“At full maturity now, we have found that pruning is best accomplished in early spring. Triple Crown blackberry is named for its three attributes; flavor, productivity and vigor. The part about lifting the trailing primocane to a more erect position the next year and breaking the cane base is a distinct possibility. 270 locations nationwide! Just remember: Most blackberry plants grow to be an average of 4-5 feet tall and wide. Camp10 setup is simple enough. and is as good as when I first put them up. I might even go with 4 plants, having each one between 2 stakes. I also found out the secret for telling when the black ones are sweet--they take on a dullish look, slip easily from the vine, and also look like they're about to explode they're so full! I currently have a mix of erect blackberries in a bed in my back yard (Navaho, Arapaho, Apache). 3 field stakes will not support a 28-foot row of 3crown blackberries long-term. The key is to prune your canes to fit the trellis. That would give more growing room and take away some weight bearing from the primary 3 stakes, and would also help from leaning-- at least in one direction. The plant is semi-erect and produces fairly large fruit with a strong juicy sweet blackberry flavour late in the season. If so, I'll have to brace somehow. Does this make sense? The main point is to make sure it's sturdy. In short, I just can't see that there is one right way to build a trellis, or space the plants. That is what I do. Never rely on just one cane; aphid and bird attacks can deform and stunt them. This would allow me to keep flouricanes and primocanes separated, and would give me a systematic method for trellising the plants. Three crowning attributes – excellent flavour, productivity and vigour! Good luck!-Glenn. That next season, I would again allow the primocanes to sprawl on the ground. Food and Drinks. It’s also disease resistant and grows huge berries. Maintain adequate space between the blackberry rows when you trellis thornless blackberries. I planted 6 vines last spring on 5' intervals and they put out thin, leggy canes that ran up to 12' on the ground. We let the plants grow all autumn, until they completely grow over the 6-foot trellis and down to the ground on the other side.” You will get a nice starter plant . ‘Triple Crown’ is a semi-erect, thornless blackberry cultivar. Genus name is the Latin name for brambles (blackberry and raspberry). Nov 21, 2017 - Make room in your yard for Triple Crown Thornless Blackberries and you will have access to some of the most amazing berries around. Thornless blackberries grow to about 5 feet tall with an equal spread. The large, sweet berries are delicious and grow on a semi-erect, thornless blackberry plant. One of the U-picks I mentioned above plants at 10-12' spacing but doesn't prune his primocanes at all. Then over the last 2 weeks we got almost 3" rain which really did the trick. The berries are huge--bigger than my thumb and have been turning black for about 4 weeks. I have another bed where I want to add Triple Crown (semi erect). Remember that every place there are leaves on a lateral may have a fruiting spur the next year. 2) Sort of related to #1, would it be best to wait until the second season to train the 2nd year canes (flouricanes) or should I train 1st year canes (primocanes) immediately after the flouricanes berry and are subsequently removed? They are easy to tell apart. Just prune off whatever is in the way. Is it ok to cut a 20 ft cane back to 6 ft (or does that "heading off" need to be done throughout the summer)? They produce so much growth it becomes a jungle in there and the weight of the berries is significant. All that foliage attached to the trellis catches a lot of wind. Thornless and semi-erect growing (although we still recommend a trellis due to Kootenay snow). That way after fruiting, I could remove the flouricanes and the following late winter/early spring, train the prior season's primocanes (current season's flouricanes) to the trellis. Eventually they took off growing again - just no fruit. Here are some links showing what I'm trying to do:http://extension.oregonstate.edu/catalog/html/ec/ec1303/ (scroll down to middle of page), http://cesonoma.ucdavis.edu/hortic/pdf/blackberries.pdf (scroll down to middle of page, labeled as "Two Wire Blackberry Trellis". ‘Triple Crown’ Blackberry $ 15.00 – $ 40.00. Top-prune your canes in summer when they are about a foot taller in height than you want, then prune off that foot. We are also unsure of when/how to prune/head back the primocanes. I can easily extend another 2'+ by putting my trellis stakes 1'+ away from each end of the bed. I disagree with opinion that steel posts do not last. I definitely agree with treated 8 ft 4x4's. No setup fees. If you put guy wires and anchors on each end as you should, neither steel posts or wood posts will sag. the weight of the plants and fruit will pull them inward causing the wire to sag. Consequently he gets 25' canes and not very many laterals. Now, it is October. There's a million ways to do a trellis. Any thoughts? As far as I understand Mr. Rogers, his method is exactly what I do. A 14-foot span is quite practical for this type of trellis, though you can find 16-foot 2x4's. I don't know how Olpea does it, but if I were to allow the primocanes to sprawl and grow as they like, I would have primocanes growing in all directions -- out in the lawn, over the adjoining fence on the other side, and everywhere underfoot. That bed is about 28' long and 6' - 7' wide. I don't have a post hole digger and handling and setting 8' treated 4"x4" posts would be quite difficult. Both can easily be supported simultaneously on the same strong trellis, preferably about 7 feet tall. This is the setup for all my cane fruits, but I'm going to experiment with the hill method on some new black raspberries this year. I still recommend using an an anchor placed about 2 to 3 ft. from the end posts. That way, I would have the strength of two stakes on each end and one stake in the middle. Then you can start tying the new primocanes to the trellis. If you keep your cane count to a small number, the stakes may hold. I just want to make sure these canes are going to grow and thrive before I put too much money or effort into it. If you look at my "My Page" pics, you'll see that I use black iron pipe, though Jellyman thinks I use too many wires. YEAR for these berries I plan to take out ever other plant, My question is when would be the best time of year to transplant them, this is in zone 5 , I have my trellises ready, Can someone give me some advice as when would be the best time........RICH, Here is a link that might be useful: GardenWeb. Should we still get some pruning in this fall? Zerys is a comprehensive content marketing platform that makes it easy to plan, produce, edit, and publish extraordinary content your readers will love. All our experts are also professional writers in the Zerys network! I tried the cheap green posts on my raspberries and they didn't work at all. The diagrams I've seen show the two wires about 18" apart. Pretend you are growing Christmas trees, you don't even need wires. We are left with tons of green growth - canes up to 20 ft long. Thornless blackberries fruit on second-year wood and then those canes brown and wither after summer ends. By late September/early Occtober, many of them would begin to tiproot -- which is fine if you need more plants, but a nuisance otherwise. Also remember on spacing that if you plant 8 ft apart you only leave 4 ft.for each plant to grow outward before they begin to cross each other. Does this make sense? The canes really don't weigh that much. Nov 19, 2016 - Make room in your yard for Triple Crown Thornless Blackberries and you will have access to some of the most amazing berries around. Mine are at 6' spacing b/t plants. If I understood it correctly, I also like the idea of putting a secondary metal stake behind each primary stake, running wire between the two. The fact that you could weave triple crown canes shows they were not robust at that time--mine are too rigid for that. I think that for triple crown 6' is much too close. This year they are covered with berries and today I just harvested the first crop of about 4 large Cool Whip containers full. I have five Triple Crown’s and they’re my favorite, both in taste and ease of care. 3) I plan to use a simple 2 wire trellis system, using 3 metal stakes (those green stakes you get from Home Depot/Lowes). I've been growing these for about 10 years, and amen to what jellyman recommends. I have found that whatever type support you use, after a few yrs. More Buying Choices $28.50 (2 new offers) Legendary-yes 3 Triple Crown Thornless BlackBerry Plants Produce Sweet Berries Zones 5-9. Strong canes can support many pounds of fruit without trellising. If you don't, eventually any post will lean from the weight of the vines. Do not cut a 20-foot cane to 6 feet at this late date, there is not enough if any growing season left to form laterals. One of the most productive blackberries available, Triple Crown is well-loved. Dig a foot from the canes and try to go down at least a foot. Each plant will grow is great size by next That being said, I don't want to enter into something that has no chance of success. 4. Regarding the trellis, the simpler the better. I have another bed where I want to add Triple Crown (semi erect). Same thing on plant spacing. They can get the size of broom handles and are not that flexible. 5 Triple Crown Thornless BlackBerry Plants Great Tasting Large Berries Vigorous (Legendary-yes) 02 Triple Crown Thornless BlackBerry Bush Tree - Healthy Tree Grown 4" to 6" Tall. This summer we had basically no berries (a couple random clusters - maybe 12 berries total). Only 14 left in stock - order soon. Growing 4-8', the plants form a sturdy hedge with the canes supporting pounds of fruit without a trellis. Sorry cutnrunn, I'm going to have to disagree. Switching to the metal stakes made it easier to drive plus, they have held up quite well. I planted my first ones 8' apart and then planted the others 10' apart and still have a jungle of shoots and side shoots. No monthly fees. I have triple crown planted 8 ft. apart and am seriously considering removing every other plant. A huge disappointment, but not sure that will work fresh eating, jams,,... 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