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News

  • Students Harvest Christmas Trees They Planted in 2016

    Anna Berry
    December 16, 2022

    Students begin the program in kindergarten by planting their own Christmas trees at The Rocks.

  • An Endless Summer to Remember.

    Dave Anderson
    November 21, 2022

    It snowed last night: a three inch thick coffin lid to our seemingly endless summer. The first snowfall arrives like a shot across the bow. We’d ...

  • Public Goes Behind the Scenes of a Timber Harvest at Wilkins-Campbell Forest

    Dave Anderson
    November 16, 2022

    Forester Gabe Roxby explained several of the wildlife habitat, soil, and water quality considerations of the timber harvest.

Forest Friday: Planting Trees This Spring?

Wendy Weisiger
April 15, 2022
Forestry
Working Forests
Carrie Deegan uses a shovel to fill the hole around the newly planted tree.
Carrie Deegan uses a shovel to fill the hole around a freshly planted mulberry tree at the floodplain in Concord.

Happy Spring! With Earth Day and Arbor day approaching and the warm weather finally arriving, many people are thinking about planting trees. This week our staff are working with students and volunteers to plant mulberry trees on our floodplain in Concord (formally known as the Merrimack River Outdoor Education & Conservation Area) to benefit wildlife. Next month, we will be working with many more volunteers to plant our Christmas trees at The Rocks in Bethlehem.  

Our foresters are often asked if we replant trees in the forest after logging but here in the northeast trees naturally grow back after a timber harvest. In other parts of the country, trees may need to be replanted after a timber harvest or forest fire or other natural disaster. 

Spring is the best time of year to plant trees so we thought now is a good time to share the basics of tree planting with you.

For starters, you’ll want carefully consider what is the right tree for your location. How tall will it grow? When will it flower? What are the best conditions for the tree? Many trees will do well with a lot of sun, but some may not do well in shady areas.  Some trees are sensitive to road salt and a lot of lawn amendments.  Other trees may not do well in very dry or wet areas and some may be sensitive to early and late frost on hilltops.  Be sure to pick out a tree that will grow well in your location.

The photos and captions show how we planted our bare root mulberry trees this week.   

Laying a tarp on the ground is the first step.

  • Lay a tarp to place the soil removed from digging hole. Make sure the hole is larger and deeper than the roots.  It’s important that the tree is planted so that the root collar is at ground level.  We used a stake to measure that. Because the soils here are so sandy, we also added manure fertilizer to the bottom of the hole but this is not always necessary.

Carrie Deegan points out the root collar where we will set the depth of the tree.

Carrie Deegan points out the root collar where we will set the depth of the tree.

The roots are spread out inside the hole.

Be sure to spread the roots out and take care to make sure none of the roots are folding back up on themselves in a “J”. 

  • Next, be sure all roots are not exposed by covering them with soil. Also be sure not to “volcano” the soil up above the root collar.

Carrie points to an exposed root.

Here, Carrie points to an exposed root.

  • Add lots of water and we built up walls around the tree to hold the water in. 

A watering tub around the newly planted tree.

  • Then, add bark mulch. This helps retain moisture. Be sure not to cover the root collar with the bark mulch. 

The resulting finishing planting.

  • Lastly, for larger seedlings, add security stakes and strap the tree to them so it will grow straight. These will need to be adjusted and you should take care not to use wire or something that will damage the bark.

Fencing around the newly planted mulberry trees will prevent deer damage.

In this case, we added fencing to protect the trees from deer or animals that may eat or damage them. 

 

We will leave the fencing and stakes until the trees are a bit larger and more stable. Happy planting!

 

  • For more information about choosing the right tree, planting, transplanting, pruning, and caring for your tree visit this UNH Extension blog.

 

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Society for the Protection of New Hampshire Forests54 Portsmouth St.Concord, NH 03301
Phone: 603.224.9945Fax: 603.228.0423info@forestsociety.org
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