Agriculture Zone Meaning

The us department of agriculture usda has divided north america into 13 different hardiness zones based on temperature and climate.

Bsc agriculture how many years. The regions are defined by a 10 degree fahrenheit difference in the average annual minimum temperature. There are 11 planting zones on the usda plant hardiness map in the contiguous united states and southern canada. Zone 1 is the coldest climate and zone 13 is the hottest.

The higher the numbers the warmer the temperatures for gardening in those areas. They are categorized according to the mean of the. The lower the number is the lower the temperatures in that zone.

It divides north america into eleven zones by minimum average annual temperatures. A hardiness zone is a geographically defined zone in which a specific category of plant life is capable of growing as defined by temperature hardiness or ability to withstand the minimum temperatures of the zone. This zone is also intended to permit limited commercial and light industrial activities that support agriculture or are.

Each one is labeled as zone 1 zone 2 etc. Each zone represents ten degrees of temperature difference. The zones were first developed by the united states department of agriculture usda and have subsequently been adopted elsewhere.

The original and most widely used system developed by the united states department of agriculture usda as a rough guide for landscaping and gardening defines 13 zones by annual extreme minimum temperature. The usda hardiness zone map divides the united states and canada into 13 zones with zone 1 being the most northern and zone 13 the most southern. A hardiness zone is a geographic area defined to encompass a certain range of climatic conditions relevant to plant growth and survival.

What do hardiness zones mean. Each zone is on average 10 degrees warmer or.