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Upcoming Events


May 23, 5:30 PM
 Maxwell Arboretum, East Campus

May 24, 12:00 PM
 NEBRASKA STATEWIDE ARBORETUM GREENHOUSE

May 25, 1:00 PM
 Southeast Community College

May 31, 12:00 PM
 NEBRASKA STATEWIDE ARBORETUM GREENHOUSE

Jun 7, 12:00 PM
 NEBRASKA STATEWIDE ARBORETUM GREENHOUSE

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Green Industry Resources

Garden Center Update

Green Industry Calendar

Hort Update- Seasonal Information for the Green Industry

Landscape Diagnostic Guide

Turf iNfo

UNL Viticulture

 

Drought Resources

University of Nebraska-Lincoln Extension has created a new website that offers resources for those dealing with drought.

Drought Resources graphic droughtresources.unl.edu

Tree & Shrub Selection Videos

Evergreen Trees
Evergreen Selection, 2/2012
Dwarf Evergreens, 5/2010
Good Evergreens for the Midwest, 5/2011

Fruit Tree
Good Fruit Tree Selection, 6/2009
Unusual Fruits- Persimmon, Pawpaw, Corneliancherry Dogwood, Dolgo Crabapple, 9/2008
Crabapples, 4/2010

ReTree Nebraska
ReTree Nebraska: Eight for 2008, 5/2008
ReTree Nebraska: Update 2009, 9/2009
ReTree Nebraska: Eleven for 2011, 8/2011

Selection
Diverse Evergreens for Windbreaks, 7/2012
Tree & Shrub Buying Keys, 4/2008
Tree Buying Tips, 5/2012
Shade Trees in the Landscape, Garden Steps with John Fech 6/2009
Placement of Ornamental Trees in the Landscape, Garden Steps with John Fech 6/2009
Plants for Fall Color, 10/2011

Shrubs
Drought Survivors: Shrubs, 9/2012
Picking and Pruning Hydrangeas, 4/2010
Shrub Roses, 8/2008
Shrubs for the Home Landscape, 8/2008
Spring Flowering Shrubs & Trees: Lilacs, Koreanspice viburnum, red flowering horsechestnut, northen lights azaleas & mountain silverbell, 5/2008
Ten Shrubs for Nebraska, 5/2010

Trees
Spring Blooming Trees, 5/2012
Trees for Western Nebraska: Ponderosa, limber, pinyon and bristlecone pines; rocky mountain juniper, 8/2010
Unusual Tree Forms, Sizes & Coloration: 'Jade Butterfly' gingko, 'Rainbow Pillar' serviceberry, 'Red Majestic' walkingstick, variegated Japanese pagoda dogwood, 'Cascade Falls' baldcypresss, 5/2010
Uniques Aspects of Beautiful Trees: Flowers, shape, color, bark, 4/2008

Winter Landscape
Ten Plants for Winter Interest, 2/2011

 

Tree & Shrub Management Videos

Damage Management
The Myth of Home Remedies, Garden Steps with John Fech 6/2009
Saving Hail Damaged Plants, 6/2009
Saving Hail Damaged Trees, 7/2009

Fall Care
Fall Clean Up, 9/2009

Fertilization
Tree & Shrub Fertilizing, Garden Steps with John Fech 5/2009

Flood
Care for Flooded Trees, 9/2011
Effects of Landscape Flooding, 7/2011
Flood Update-2012, 6/2012
Tree Survivors Following Flood, 9/2012

Insects
Bagworm Control, 5/2010

Planting
Fall Tree Planting 10/2010
Planting Bareroot Trees, 4/2011
Bareroot Planting at Dublin Nursery, 4/2007
Stem-girdling Roots 4/2013
Tree Planting: Container or Grow Bag?, 4/2010
Tree Planting Tips 4/2007
Tree Production in Grow Bags at Great Plains Nursery, 9/2009

Mulch
Inorganic Mulch, Garden Steps with John Fech 7/2009
Mulch Problems Solved, Garden Steps with John Fech 7/2009
Ten Mulches, 6/2011
The Benefits of Mulching, Garden Steps with John Fech 7/2009

Tree Inspection
Inspecting Your Home Trees, Garden Steps with John Fech 6/2009
Tree Hazards, 12/2011

Young Tree Care
Spring Care for Young Trees, 4/2009
Young Tree Care, 6/2007

Pruning Videos

Fruit
Pruning Grapevines, 5/2010
Pruning Raspberries, 4/2011

Shrubs
Pruning Hydrangea, 4/2012
Pruning Hedges, 4/2010
Spring Pruning, 5/2007

Tools
Chainsaw Safety, 8/2012
Pruning Tools for Beginners, 4/2011

Trees
Small Tree Removal, 8/2012

Frequently Asked Questions

Trees & Shrubs
  1.  Large sections of the outer branches on my holly bush have brown, dried leaves this spring. It was fine in the fall, but now I'm finding all these brown leaves. What's going on? Dessication
     
  2. A couple of evergreen questions with similar problems, even though the trees are different.  Forty 1-year old pines are turning yellowish on the south side of the trees in late April.  The south side does get more wind than the other side. The second tree is an arborvitae that is also turning brown.  What is happening? Dessication
     
  3. Parts of my juniper tree are turning brown. When I look closely I see there are many small cocoons hanging from underneath the branches. What's damaging my tree? Bagworms
     
  4. My Austrian pine tree has a lot of brown needles. What's the problem? Dothistroma needle blight
     
  5. Suddenly this fall, my evergreen trees have many needles that are starting to change color or turn yellow. My trees aren't dying, are they? Natural needle drop
     
  6. My ornamental plum tree has large black swellings on several of the branches. What is this and will it kill my tree? Black knot gall
     
  7. Is there something that can be applied around the ash trees to keep them from getting Emerald Ash borer (EAB)? Emerald Ash borer
     
  8. My lilac is not growing well and some stems are even dying.  What is wrong? Oystershell scale
Tree Diseases
  1. My Austrian pine tree has a lot of brown needles.  What's the problem? Dothistroma needle blight
     
  2. Cedar trees in my windbreak are turning brown at the base. I can't find any insects, but it's getting worse every year. What's wrong? Cercospora blight

  3. Suddenly this fall, my evergreen trees have many needles that are starting to change color or turn yellow. My trees aren't dying, are they? Natural needle drop
     
  4. I'm worried about this disease of pine trees I have been hearing about. What is it and can it be prevented? Pine wilt
     
  5. My ornamental plum tree has large black swellings on several branches.  What is this and will it kill my tree? Black knot gall
     
  6. My crabapple tree is dropping leaves like crazy! Almost half the foliage is gone and the remaining leaves have orangish-spots. Cedar-apple rust
     
  7. My Ash tree has orange spots on the leaves and some leaves are falling.  Is this a disease? Ash rust

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Local Conditions

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Dry conditions persist throughout Nebraska.  Stay informed on current conditions, and public water utilities restricting water use. Visit UNL Drought Resources.

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