 enlarge 143KB, 640x480 1 Japanese Maple Why top when proper thinning looks so much better
|  enlarge 65KB, 640x497 2 NOTE > Did you know ? TO FIND LARGE VIEWS: click tiny links when in slideshow mode
|  enlarge 138KB, 640x480 3 Prevent sunburned trunks A planting option for sunburn protection is window screen
|
 enlarge 119KB, 640x480 4 Kerby Oregon Treehouse For a treehouse, consider stilt supports to lessen damage
|  enlarge 96KB, 640x483 5 Small tree - 1/16" cable Aid to hold weak "V" union. Small tree homeowner option
|  enlarge 121KB, 640x478 6 Crimping tool Molds ferrule tight on cable
|
 enlarge 78KB, 640x480 7 Portland treehouse Treehouse with stilt support: anchored for trunk growth
|  enlarge 126KB, 640x417 8 Spruce Likely natural graft of two trees when young. Near Seaside
|  enlarge 1.07MB, 640x480
9 VIDEO: Branch Removal Removing branch with 3 Cut method to avoid bark tearing
|
 enlarge 115KB, 640x480 10 Wrapping chain - bad idea Homeowner wrapped trunk with chain. Bad for tree tissue
|  enlarge 133KB, 640x480 11 Remove chain / add cable. Inserting anchors is better than wrapping chain or cable
|  enlarge 152KB, 640x480 12 Aerating compact soil Tree leaned due to soil damage from building construction
|
 enlarge 118KB, 640x480 13 Tualatin Before 2004 Tree rubs gutter / roof - needs redirection
|  enlarge 86KB, 640x480 14 Tualatin: Shift Caonpy Select best leaders, then let canopy re-develop
|  enlarge 101KB, 640x480 15 Tualatin 5 yrs. later 2009 No shortage of growth. Looks ready for thinning.
|
 enlarge 135KB, 640x480 16 Girdled by staking rope Deodar cedar strangled by rope left on from staking
|  enlarge 56KB, 640x480 17 Flowering plum dissected Dark is weak included bark - no bond. Pruning neglect
|  enlarge 121KB, 640x480 18 Maple previously topped Topping caused brown decay 10' or more downward
|
 enlarge 105KB, 640x480 19 Leyland cypress - 21 years 45' wide canopy already! Not a good small area hedge tree
|  enlarge 62KB, 640x480 20 Tree in deck Don't wait until the trunk grows into wood.
|  enlarge 69KB, 640x480 21 Tree in deck / same Cut away wood to allow room for growth.
|
 enlarge 108KB, 640x480 22 Salvaging a tree Girdled with wire. Topping cut transformed limbs to leaders
|  enlarge 73KB, 640x480 23 Hand cut Proper outside branch collar leaves bump - blade on tree side
|  enlarge 0KB, 640x444 24 Topiary pine tree Need shearing when new needles emerge from "candles"
|
 enlarge 142KB, 640x480 25 Wood decay Not always fatal - fungal conk growth are evidence of decay
|  enlarge 138KB, 640x480 26 Root preservation At times it is better to tunnel under a root instead of cutting
|  enlarge 121KB, 640x480 27 Excluded bark ridge Bark between leaders ridges up, stronger than bark enfolded
|
 enlarge 93KB, 640x480 28 Proper hand saw cut Don't cut center bark ridge when removing codominant stem
|  enlarge 120KB, 640x480 29 branch collar on cedar On most trees, the branch collar should remain uncut
|  enlarge 102KB, 640x480 30 Cut on same cedar tree A proper pruning cut leaving the undamaged branch collar
|
 enlarge 135KB, 640x480 31 Improper branch removal Failure to remove limbs in pieces, caused bark tearing
|  enlarge 113KB, 640x480 32 Wide branch angle "U" shape unions ideal for strengthening wood layer growth
|  enlarge 63KB, 640x480 33 Topped tree One name for this is hat-racking. Damaging way to cut trees
|
 enlarge 65KB, 640x480 34 Sunburn Trunk sunburned because other trees shading it were removed
|  enlarge 78KB, 640x480 35 Embedded hook Don't hang plants by hooking a branch. Thread an eye instead
|  enlarge 68KB, 640x474 36 Bronze birch borer Evidence of bronze birch borers are the "D" shaped holes
|
 enlarge 104KB, 640x480 37 Included bark When bark enfolds, no good union of wood buildup occurs
|  enlarge 95KB, 640x480 38 A dead stub left in place If the stub was cut, tissue could grow over right away
|  enlarge 122KB, 640x480 39 Dead birch tree pair Multiple dead trees are a red flag to look at the habitat
|
 enlarge 82KB, 640x480 40 A conk An external growth of wood decay fungus is called a "conk"
|  enlarge 143KB, 640x480 41 "V" shape union failure This should have been cut when finger size, at planting
|  enlarge 103KB, 640x480 42 Trenching for root barrier If roots have already invaded, cut them as cleanly as possible
|
 enlarge 93KB, 640x480 43 Slide barrier into trench Easy install. Slide it in and fill soil back in the trench
|  enlarge 91KB, 640x480 44 Bacterial wetwood / maple Bacterial wetwood. Causes decay resistance, but hinders closure
|  enlarge 101KB, 640x480 45 Bacterial disease in cherry Amber jell is a symptom of bacterial canker. Just live with it
|
 enlarge 101KB, 640x480 46 Big cavity in large oak A wound like this should not be filled with concrete
|  enlarge 69KB, 640x480 47 Oak galls Oak apples. From wasps eggs and larvae - no need for concern
|  enlarge 97KB, 640x480 48 Tree stakes not needed here Don't leave tree stakes for more than a year
|
 enlarge 141KB, 640x480 49 Paperbark Maple Peeling bark not always a bad sign. This is paperbark maple
|  enlarge 102KB, 640x480 50 Lighting Damage Douglas fir with lightning damage in Hoyt Arboretum
|  enlarge 105KB, 640x480 51 Sunburn damage Removal of neighbor's trees sunburned west side bark
|
 enlarge 90KB, 640x480 52 Grafted tissue Pruning judgement: tissue grafted? Cut stub or leave some?
|  enlarge 134KB, 640x480 53 Rainy weather splits tree Weak V-shape union. Broke from 1st summer rain & breeze
|  enlarge 35KB, 640x480 54 Fasciation on Flowering Cherry Fasciation abnormality A few are no crisis. Just prune
|
 enlarge 58KB, 640x480 55 Converting sprout to a spur No need to remove all sprouts. Some can become fruit spurs
|  enlarge 124KB, 640x480 56 Tree burned by hedge fire 1 of about 4 trees charred by juniper hedge that ignited
|  enlarge 52KB, 640x480 57 Cut sprout Cut to about 1 or 2 buds long, then wait
|
 enlarge 76KB, 640x480 58 Left-overs of a V union Another flowering plum dissected to show included bark from weak V union.
|  enlarge 48KB, 563x640 59 Fruit spur Closeup for 5 cuts
|  enlarge 38KB, 640x480 60 A couple of years later Now it is ready for flowering and fruiting
|
 enlarge 47KB, 634x640 61 Fruit spur Close-up of fruit spur
|  enlarge 135KB, 640x480 62 Good mushrooms Growth of mycorrhizal fungi living with tree roots
|  enlarge 118KB, 640x480 63 Central Point House and Tree Failure to maintain trees can be dangerous
|
 enlarge 98KB, 640x480 64 Bladder mites Small mites trigger reaction on leaf surface. No big deal
|  enlarge 90KB, 640x480 65 Tree roots and rocks Amazing how trees adapt. Rock is not ideal for root growth
|  enlarge 73KB, 640x480 66 This is not pollarding Proper pollarding is not grotesque like this amateur hack job
|
 enlarge 121KB, 640x480 67 Oregon Caves When bent, trees self-straighten with cell development
|  enlarge 98KB, 640x450 68 Pine pitch moth larvae After pulling a chunk of pitch away, the larvae is visible
|  enlarge 119KB, 640x480 69 Tree Roots - Wind Damage This shows where the term root plate comes from
|
 enlarge 54KB, 640x480 70 Tualatin, Oregon Fasciated tips on red maple street tree. 1 of a dozen like this
|  enlarge 63KB, 640x480 71 Verticillium Wilt Can kill maples. Sometimes dark streaks are present
|  enlarge 116KB, 640x480 72 Cedar bark damage Construction company trailer was backed into this deodar cedar
|
 enlarge 102KB, 640x480 73 Cedar bark Bark trim. 4" of bark on left was separated
|  enlarge 113KB, 640x480 74 Dead White Birch What killed it? Probably topping and root damage
|  enlarge 124KB, 640x480 75 Birch 2 Topped section at left. Hollow decay several feet in
|
 enlarge 99KB, 640x480 76 Birch 3 Compost and inner brown wood are the most decayed
|  enlarge 112KB, 640x480 77 Birch 3 In following frames, the decay width becomes more narrow
|  enlarge 87KB, 640x480 78 Birch 5 A view of the full remaining 20 feet of trunk
|
 enlarge 99KB, 640x480 79 Birch 6 The trunk dissected into 5' sections to investigate
|  enlarge 98KB, 640x480 80 Birch 7 Next section downward: decay zone from topping narrows
|  enlarge 100KB, 640x480 81 Birch 8 Nest piece: topping decay zone more narrow yet
|
 enlarge 119KB, 640x480 82 Birch 9 8' from stump, decay zone widens. Probable root damage
|  enlarge 124KB, 640x480 83 Birch 10 Pieces closest to stump: almost entire decay within
|  enlarge 94KB, 640x480 84 Birch 11 Closeup of section a couple of feet up the trunk
|
 enlarge 109KB, 640x480 85 Birch 12 Same section of trunk and partial view of next piece
|  enlarge 97KB, 640x480 86 Birch 13 Top of 4" stump. The decay has to extend from root to trunk
|  enlarge 127KB, 640x480 87 Sunburn Damage October brown tips. Sunburn from fast change to hot sunny days
|
 enlarge 115KB, 640x480 88 Living compost bin Composted decay oozes from concrete filled old apple trunk
|  enlarge 88KB, 640x480 89 Borers in Port Orford Wood dust and small holes. Borers killed this P. O. cedar
|  enlarge 82KB, 640x480 90 Included Bark Bark was not the problem: just showing how bark gets encased
|
 enlarge 101KB, 640x480 91 Thrashed Apple Tree Lightnigh damage, concrete fill, rusty rod: the end is near
| |