae
    Recommended Propagation Strategy:
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Northern Africa, western Asia, Europe
    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.
    Dimensions:
    Height: 0 ft. 6 in. - 2 ft. 0 in.
    Width: 0 ft. 8 in. - 1 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Annual
    Herbaceous Perennial
    Perennial
    Poisonous
    Habit/Form:
    Clumping
    Rounded
    Growth Rate:
    Rapid
    Maintenance:
    Low
    Texture:
    Coarse
  • Cultural Conditions:
    Light:
    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)
    Available Space To Plant:
    Less than 12 inches
    12 inches-3 feet
    Usda Plant Hardiness Zone:
    7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b
  • Flowers:
    Flower Color:
    Gold/Yellow
    Insignificant
    Flower Inflorescence:
    Head
    Insignificant
    Flower Bloom Time:
    Fall
    Spring
    Summer
    Flower Shape:
    Crown
    Flower Petals:
    7 - 20 petals/rays
    Flower Size:
    1-3 inches
    Flower Description:
    It rarely flowers with yellow blossoms, occassionly white or purple. Heads resembling small sunflowers. Flowers may appear from spring to frost. Remove flowers to encourage foliage growth.
  • Leaves:
    Leaf Color:
    Gray/Silver
    White
    Leaf Feel:
    Soft
    Velvety
    Leaf Value To Gardener:
    Long-lasting
    Showy
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Margin:
    Lobed
    Hairs Present:
    Yes
    Leaf Length:
    > 6 inches
    Leaf Description:
    Grown for its silvery-white felt-like foliage that is a great contract to green-leaved plants. 6" long leaves are alternate, often pinnately lobed or divided
  • Stem:
    Stem Color:
    Gray/Silver
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Container
    Houseplants
    Patio
    Pool/Hardscape
    Recreational Play Area
    Small Space
    Landscape Theme:
    Cottage Garden
    Drought Tolerant Garden
    Fairy Garden
    Rock Garden
    Design Feature:
    Border
    Mass Planting
    Resistance To Challenges:
    Deer
    Drought
    Heavy Shade
  • Poisonous to Humans:
    Poison Severity:
    Low
    Poison Symptoms:
    Very low liver toxicity; minor skin irritation following contact lasting for only a few minutes.
    Poison Toxic Principle:
    Pyrrolizidine alkaloids.
    Causes Contact Dermatitis:
    Yes
    Poison Part:
    Leaves