Planting zones – What they don’t tell
While plant zones and heat zones are extremely helpful, they do not cover everything you need to know about plantation. There are many other weather and climatic effects that can determine how well a plant will grow, this includes humidity, rainfall and wind. The growing zone maps that were compiled were based on average temperatures, hence they don’t account for unusual weather patterns, and sudden climatic changes such as temperatures hitting -10 degrees Celsius on a Halloween night with no previous frosts or wintry climate for that matter.
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