Tsuga canadensis from seed
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4 years ago
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Tsugas canadensis and allelopathy
Comments (8)Brandon is correct in the assumption that most trees have some sort of allelopathic properties but few possess this attribute in sufficient concentrations to be of concern or are restricted in the type of plants their specific allelopathy pertains to. FWIW, Picea pungens is considered to have a higher degree of allelopathic effect than Tsuga canadensis, so if this WAS the issue, your neighbor's tree would be of greater suspect in causing distress for your own tree rather than the other way around. I think we are looking at other reasons - several of them already posed - that are causing the Fat Albert's distress. btw, poison hemlock, Conium maculatum, is not a type of nightshade but a member of the carrot family, Apiaceae (formerly Umbelliferae), which includes a number of common herbs and weeds. It grows freely all over the very rural area where I live and considered a noxious weed. It also has minimal allelopathic characteristics so even if growing adjacent to the picea and/or the hemlock, unlikely to be causing problems for them but could very well cause problems - lethal problems - for any humans or animals that may accidentally ingest it. Here is a link that might be useful: allelopathy of various tree species...See MoreRooting Eastern Hemlock (Tsuga canadensis).
Comments (50)Update: June 17th, woke up to heavy, pouring rain in the night, wouldn't have been so bad if it hadn't came down at a 45d angle perfectly from the NE. Found the covering on my totes compromised. They were in a corner, up against the north side of the house and east side of cement front steps with a 2 foot overhang on the single story roof and a 6 ft. tall, fully branched/leafed sand cherry shrub protecting them on the North side. Nice bright area with a little evening sunset hitting the north wall of the house just above the totes. So there I was at @ 2:00 in the morning putting things back to normal. The pail with the Thuja was half full of water. Brought things into the garage. The cups were floating around at different angles with media mostly outside the cups. Checked for roots and found no sign of anything happening there so decided to discard the Thuja so that is finished. Tsuga wasn't hit as hard, water was plenty high and a few of the cups partially tipped. They were tighter grouped and only one or two had the media partially disturbed. All of them were thoroughly soaked from the rain. The Tsuga looked reasonably good, some have a few dead needles but there are a few, if not several, that are entirely green and some of them show what appears to be a small amount of new growth along the stem and branch tips. I can see no signs of mold or fungus. There is some algae evident but I assume this is because of the small amount of diffused sunlight the tote receives now that it is outside? We'll know more in another month or so. I don't plan to do anything with them until at least the first week in August. Picture of what things looked like before the storm: We (almost) never get rain at that angle. I had rubber binders around the top, holding the plastic on but the rain came so hard and fast that it stretched the plastic downward and filled up the sag in the plastic until it was so heavy that it pulled the plastic out from the binders allowing the water to pour in. Murphy's law?...See MoreAmatuer attempt to root Tsuga Canadensis cuttings. Help!
Comments (11)I know a lot of people here frequent more than this forum and I posted this same thing over on the Conifer Forum thread: but thought I'd put it here too for those finding this thread using a web search. Thanks again windberry for the advice. I'm actually feeling a little more confident doing it this way than if you hadn't commented on this post. That doesn't mean I'll have success but at least I feel better about it. LOL! 1-24-18 Forecast next week for single digits below and single digits above zero so I thought I'd get to it before the weekend. 70% perlite, 30% peat rooting media (9oz plastic cups filled to 1/4" of top, drainage holes in bottom). Watered media wet with distilled water mixed with a Tbsp. or two of 3% hydrogen peroxide per quart. Did this early in the day. Cuttings taken ~11 AM (20's F outside temp). Immediately brought into house and cut to approx. 10"L. All pieces were part of a competing leader so top leader/branches were good size (> 1/8" dia.) with some of the lower shoots/branches a bit more spindly (<= 1/8" dia.). New growth reduced by clipping to uniform length. Basal ends cut close to and containing a small slice of the parent leader/bark at sharp angle, stripped of green material for 1/3 up from the bottom, wounded along one side and dipped for 5 seconds in 1:1 Dip & Grow/distilled water solution. Planted in pre-formed planting holes approx. 3" deep. Settled media around stem by finger pressing and watering with a small amount distilled water directly onto planting hole area. Placed trays on 17w. horticultural heat mat. Will monitor temperatures but so far, after a couple of hours, thermometer in cup media barely making 70dF with ambient room temperature hovering around 60dF. Hoping for low 70's media but this is better than overheating which I thought might happen without a thermostat. But so far so good. :-)Yes, those are (6) Thuja occidentalis in the two outside trays. Lucked out and got a branch from a neighbor the same day I was cutting so wanted to try a few....See MoreAnyone else growing Tsuga canadensis in usda zone 3?
Comments (152)I was thinking of getting a weeping white spruce (picea glauca) to put in the place of the hemlock but after seeing what they cost, it was hard to convince DW to fork out another $300-500 to get one of any size and I'm not patient enough to start with a very small one. My next thought was picea abies would look nice there but for some reason, nobody seemed to carry the smaller potted trees anymore around my area. All types of spruces were high priced and seemed to be hard to find this year, for some reason. Finally, I found a tree grower who was gracious enough to sell me a potted P. Abies from his stock he'll be planting soon. I waited over an hour at his fields while he tended to customers, but it was worth the wait. I was expecting a seedling in a half gallon pot, but was happy to see it was a 30" tree in a 3 gal. pot. :-) He explained to me how to slit the sides of the root ball before planting, which I did but when I tried to find the root flare, the red flags went off. I took off over 1-1/2" of extra soil from the top layer in the pot before finding the root flare. In turn found a couple of good-sized roots growing up from the top of the root flare and were circling around the trunk area in that top layer of soil. (You can see the white spots of the snipped roots just right of trunk (next pic) and the soil line (dark part of trunk) where the original soil line was in the pot). I've read that P. Abies isn't as fussy as most trees are about getting planted too deep but didn't want to take chances and circling roots are never a good idea to leave without fixing. So anyways, got the P. Abies species tree planted, and it shouldn't be long for it to start looking nice. The buds were just breaking when I was planting today. 77df. When clearing the old mulch for planting, I found at least 3" deep of composted wood mulch under the top layer of mulch, I suppose from the last 7 years of applying mulch around the hemlock. Now you know 'The rest of the story'. ;-)...See MoreUser
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Brandon Johnson Zone 5b