Care of the shrub Nicotiana glauca or Tree tobacco |
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The genus Nicotiana, family Solanaceae, made up of about 60 species of herbaceous plants and shrubs native to America, Australia and Africa. Some species are: Nicotiana glauca, Nicotiana tabacum, Nicotiana alata, Nicotiana suaveolens, Nicotiana longiflora, Nicotiana tomentosa, Nicotiana noctiflora. Common names: Tree tobacco, Mustard tree, Tobacco bush, Wild tobacco. This species is native to South America. They are large bushes or small highly branched trees that reach 7 meters (22.9 feet) in height. The leaves are ovate, elliptical or oblong and bluish-green in color. The showy yellow tubular flowers appear in helical cymes. The plant is toxic by ingestion. These easy-to-grow plants are used as isolated specimens, in bushy groups, on dry slopes and in pots as indoor and patio or terrace plants. In some European countries such as Spain they are considered invasive plants. Nicotiana glauca prefers full sun exposure and a hot, dry climate. They resist light and occasional frosts. They grow in any well-drained soil, including poor, rocky, sandy, or stony soils. The pot transplant is done in spring. Water regularly in spring and summer, waiting for the substratum to be almost dry; Reduce watering in fall and winter. They resist drought when established. Fertilize with a little compost or manure at the end of winter. They do not need pruning but it is recommended to trim the withered flower stems. They are plants very resistant to the usual pests and diseases. They are propagated from seeds sown in early spring; They germinate in 2-3 weeks. |
Images of the shrub Nicotiana glauca or Tree tobacco |
 Nicotiana glauca  Nicotiana glauca  Nicotiana glauca |