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On the handy map, the USDA switched most of the Austin area from one half-zone, 8B, to another, 9A, which relates to the average annual extreme minimum temperatures.
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.
Botanical Name: Spiraea bumalda 'BI0601' Sun Exposure: Full sun to part shade Soil Type: Rich, moist, well-draining Soil pH: Acidic to neutral (4.5-7.5) USDA Hardiness Zones: 4 to 9. This popular ...
A honey bee collecting nectar from an apricot flower.. The nectar resource in a given area depends on the kinds of flowering plants present and their blooming periods. Which kinds grow in an area depends on soil texture, soil pH, soil drainage, daily maximum and minimum temperatures, precipitation, extreme minimum winter temperature, and growing degre
In 2012 the USDA updated their plant hardiness map based on 1976–2005 weather data, using a longer period of data to smooth out year-to-year weather fluctuations. [7] Two new zones (12 and 13) were added to better define and improve information sharing on tropical and semitropical plants, they also appear on the maps of Hawaii and Puerto Rico.
[1] [2] These categorizations can be generally accepted as a tree planting guide for each region. [12] However, specific site conditions should be considered for any particular location. [13] Likewise, consult the Texas Tree Planting Guide for recommendations.
In a quest to rank plants and predict how likely they were to survive winters in various parts of the country, renowned plant taxonomist Alfred Rehder of the Arnold Arboretum in Boston compiled ...
The Tennessee Native Plant Society (TNPS), founded 1977, is a 501(c)(3) non-profit organization headquartered in Nashville for preservation and education about the native flora of Tennessee including the Great Smoky Mountains. [2] TNPS supports the Tennessee-Kentucky Plant Atlas, an online database of plant distribution records, maps, and images.