Senecio cineraria
Jacobaea Maritima
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Jacobaea Maritima (Senecio cineraria) - Description
Jacobaea maritima (Silver Ragwort) is a perennial plant species in the genus Jacobaea in the family Asteraceae, native to the Mediterranean region. It was formerly placed in the genus Senecio, and is still widely referred to as Senecio cineraria; see the list of synonyms (right) for other names. It is widely cultivated as an ornamental plant for its white, felt-like tomentose leaves; in horticultural use, it is also sometimes called dusty miller, a name shared with several other plants that also have silvery tomentose leaves; the two most often to share the name are Centaurea cineraria and Lychnis coronaria.
Jacobaea Maritima (Senecio cineraria) - Blooming
Daisy like flowers, usually carried in clusters, consisting of densely packed centers of disk florets surrounded usually by ray florets.
Jacobaea Maritima (Senecio cineraria) - Growth
Diverse genus. Annuals, biennials, perennials, climbers, shrubs and small trees. Foliage is especially diverse, rounded, triangular, deeply cut, or fernlike; fleshy or succulent, and a few have hairy to woolly white leaves (like S. cineraria, aka Dusty Miller).
Jacobaea Maritima (Senecio cineraria) - Planting
Sow seeds in spring. Basal shoot cuttings can also be taken come springtime for vegetative propagation.
Jacobaea Maritima (Senecio cineraria) - Pest
In enclosed growing areas, insect pests such as spider mites, whiteflies and aphids can be troublesome. Most Dusty Millers are prone to problems with rust.
Jacobaea Maritima (Senecio cineraria) - Interesting facts
Dusty Millers are so named because most species in the genus appear as though their foliage is dusted with a white or silver coating. This "coating" is actually a collection of hairs, or trichomes in botanical terms, which cover the surface of the shoots. The mat of trichomes being white or silverish is no mistake either. The light color of the trichomes helps to deflect solar radiation and protect the plant from overheating. Additionally, it is important to note that all parts of the plant can cause abdominal discomfort if ingested.
Jacobaea Maritima (Senecio cineraria) - Soil and irrigation
Dusty Millers have a variety of soil needs, but most do best in moderately fertile well-drained soils.
Senecio cineraria - Jacobaea Maritima - Photos
