Assertion: apple tree's apple | /r/Desires | a chill period
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Source sentences:
text: Apples, which require a chill period to set the flower buds in the spring, are usually grown in cooler weather states, including California and Washington, but some varieties can be grown in the northern and central parts of Florida, which are defined as zones 8 and 9 on the USDA Plant Hardiness Zone Map.