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For practical purposes, Canada has adopted the American hardiness zone classification system. The 1990 version of the USDA Plant Hardiness Zone Map included Canada and Mexico, but they were removed with the 2012 update to focus on the United States and Puerto Rico. [8] The Canadian government publishes both Canadian and USDA-style zone maps. [37]
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.
According to the new map released in November 2023, about half of the United States has shifted to a new hardiness zone. That's really big news if you consider 80 million Americans use this map to ...
Learn what plant hardiness zone you're in and the best plants for your region. Skip to main content. Lifestyle. 24/7 help. For premium support please call: 800-290 ...
It is hardy in USDA zones 4–9 and tolerates shade excellently but will also grow in full sun. [6] When grown in sun the plant tends to grow denser and have more berries and flowers compared to growing in shade or partial shade. [6] [9] It is best to grow the plant from seed as its extensive rootsystem does not handle transplanting well. [6]
USDA Zone 9 is recommended. [7] Acacia maidenii does well in all types of soil, except those that are waterlogged for lengthy periods of time. [10] The tree's seeds number about 65 per gram. [7] A. maidenii can be propagated from seed but, in order to increase the germination rate, the seed should be treated first.
Changes to the Ohio map. On the 2012 Plant Hardiness Zone map, Greater Columbus (and a good portion of the rest of Ohio) was in Zone 6a, where the average lowest temperature ranges from -10 to -5 ...
The plant is winter hardy in USDA zones 3–9; it has a preference for moist but well drained soils, but is tolerant of dry conditions and clay soils. [22] It is ideal in semi-dry places where it can spread without presenting problems for other ornamental species. [2] Monarch Watch provides information on rearing monarchs and their host plants ...