Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to grow an apple tree [title] Find your growing zone. [step] There are hundreds of apple tree varieties available, each of which does best in a certain growing zone. Planting a tree that is known to thrive in your growing zone will give you the best chance of growing a successful, fruit-bearing tree.

Ending1: The usda website provides a map illustrating where different growing zones begin and end. [substeps] This is especially important for apple trees because apple varieties each need a number of " chill hours " in order to begin producing fruit. Ending2: How to find out what your growing zone is will depend on a variety of factors, such as : [substeps] Where the tree grows. How late in the growing season the trees typically develop (usually at the beginning of a seasonal season). Ending3: [title] Purchase high-quality fruit from reputable apple tree growers. [step] If possible purchase more than one tree at the beginning of the game. Ending4: Select a planting zone that has well-drained soil and a decent amount of sun. [title] Obtain enough tree roots for the tree to hold together.

Answer format: ending1/ending2/ending3/ending4