Tree care / repair
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 1 Japanese Maple Why top when proper thinning looks so much better |  2 NOTE > Did you know ? TO FIND LARGE VIEWS: click tiny links when in slideshow mode |  3 Prevent sunburned trunks A planting option for sunburn protection is window screen |
 4 Kerby Oregon Treehouse For a treehouse, consider stilt supports to lessen damage |  5 Small tree - 1/16" cable Aid to hold weak "V" union. Small tree homeowner option |  6 Crimping tool Molds ferrule tight on cable |
 7 Portland treehouse Treehouse with stilt support: anchored for trunk growth |  8 Spruce Likely natural graft of two trees when young. Near Seaside |   9VIDEO: Branch Removal Removing branch with 3 Cut method to avoid bark tearing |
 10 Wrapping chain - bad idea Homeowner wrapped trunk with chain. Bad for tree tissue |  11 Remove chain / add cable. Inserting anchors is better than wrapping chain or cable |  12 Aerating compact soil Tree leaned due to soil damage from building construction |
 13 Tualatin Before 2004 Tree rubs gutter / roof - needs redirection |  14 Tualatin: Shift Caonpy Select best leaders, then let canopy re-develop |  15 Tualatin 5 yrs. later 2009 No shortage of growth. Looks ready for thinning. |
 16 Girdled by staking rope Deodar cedar strangled by rope left on from staking |  17 Flowering plum dissected Dark is weak included bark - no bond. Pruning neglect |  18 Maple previously topped Topping caused brown decay 10\' or more downward |
 19 Leyland cypress - 21 years 45\' wide canopy already! Not a good small area hedge tree |  20 Tree in deck Don\'t wait until the trunk grows into wood. |  21 Tree in deck / same Cut away wood to allow room for growth. |
 22 Salvaging a tree Girdled with wire. Topping cut transformed limbs to leaders |  23 Hand cut Proper outside branch collar leaves bump - blade on tree side |  24 Topiary pine tree Need shearing when new needles emerge from "candles" |
 25 Wood decay Not always fatal - fungal conk growth are evidence of decay |  26 Root preservation At times it is better to tunnel under a root instead of cutting |  27 Excluded bark ridge Bark between leaders ridges up, stronger than bark enfolded |
 28 Proper hand saw cut Don\'t cut center bark ridge when removing codominant stem |  29 branch collar on cedar On most trees, the branch collar should remain uncut |  30 Cut on same cedar tree A proper pruning cut leaving the undamaged branch collar |
 31 Improper branch removal Failure to remove limbs in pieces, caused bark tearing |  32 Wide branch angle "U" shape unions ideal for strengthening wood layer growth |  33 Topped tree One name for this is hat-racking. Damaging way to cut trees |
 34 Sunburn Trunk sunburned because other trees shading it were removed |  35 Embedded hook Don\'t hang plants by hooking a branch. Thread an eye instead |  36 Bronze birch borer Evidence of bronze birch borers are the "D" shaped holes |
 37 Included bark When bark enfolds, no good union of wood buildup occurs |  38 A dead stub left in place If the stub was cut, tissue could grow over right away |  39 Dead birch tree pair Multiple dead trees are a red flag to look at the habitat |
 40 A conk An external growth of wood decay fungus is called a "conk" |  41 "V" shape union failure This should have been cut when finger size, at planting |  42 Trenching for root barrier If roots have already invaded, cut them as cleanly as possible |
 43 Slide barrier into trench Easy install. Slide it in and fill soil back in the trench |  44 Bacterial wetwood / maple Bacterial wetwood. Causes decay resistance, but hinders closure |  45 Bacterial disease in cherry Amber jell is a symptom of bacterial canker. Just live with it |
 46 Big cavity in large oak A wound like this should not be filled with concrete |  47 Oak galls Oak apples. From wasps eggs and larvae - no need for concern |  48 Tree stakes not needed here Don\'t leave tree stakes for more than a year |
 49 Paperbark Maple Peeling bark not always a bad sign. This is paperbark maple |  50 Lighting Damage Douglas fir with lightning damage in Hoyt Arboretum |  51 Sunburn damage Removal of neighbor\'s trees sunburned west side bark |
 52 Grafted tissue Pruning judgement: tissue grafted? Cut stub or leave some? |  53 Rainy weather splits tree Weak V-shape union. Broke from 1st summer rain & breeze |  54 Fasciation on Flowering Cherry Fasciation abnormality A few are no crisis. Just prune |
 55 Converting sprout to a spur No need to remove all sprouts. Some can become fruit spurs |  56 Tree burned by hedge fire 1 of about 4 trees charred by juniper hedge that ignited |  57 Cut sprout Cut to about 1 or 2 buds long, then wait |
 58 Left-overs of a V union Another flowering plum dissected to show included bark from weak V union. |  59 Fruit spur Closeup for 5 cuts |  60 A couple of years later Now it is ready for flowering and fruiting |
 61 Fruit spur Close-up of fruit spur |  62 Good mushrooms Growth of mycorrhizal fungi living with tree roots |  63 Central Point House and Tree Failure to maintain trees can be dangerous |
 64 Bladder mites Small mites trigger reaction on leaf surface. No big deal |  65 Tree roots and rocks Amazing how trees adapt. Rock is not ideal for root growth |  66 This is not pollarding Proper pollarding is not grotesque like this amateur hack job |
 67 Oregon Caves When bent, trees self-straighten with cell development |  68 Pine pitch moth larvae After pulling a chunk of pitch away, the larvae is visible |  69 Tree Roots - Wind Damage This shows where the term root plate comes from |
 70 Tualatin, Oregon Fasciated tips on red maple street tree. 1 of a dozen like this |  71 Verticillium Wilt Can kill maples. Sometimes dark streaks are present |  72 Cedar bark damage Construction company trailer was backed into this deodar cedar |
 73 Cedar bark Bark trim. 4" of bark on left was separated |  74 Dead White Birch What killed it? Probably topping and root damage |  75 Birch 2 Topped section at left. Hollow decay several feet in |
 76 Birch 3 Compost and inner brown wood are the most decayed |  77 Birch 3 In following frames, the decay width becomes more narrow |  78 Birch 5 A view of the full remaining 20 feet of trunk |
 79 Birch 6 The trunk dissected into 5\' sections to investigate |  80 Birch 7 Next section downward: decay zone from topping narrows |  81 Birch 8 Nest piece: topping decay zone more narrow yet |
 82 Birch 9 8\' from stump, decay zone widens. Probable root damage |  83 Birch 10 Pieces closest to stump: almost entire decay within |  84 Birch 11 Closeup of section a couple of feet up the trunk |
 85 Birch 12 Same section of trunk and partial view of next piece |  86 Birch 13 Top of 4" stump. The decay has to extend from root to trunk |  87 Sunburn Damage October brown tips. Sunburn from fast change to hot sunny days |
 88 Living compost bin Composted decay oozes from concrete filled old apple trunk |  89 Borers in Port Orford Wood dust and small holes. Borers killed this P. O. cedar |  90 Included Bark Bark was not the problem: just showing how bark gets encased |
 91 Thrashed Apple Tree Lightnigh damage, concrete fill, rusty rod: the end is near | ||