Answer: From a plant's point of view, spring and fall are the absolute best times to plant. That's when temperatures are cool and rainfall abundant, which will help the roots establish quickly. In your region you can plant in the winter, as well. Summer can be a challenge for newly planted trees and shrubs, but with a little extra care, you can plant your birch now and have it thrive. Begin by digging a hole just as deep and a little wider than the container. You'll want your tree to be planted at the same soil level as it is growing in the container. Rough up the sides of the hole then unpot your tree, massage the root ball a bit to loosen the soil. It helps to place a small mound or cone of soil at the bottom of the hole and drape the roots over the mound in a natural fashion. Then backfill the hole with native soil, gently tamping it down as you go to eliminate any air pockets. When you've finished filling the hole, make a watering well or basin around the tree by mounding up a few inches of soil. Water your tree by flooding the basin, allowing it to drain, then flooding a second time. Watering in this way will concentrate the moisture over the root mass and allow it to slowly trickle down and wet the entire root mass. Water in the fashion once each week throughout the growing season.
Best wishes with your new tree!
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