Senecio hallianus
Groundsel
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Groundsel (Senecio hallianus) - Description
Extremely wide genus in the daisy family includes annuals, perennials, shrubs and small trees. Typical cultivated species are flowering herbaceous perennials.
Groundsel (Senecio hallianus) - Blooming
Daisy like flowers, usually carried in clusters, consisting of densely packed centers of disk florets surrounded usually by ray florets.
Groundsel (Senecio hallianus) - 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).
Groundsel (Senecio hallianus) - Planting
Sow seeds in spring. Basal shoot cuttings can also be taken come springtime for vegetative propagation.
Groundsel (Senecio hallianus) - 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.
Groundsel (Senecio hallianus) - 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.
Groundsel (Senecio hallianus) - Soil and irrigation
Dusty Millers have a variety of soil needs, but most do best in moderately fertile well-drained soils.
