Buy a shrub or tree at the local garden center and
the tag infomation will include two sets of numbers,
the USDA Hardiness Zones and the AHS Heat Tolerance Zones.
These numbers assure us that this particular shrub
or tree will thrive in the region of the country
specific to those numbers. You must know your
zone number which limits making mistakes planting
vegetables that require more frost free days than
you normally enjoy. It is a costly mistake to
choose a tree from a mailorder nursery that will
not survive the minimum average temperature in
your specific geographical area.
Understanding the USDA Plant Hardiness Zones
and the AHS Heat-Zone for your gardening location
is a must for successful growing. Memorize your
numbers and shop with confidence.
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