How To Overwinter Potted 树: Tips For Storing Potted 树 Over Winter

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Planting smaller 树 in containers solves many problems. If you have sand or clay soil that would not be good for the tree, 你可以用top notch, well-draining soil in the container.  And if your winters are colder than your tree is hardy, 盆栽常绿乔木 winter over well if you can cart the container inside for the cold spells. 

But potted 树 that survive winter don’t necessarily need to be brought inside. 在许多领域, it’s entirely feasible to overwinter potted 树 outside – including both 盆栽常绿乔木 and 盆栽落叶乔木 – if you take proper precautions. If you are interested in winter tree protection, read on. 

Potted 树 That Survive Winter

树 planted in pots feel the cold of winter more than 树 with roots in the ground. That’s because they have less soil insulating their roots. 冬天来了, it may be essential to provide winter tree protection to help your tree survive. 

This is obviously not necessary for potted 树 in warmer climates. 例如, 在旧金山, where winter temps stay double digits above freezing, container plants thrive in the back yard all year long without any added winter protection. 在寒冷地区, potted 树 that survive winter are either cold hardy to the region or else are provided protection from cold and wind. 


Picking 树 that are cold hardy to your location is the first step in helping 树 make it through the winter. 请记住, 然而, that hardiness zones reflect the level of cold a tree can survive when its roots are in the earth, 不是在集装箱里. The roots of your container plants can become colder than those in the ground; in fact, they can drop down to the same temperature as the winter air. 

How can you provide these plants with winter tree protection? First, calculate your container’s 美国农业部耐寒性区域 as two zones colder than your regular zone. That should tell you if your tree is still safe. 例如, 如果你住在第六区, 选择多年生植物, 树, and shrubs marked hardy to Zone 4 to increase the chance that the plants will overwinter happily. You’ll also want to pick your containers carefully. 

Picking Containers for Potted 树

The type of container you use can have a big impact on how much cold the tree’s roots will experience. It just makes sense that thin container walls will not shield the cold as well as thicker ones. That eliminates plastic and metal containers for storing potted 树 over winter.

But there’s more to consider if you have freezing winter weather. Earthenware, ceramic, and terracotta can crack as they freeze or thaw. It’s better to pick concrete or wood containers. 大小和数量. The bigger the container the better, since it increases the amount of protective dirt surrounding the roots.

Storing Potted 树 Over Winter

很明显, moving container plants indoors for the coldest months is an effective way to protect them. But it’s not the only way to improve a container tree’s chances. Here’s another way of storing potted 树 over winter. 

Before the first winter frosts, dig large holes in the garden soil, big enough to accommodate the pots of your container 树. Place the plant’s container into the hole and tuck soil around the edges, 给植物浇好水, then add a thick layer of straw, dried leaves or shredded bark. Water occasionally over the cold months. 

如果不可能的话, grouping your potted 树 in a sheltered location near the house can help, 太. Place the biggest pots on the outside, the smaller pots on the inside. Mulch over the top and place hay bales around the outside of the little grouping.

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