Insect and disease problems occur throughout the landscape, and can be a confusing topic. When you need suggestions for treatment, or help with identification, this is the place to start.
Topic Topic Starter Replies Views Last Post
Seiridium canker? Darbo 0 135
Friday August 01, 2008 08:08 AM
is this the start of oak wilt? <mega> 1 406
Sunday May 20, 2007 11:29 PM
by Russ Carlson
I think my Cleveland Pear is dying! Help <Lindsay> 0 1146
Sunday September 10, 2006 11:33 AM
Crimson Frost Birch Problems <Needhelp> 0 869
Sunday August 20, 2006 10:50 AM
Liquid Amber Trees - Die-back Jocular 2 2379
Wednesday August 02, 2006 09:56 AM
by Bill
some brown leaves on post 150 yr. post oak Darbo 2 621
Tuesday June 13, 2006 09:59 PM
by Darbo
Healing Birch? <Anna K.> 2 577
Tuesday June 06, 2006 11:32 AM
by <Anna>
My cleveland pear needs help! mddjb 1 4959
Monday June 05, 2006 11:55 AM
by Russ Carlson
Birch Tree Leaf Disease <fred> 1 2166
Tuesday May 30, 2006 09:46 PM
by Russ Carlson
Inkberry chlorosis Ron 1 758
Saturday May 13, 2006 06:22 PM
by Newt
Save my Birch tree !!! <azzomum> 1 749
Friday May 12, 2006 02:48 PM
by <azzomum>
purple leaf plum tree kleighnjosiesmom 1 1424
Thursday April 27, 2006 12:46 PM
by Russ Carlson
Maple Transplant-Desperate for answers <kathysmith30> 0 527
Monday April 17, 2006 11:19 AM
best application <bruno> 0 434
Friday April 14, 2006 12:19 AM
Cottonwood borers Nate - Austin 1 929
Thursday February 16, 2006 10:03 PM
by <Jeff>
Leopard moth Zeuzera pyrina <Russ Carlson> 10 2366
Saturday November 19, 2005 01:03 AM
by <Mahmoud sadjadi>
maple leaves w black spots and wilting <Christopher Huff> 3 2570
Saturday September 24, 2005 05:06 PM
by <gailgorman>
Dying Ficus nitida trees! TCochran 3 3593
Wednesday September 14, 2005 04:17 AM
by Newt
Pear tree ... to die or not to die.. daary 1 1268
Wednesday September 14, 2005 04:06 AM
by Newt
cleveland pear tree <steph> 0 4876
Sunday August 07, 2005 09:41 PM
Pythium fungus <TCochran> 0 712
Saturday August 06, 2005 10:53 PM
River Birch - yellowish leaves and dropping <RAP - Southern MN> 3 1622
Saturday August 06, 2005 10:37 AM
by <Woodsie>
Brown patches on Autumn Blaze Maple <Clare> 3 4091
Thursday July 28, 2005 10:51 PM
by <Teri>
Galls on white pine <Ric> 0 678
Friday July 15, 2005 09:12 AM
squirrel damage to Japanese Zelkova <Mark Goodwin> 6 2682
Tuesday July 05, 2005 09:05 AM
by <Briansmaple>
Washington Hawthorne insects & disease <Carol> 6 4503
Thursday June 30, 2005 04:13 PM
by <K Ann>
Autumn Blaze Maple <Mike Tillaart> 2 1966
Sunday June 19, 2005 08:27 PM
by <Aceraceae>
Armillatox <Guy> 4 1685
Friday June 10, 2005 03:15 PM
by <Ernest Parkin>
Japanese Maple leaf damage at ends <Robert> 3 4383
Thursday May 19, 2005 09:30 PM
by <Rose Kline>
Emerald Ash Borer <AResearch> 0 717
Monday May 09, 2005 02:44 PM
possible human infection of tree parasite <Kaye> 5 2916
Sunday May 01, 2005 05:58 PM
by <jenny>
Very good web site for indentifying diseases H. Angers 1 1395
Monday April 18, 2005 05:51 PM
by <delores>
pro carpenter ants? <Ryan> 1 1292
Friday July 30, 2004 10:01 PM
by Russ Carlson
Oxyporus populinus jezz 1 1065
Saturday March 06, 2004 04:42 PM
by Jerry
Color Signature of Disease? <Mark> 4 1228
Monday November 17, 2003 10:55 PM
by <Mark>
Bacterial canker in Norway maples John Paul Sanborn 2 1137
Sunday November 16, 2003 05:38 PM
by joe
fungi <Paul> 1 1070
Friday October 10, 2003 10:16 PM
by Russ Carlson
Bleeding from pruning cuts on Eastern White Pine <Rick Lipsitt> 2 1440
Sunday September 07, 2003 09:13 PM
by <Rick Lipsitt>
Inonotus, Phellinus pini... <Dan> 0 825
Friday August 29, 2003 04:31 AM
Deodar, dying <Peter Torres> 9 1744
Monday August 25, 2003 04:57 PM
by <Mark>
HELP!!!carpenter ant nest/gaping hole <doreen> 2 1209
Friday July 25, 2003 08:13 AM
by <Billy Davis>
Bradford Pear-holes in trunk jswank 2 1767
Monday June 30, 2003 02:51 PM
by Russ Carlson
oak petiole borer Russ Carlson 10 1859
Monday June 30, 2003 02:49 PM
by <Scott>
2000 Montezuma cypresses 5km along river, dying <Pierre T Marchebout Urrea> 4 1266
Tuesday June 24, 2003 05:07 PM
by <Pierre Marchebout>
birch tree disease <wilf smith> 5 3134
Monday June 02, 2003 04:16 AM
by <Steve Hayes>
edges of leaves on bradford pear turning brown <APRIL> 0 1246
Saturday May 31, 2003 11:49 AM
white pine disease <Peter Larson> 3 1228
Friday May 23, 2003 12:00 PM
by <Mark Goodwin>
Patterns of butt decay in sycamores <Mark Goodwin> 4 1154
Wednesday May 21, 2003 07:01 AM
by <Jerry>
Lost 6 Maple trees that were 10 yrs old HELP <Larry> 3 1255
Sunday May 18, 2003 08:20 AM
by <Mark Goodwin>
5 YR CEDAR HEDGE DYING <Robert Cousins> 1 1272
Sunday May 18, 2003 01:59 AM
by <Mark Goodwin>