29
Sep
2010
Solidago caesia - blue-stemmed goldenrod
Flowers | Magnoliopsida

Scientific Name - Solidago caesia L.

Synonyms - Solidago axillaris Pursh.

Popular names - blue-stemmed goldenrod, vara de oro montanòsa.

Distribution and Habitat - grows naturally in dry soils on roadsides from Nova Scotia to Minnesota, south Florida and Texas.

Description - Perennial species, rhizome. Stems slender, purple or glauca, glabra, branched, 30-100 cm tall. Leaves alternate, sessile, oblong-lanceolate or lanceolate, long acuminata, smooth, toothed, 5-15 cm long. Flowers in axillary or raceme groups, stem 2-10 mm involucrului bracts linear, ligulate flowers 1-6, yellow, tubular flowers 3-9, yellow. Blooms in August-October. Fruit achenes, pubescent, 2-3 mm long Papus.

Tolerances - shade and frost.

Requirements - prefers semi-shade, clay soil, rich and lightor gritty.

Propagation - by seed or split bush.

Diseases and pests - Solidago box to host plant is Microrhopala xerene, Prescott lobata.

Properties and Uses - Can be used as an ornamental species in parks and gardens, or cut flowers.

Curiosity - "Solidago" comes from the Latin solidarity for medicinal properties of species belonging to the genre.

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