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USDA Hardiness Planting Zones
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
- If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
- If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).
Agave | Century Plant
Cold-hardy Agave are one of our specialties. These statuesque succulents thrive in hot sun and poor soils where they receive little water. Urban legend said that Agave would take 100 years to bloom, before promptly dying. We now know that the century plant's life cycle is about a quarter that time, but the result is the same: One gorgeous bloom, followed by death. A process known as 'semelparity.' They are not kid-safe and with their fierce spines, plant them away from walkways and entrances. All our plants are nursery grown from seeds and cuttings and are not taken from the wild.
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