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propagating spinosissimas
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Posted by lerosier3 7 (My Page) on Fri, Nov 20, 09 at 13:02
| There is some conflicting information regarding spinosissimas and I don't know which is correct. A reason given for their wide distribution was that they grew from cuttings easily and early settlers took them with them when they left the eastern coast and traveled west. However some modern authorities such as Mel Hulse state that they are very difficult to impossible to grow from cuttings. Peter Boyd who has wide experience with them believes they can be propagated in winter or early spring. Which is correct? If they can be propagated by cuttings which is the best way to do so? |
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RE: propagating spinosissimas
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| I've always had a hard time propagating them using traditional propagating methods. I've had some luck doing them as dormant cuttings over the winter so my advice is try that first. However they sucker like mad and once an own root plant is mature you can dig up pieces, pot them up and grow them on. I've even thought about planting them in something like a 10 or 15 gallon "squat" pot (a pot that is lower and wider) to see if that would force suckering faster. You could also try layering which is where you take a branch, bend it down to the ground, bury part of it and then when that part has rooted cut the "new" plant away from the main one. |
RE: propagating spinosissimas
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- Posted by jont1 Midwest 5b/6a (My Page) on
Sat, Nov 28, 09 at 2:07
You might try using "Rooter POts" to propagated your roses. I have used them for a couple of years now and my success rate is 20 out of 22, and the two that didn't take were done too late in the season I think and the cold snap we had in October did them in.
John |
RE: propagating spinosissimas
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| I will try both suggestions. I propagated a few Robbie Burns earlier this spring and they seem to be doing OK using normal methods but this is a hybrid and you cannot generalize about hybrids. I also understand that you can also use division to get new plants in fact I have been informed that this is how the early settlers to the western US brought them with them. They potted them up and as a result they were common in homesteads throughout the west. This is not a normal practice with roses but it is supposed to work with Scots roses. |
RE: propagating spinosissimas
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| Division works very well with Scots Roses. We moved an Old Yellow Scotch off the old property a few months ago and ended up with like 15 plants. It just fell apart and we potted up the individual pieces and suckers. I've never tried a long range program with them by division but I might try next year in large 10 gallon squat pots. I love these roses and would like to see them more widely grown in landscape situations. |
RE: propagating spinosissimas
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| At present I have 52 different Pimpinellifoliae roses. I have another 42 ordered. One of the ones I need is Old Yellow Scotch. Any chance of getting one of yours? I plan on putting together a webpage on Pimpinellifoliae roses. When completed I will have lists, photos and articles about them. |
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