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A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as a rough guide for ...
For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle.
The plant is in UDSA hardiness zone 9b to 11b. Like many other species in the genus, Crassula alpestris is easily suspectable to bug and fungal diseases. Propagation can be done through offsets or leaf cuttings. Generally, full sun to partial shade is recommended and it needs little water and good draining.
Bougainvillea are popular ornamental plants in most areas with warm climates, including Florida, South Carolina, [6] South India, California, across the Mediterranean Basin. [7] Although it is frost-sensitive and hardy in USDA Hardiness Zones 9b and 10, bougainvillea can be used as a houseplant or hanging basket in cooler climates. In the ...
An updated plant hardiness zone map released by the USDA last month shows nearly half of the country is now classified in a "warmer" zone than it used to be. That includes parts of Southeastern N.C.
The new data is based on 1991-2020 GIS data collected from over 13,000 weather stations.