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This past winter was also a good test of plant hardiness.
But do remember that, with all these bulbs, their hardiness is in question.
This is where the winter hardiness maps come into play.
They are known for their strength, hardiness and gentle nature.
One could sense the energy, spirit and hardiness of the long gone inhabitants.
I worry about whether plants' hardiness will be able to adapt.
The recent history of this idea testifies to its hardiness.
Their hardiness and quiet nature made them good animals to use for farm work.
Plant hardiness data is also being used by other map makers.
The price of youthful hardiness is a more fragile old age.
The plant can exist in hardiness zones 4 through 7.
The trees will survive in hardiness zones 10 and 11.
The club, she says, chose the tree for its hardiness and grace.
The tree has all the qualities of the species plus hardiness.
"It'll increase the hardiness of your roses at least one zone."
In addition, the hardiness of the silk tree has been questioned.
Users of this method have had success in most hardiness zones.
There is the matter of the hardiness zones themselves.
One of the big problems with any boxwood is their marginal hardiness.
They were also screened for disease resistance, field hardiness and yield.
The garden is in a colder section, hardiness zone 5.
Yet to others the term hardiness means but one thing: a plant's ability to survive the winter.
The new map divides the country into 10 zones of hardiness.
He learned of its hardiness only by an oversight.
However their hardiness is such that individuals often remain through cold northern winters, as well.