Department of Agriculture plant hardiness zones 4 through 8.

Feb 15, Northern Spy growing requirements are similar to those of other apple trees. It needs full sun; well-drained, fertile soil; and plenty of room to grow.

Prepare the soil in advance of planting with compost and other organic materials. Prune your apple tree each year to size and shape and also to encourage good growth and apple bushleaning.barted Reading Time: 2 mins.

Jul 14, Using a garden hose for watering. Pruning. Our guide on pruning apple trees will show you everything you need to know about keeping your apple tree in great shape. Here is the rundown for the basics of pruning a Northern Spy Apple.

The Northern Spy Apple tree is best pruned right as the dormancy period is ending in late winter. Jul 23, On a mature fruit producing apple tree, pruning should remove the older, less fruit productive branches after their peak three to five year period.

It is not self-fertile and needs a pollination partner of a different variety nearby.

Summer is the best time to remove these older limbs when it is most obvious which ones those are. It is also a good time to prune diseased or damaged areas of the apple tree as they become visible. Because its apples hold their crisp, firm texture after baking, the"Northern Spy" apple tree (Malus domestica “Northern Spy") is a favorite among pie bakers. The tree grows from 12 to 16 feet.

in the pruning of fruit trees. These principles include early training, selecting scaffold limbs with wide (°) angle crotches and elimination of those with narrow crotches, thinning crowding branches and broken limbs, and heading the tree at a height desirable for economical spraying and harvesting. Training apple trees. The training and.