Got Nature? Blog

On this edition of ID That Tree, meet umbrella magnolia, a small tree easily identified by the clusters of long simple leaves at the end of the twigs, which form an umbrella shape, and by its beautiful white blossoms in the spring.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store
Pin Oak, Native Trees of Indiana River Walk, Purdue Fort Wayne

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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With the holidays over the needles are beginning to fall from your natural Christmas tree, continue to spread holiday cheer by returning your tree to nature.

Jarred Brooke, Extension wildlife specialist, shares a few creative ways you can repurpose and recycle your tree this year.

“Before you throw your used natural Christmas tree in the trash, think about recycling it on your property. Instead of taking up space in the landfill, your tree could decompose naturally while providing cover and food for fish, wildlife or insects,” said Brooke.

No matter how you choose to repurpose your tree, make sure it is free from ornaments and decorations. Do not recycle trees that have been sprayed with “fake” snow or treated with chemicals.

Create a habitat for fish
Throwing used Christmas trees in ponds is a great way to recycle the tree and provide a fish habitat to your pond. The small branches provide hiding spots for small fish to escape from larger predators.

If the pond is frozen with more than four inches of ice, you can drag your tree onto the ice. The tree will fall into place once the ice melts.

You should only add Christmas trees to your ponds or other private ponds with the permission of the pond owner. While they do provide great habitats for fish, they can be a nuisance for fishing as hooks and lines may get caught on branches. It is recommended that you keep trees away from popular fishing areas like docks.

Full article > > >

Resources:
Selecting a Real Christmas Tree, Got Nature? Blog, Purdue Extension-Forestry and Natural Resources
A Choose-and-Cut Pine and Fir Christmas Tree Case Study, The Education Store, Purdue Extension’s resource center
Living Christmas Trees For The Holidays and Beyond, The Education Store
Growing Christmas Trees, The Education Store
Selecting an Indiana-Grown Christmas Tree, The Education Store
Forest/Timber Playlist, subscribe to Purdue Extension – Forestry and Natural Resources YouTube Channel
Aquatics & Fisheries, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
Ask an Expert: Pond Wildlife Management, Video, Purdue Extension – FNR YouTube Channel
Ask an Expert: Pond Management: What to Do in Winter, How to Plan for Spring, Video, Purdue Extension – FNR YouTube Channel
Aquatic Plant Management: Identifying and Managing Aquatic Vegetation, The Education Store
Pond and Wildlife Management, Purdue Extension-Forestry and Natural Resources

Jarred Brooke, Wildlife Extension Specialist
Purdue Forestry and Natural Resources

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In particular, newly fall-planted trees, shrubs, and perennials should be monitored and watered late into the season, since they haven’t had time to develop extensive root systems.

Pay attention to evergreens plants. Evergreens do not go dormant in the winter and are still actively respiring and lose water through their needles. Deciduous trees respire at lower rates in winter.

Since soil insulates and cools down later in the year than the air temperature, roots stay warmer longer and respire at higher rates than the above-ground parts, the trunk, and branches, of deciduous trees after their leaves drop.

Only water when the temperature is above 40°F. In some places, that could be as late as the end of December. That last good watering is an important one.

Stop supplemental watering after the ground freezes because at this point the trees cannot absorb water through the frozen soil.

Other Helpful Resources:
Winterize Your Trees, The Education Store, Purdue Extension’s resource center
Why are the Gingko Leaves Not Falling, Purdue Extension-Forestry and Natural Resources Got Nature? Blog
ID That Tree Winter Edition: Alternate Leaf Arrangement – Black Walnut/Eastern Cottonwood, FNR Got Nature? Blog
ID That Tree Winter Edition: Opposite Leaf Arrangement – Ohio Buckeye/Red Maple, Purdue Extension-FNR YouTube Channel
ID That Tree Winter Edition: Alternate Leaf Arrangement – Honey Locust/Burr Oak, Purdue Extension-FNR YouTube Channel
How do Trees Use Water?, Purdue Landscape Report
Planting Your Tree Part 1: Choosing Your Tree, Purdue extension-FNR YouTube Channel
Tree Installation: Process and Practices, The Education Store

Lindsey Purcell, Chapter Executive Director
Indiana Arborist Association

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On this edition of ID That Tree, meet a species of native Indiana oak from the broad red/black oak family, which is found in bottomlands and areas with imperfectly drained soil, the Pin Oak. This species is recognizable by round acorns with flat scales, bristle-tipped leaves with deep 90-degree angled lobes, and lower branches that angle downward.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store
Pin Oak, Native Trees of Indiana River Walk, Purdue Fort Wayne

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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Question: The tip of my jack pine, probably 5 years old, had been broken but not severed from the tree. It was hanging, still half attached. Is there some way to repair the tree tip so it can perhaps heal?

Answer: Coniferous trees such as pines and spruce are well known for their pyramidal shape. The reason for this unique growing form is the specialized growing point called the terminal bud. This is in the very top growth of the tree. Unfortunately, they often lose their central tips due to animal damage or storms. If a new central leader isn’t established a new shape takes form. Usually this is more shrub-like on younger trees or larger trees become shorter and more rounded in shape.

Should damage occur careful selection and remediation can provide a new leader and help restore the excurrent growth pattern. Details can be found in the pruning publication for mitigation options, Pruning Ornamental Trees and Shrubs, HO-4-W.

Other Helpful Resources:
Borers of Pines and Other Needle Bearing Evergreens in Landscapes, Purdue Extension – Entomology
Yellowing Pines and Needle Drop, Purdue Plant and Pest Diagnostic Laboratory
Phomopsis Dieback of Spruce, Purdue Landscape Report
Tree Installation: Process and Practices, The Education Store, Purdue Extension resource center
Planting Forest Trees and Shrubs in Indiana, The Education Store, Purdue Extension resource center
Subscribe: Purdue Extension – Forestry and Natural Resources YouTube Channel, with over 195 videos regarding wildlife, forestry and natural resources

Lindsey Purcell, Urban Forestry Specialist
Purdue University Department of Forestry and Natural Resources

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In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces a native Indiana species found in dry sites in Northern and Southern Indiana, the scarlet oak. Identify this member of the red oak family by its terminal buds with hairs and a red coloration, leaves with deep C-shaped sinuses, dark smooth bark and acorns with caps that cover half the acorn.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Scarlet Oak, Native Trees of Indiana Riverwalk Purdue Fort Wayne
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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Question: Often ginkgo trees will drop all of their leaves on a single day after a cold night. I thought that was going to be Monday at Purdue (left: leaves falling). But no, we’re at Wednesday now (right) and this one changed its mind. Anyone know how common that is?

Answer: It was a very peculiar fall. The overall leaf drop was one to two weeks later than normal at least. An October with weather more like September has likely had some impact on this. Individual trees will vary some on their leaf drop timing, probably due to their geographic origin (for planted trees) and individual genetic variation. The severity and timing of frost/freeze also influences strongly. As you can see, lots of variables!

Leaf drop is not solely dependent on temperatures. There is a process of dormancy the tree follows to properly acclimate in preparation for winter. One of these is leaf drop, but it must go through the process of developing an abscission layer between the petiole base and branch. Most likely, the tree didn’t drop leaves yet because this separation layer of chemicals hasn’t fully responded yet. We often see frozen leaves on a tree and later they fall, but this is the result of sudden extreme cold ahead of proper dormancy routines.

Resources:
Fall Color Pigments, Purdue Extension YouTube Channel
Why Leaves Change Color – The Physiological Basis,
Oak Wilt in Indiana, Purdue Landscape Report
Dog Days of Summer Barking Early This Year, Purdue Landscape Report
Tulip Poplar Summer Leaf Drop, Purdue Landscape Report
Be on the Lookout for Defoliated Viburnums and Viburnum Leaf Beetle, Purdue Landscape Report
Will my Trees Recover After Losing Their Leaves?, Purdue Landscape Report
What Do Trees Do in the Winter?, Purdue Landscape Report
Why Fall Color is Sometimes a Dud, Purdue Landscape Report
Alternatives to Burning Bush For Fall Color, Purdue Landscape Report
Start Preparing Trees for Winter and Next Year, Purdue Landscape Report
ID That Tree Winter Edition: Opposite Leaf Arrangement – Ohio buckeye, Red Maple, Purdue Extension YouTube Channel
ID That Tree Winter Edition: Alternate Leaf Arrangement – Black Walnut, Eastern Cottonwood, Purdue Extension YouTube Channel
ID That Tree Winter Edition: Alternate Leaf Arrangement – Honey Locust, Burr Oak, Purdue Extension YouTube Channel

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

Lindsey Purcell, Urban Forestry Specialist
Purdue University Department of Forestry and Natural Resources

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Meet overcup oak, a species found on swampy ground and soils in southwestern Indiana. It is identifiable by its deeply sinused alternately arranged leaves as well as its acorns, which have a cap which encases nearly the entire acorn and typically don’t let go easily.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Overcup Oak, Native Trees of Indiana Riverwalk Purdue Fort Wayne
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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In this edition of ID That Tree, Purdue Extension forester Lenny Farlee introduces you to a native Indiana tree that provided a substitute for coffee in its past. Meet the Kentucky coffee tree, which is known by its large pods, doubly-compound leaves and beautifully textured bark. Learn more inside.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store
River Birch-Native Trees of Indiana River Walk, Purdue University Fort Wayne

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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In this edition of ID That Tree, meet River Birch. As its name implies, it is often found near waterways and in moist soil areas across the state of Indiana. It can be multi-stemmed, often in landscaping, or single stemmed, often in woodlands and bottomlands. Simple triangular-shaped leaves with doubly-serrated margins and flaking/peeling bark are key identifiers. In younger trees, the bark peels more and can range from chalky white to reddish brown. Bark on older trees is darker gray/brown and peeling is less prominent.

If you have any questions regarding wildlife, trees, forest management, wood products, natural resource planning or other natural resource topics, feel free to contact us by using our Ask an Expert web page.

Resources:
ID That Tree, Playlist, Purdue Extension – Forestry and Natural Resources YouTube Channel
A Woodland Management Moment, Playlist, Purdue Extension – FNR YouTube Channel
Shrubs and Woody Vines of Indiana and the Midwest, The Education Store, Purdue Extension Resource Center
Native Trees of the Midwest, The Education Store
Investing in Indiana Woodlands, The Education Store
Forest Improvement Handbook, The Education Store
River Birch-Native Trees of Indiana River Walk, Purdue University Fort Wayne

Lenny Farlee, Sustaining Hardwood Extension Specialist
Purdue University Department of Forestry and Natural Resources

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