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A key trait for more northerly latitudes of N. America and Europe is phenology, with ‘late flushing’ being particularly important to avoid frost damage in Spring. Some cultivars have been developed for novel ‘hedge’ production systems developed in Europe and would not suit more traditional orchard systems.
The two most commercially important species are J. regia for timber and nuts, and J. nigra for timber. Both species have similar cultivation requirements and are widely grown in temperate zones.
Originally posted by Cowgirlstraitup7
I am by no means a scientist but I thought global warming meant that things WILL cool down.
Example, the earth gets hotter for reasons either man made or nature, thus the ice caps melt, causing the oceans temperatures to drop, thus causing our air temperatures to drop.