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#1
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We live in the Denver area.
I got some bare root rose bushes from Jackson Perkins about a month ago, and planted them. Most are doing ok, but a couple have this problem where the leaves are turning a dark brownish color and then get crackly and die. http://dim.com/~melissa/photos/Roses...%207-29-05.JPG I put them in 2' tall 2' wide planters made of old highway guard rails and the planters get pretty hot, but I put in a drip water system. I'm not sure if some of them just aren't getting enough water or if this is a bug or disease. I usually also put fine cedar mulch around them but haven't gotten to it yet. I started doing some tonight. That usually keeps out a lot of what eats them ( I also use coffee grounds ) and keeps the water in the soil more. I need to finish that over the weekend. Does anyone have any idea what this is? -- Yours In Liberty, Melissa - Colorado, U.S.A. |
#2
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It sounds like they aren't getting enough water.
Containers frequently require watering daily during the hot weather of summer. Tim "Melissa" wrote in message . 97.142... We live in the Denver area. I got some bare root rose bushes from Jackson Perkins about a month ago, and planted them. Most are doing ok, but a couple have this problem where the leaves are turning a dark brownish color and then get crackly and die. http://dim.com/~melissa/photos/Roses...%207-29-05.JPG I put them in 2' tall 2' wide planters made of old highway guard rails and the planters get pretty hot, but I put in a drip water system. I'm not sure if some of them just aren't getting enough water or if this is a bug or disease. I usually also put fine cedar mulch around them but haven't gotten to it yet. I started doing some tonight. That usually keeps out a lot of what eats them ( I also use coffee grounds ) and keeps the water in the soil more. I need to finish that over the weekend. Does anyone have any idea what this is? -- Yours In Liberty, Melissa - Colorado, U.S.A. |
#3
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"Melissa" wrote in message
. 97.142... We live in the Denver area. I got some bare root rose bushes from Jackson Perkins about a month ago, and planted them. Most are doing ok, but a couple have this problem where the leaves are turning a dark brownish color and then get crackly and die. http://dim.com/~melissa/photos/Roses...%207-29-05.JPG I put them in 2' tall 2' wide planters made of old highway guard rails and the planters get pretty hot, but I put in a drip water system. I'm not sure if some of them just aren't getting enough water or if this is a bug or disease. I usually also put fine cedar mulch around them but haven't gotten to it yet. I started doing some tonight. That usually keeps out a lot of what eats them ( I also use coffee grounds ) and keeps the water in the soil more. I need to finish that over the weekend. Does anyone have any idea what this is? -- Yours In Liberty, Melissa - Colorado, U.S.A. As Tim said, they probably aren't getting enough water. Newly planted roses, especially bare roots, need time to establish a good root system so it's a good idea to baby them and especially when it's really hot, water them frequently. Is there good drainage in the pots? Roses can also die from overwatering if water can't drain out, but based on the browning I agree with Tim it's probably too little water. How much sun are they getting? Again, newly planted roses can be tender and in the high heat of the summer, too much sun can stress them out, on top of the stress from being planted. I've been known to erect temporary shade for newly planted roses to give them some relief from afternoon sun. You shouldn't fertilize newly planted roses which is another stressor. I have used potting soil containing slow release fertilizers and had no problems, but any additional fertilizer should wait until the shrubs are well established. A good organic root stimulator and general tonic is seaweed. It's usually diluted 1 tbl. per gallon water. Gail near San Antonio TX Zone 8 |
#4
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On Fri, 29 Jul 2005 22:01:22 -0500, Melissa
wrote: We live in the Denver area. I got some bare root rose bushes from Jackson Perkins about a month ago, and planted them. Most are doing ok, but a couple have this problem where the leaves are turning a dark brownish color and then get crackly and die. http://dim.com/~melissa/photos/Roses...%207-29-05.JPG I put them in 2' tall 2' wide planters made of old highway guard rails and the planters get pretty hot, but I put in a drip water system. I'm not sure if some of them just aren't getting enough water or if this is a bug or disease. I usually also put fine cedar mulch around them but haven't gotten to it yet. I started doing some tonight. That usually keeps out a lot of what eats them ( I also use coffee grounds ) and keeps the water in the soil more. I need to finish that over the weekend. Does anyone have any idea what this is? A couple of comments. First of all, you need to prune awayyour blooms. Right now, the rose is struggling to get established, especially since you planted them right in the middle of summer. By pruning the blooms, you'll transfer energy that the plant is expending trying to support them to the root system. The main thing is to create a good basis for the future of the plant. The first year or two is key to the establisment of a healthy rose bush and that key is a strong root system. Since you've only got a month or so left of serious growing season, give up the idea of extensive blooms. Your plant will thank you in a year or two with a profusion of blooms. I'm not saying that you can't have a bloom or two, but remember that you're in this for the long haul and you got started waaaay too late this year. Also, since you're in Denver, I'd STRONGLY suggest that you get the bud union under ground. The bud union is that mass of woody stuff that the stems are coming from. Here in the South, we can get away with having the bud union above ground, in fact, we sometimes choose to have it prety close to being above ground level because of the heat and dampness that can enocurage fungal infection. But you don't have to worry so much about that. I'd cover that bud union with mulch, which shouldn't hurt it now and will protect it when your temps get low. I know that Denver isn't as "arctic" as some people think it is, however, you have some goood snows and lots of prolonged stretches of below freezing temps in the winter, so you'll need to protect your bud union. If it gets hit with ice and snow, you can kiss it goodbye. I think that all you need to do is put enough mulch to cover it with an inch of material. Also, that dead stem on the left needs to go. Get a good sharp offset pruner and lop it off about 1/4 inch from the bud union. Also, you have canker starting. On those canes that show a blackening of the stem, make sure that you prune them back at least a couple of inches. Prune above an active or inactive bud. If you don't know what to look for, look for a healthy cane growing out of the cane, *or* a swelling of the cane. Make sure you cut at an angle and not straight across. Cut about 1/4 inch above such a bud or stem. The stem in the middle that's growing at about 45 degrees might not be able to be saved. However, you might try cutting it below that stem that's coming out on the right. I don't think you've got enough cane to save that branch, so let it go. Good luck to you. Stop fertilizing it now and when winter comes, you might want to give it 3 or 4 inches more of mulch. You can mound it up a bit. This will protect it from cold wind, ice and snow. Just leave the pruned canes exposed. They won't mind so much. Don't leave more than a foot of cane though. In fact, I'd almost recommend pruning them back to about 8 inches. Hope this helps... |
#5
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"Tim Tompkins" wrote :
It sounds like they aren't getting enough water. Containers frequently require watering daily during the hot weather of summer. I think you're right. Those planters heat up quite a bit. I didn't have enough drip heads and was only running the drip station for 17 mins a day. ( The heads are 1/2 gal per hour. ) I went out and soaked them all good today, after adding fine cedar mulch. I'm increasing the drip timer to 1 hour a day. -- Yours In Liberty, Melissa - Colorado, U.S.A. http://melissasliberty.blogspot.com/ DOESN'T EVERYONE DESERVE A BILL OF RIGHTS? The last best hope for a liberty. A subscriber Bill of Individual Rights with the goal of enlisting the support of hundreds of millions of people all over the world. http://upalliance.blogspot.com/ http://upalliance.org/ http://groups.yahoo.com/group/Univer...tary-Alliance/ http://lakewoodcolorado.net/school.htm |
#6
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As previous posters mentioned, bare root plants take a bit more to get
started. They are tender, due to being in cold storage prior to shipping and they have very little in the way of a root system. Feeding with a MILD food is appropriate as well as removing any buds. The plant needs to put energy into establishing a root system. In Colorado, I'm in Loveland, you MUST plant with the graft/bud union below soil level to have a chance of surviving the winter. Even with this a container doesn't offer much protection from prolonged low temperatures. You can't prevent freezing, the soil simply offers a insulation barrier to slow the rate of temperature change so the plant can acclimate, more is better. BTW, the Denver Rose Society annual rose show is Sunday August 7th at the Denver Botanical Garden Center, open to the public at 12:30pm. Tim "Melissa" wrote in message . 97.142... "Tim Tompkins" wrote : It sounds like they aren't getting enough water. Containers frequently require watering daily during the hot weather of summer. I think you're right. Those planters heat up quite a bit. I didn't have enough drip heads and was only running the drip station for 17 mins a day. ( The heads are 1/2 gal per hour. ) I went out and soaked them all good today, after adding fine cedar mulch. I'm increasing the drip timer to 1 hour a day. -- Yours In Liberty, Melissa - Colorado, U.S.A. http://melissasliberty.blogspot.com/ DOESN'T EVERYONE DESERVE A BILL OF RIGHTS? The last best hope for a liberty. A subscriber Bill of Individual Rights with the goal of enlisting the support of hundreds of millions of people all over the world. http://upalliance.blogspot.com/ http://upalliance.org/ http://groups.yahoo.com/group/Univer...tary-Alliance/ http://lakewoodcolorado.net/school.htm |
#7
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"Tim Tompkins" wrote :
As previous posters mentioned, bare root plants take a bit more to get started. They are tender, due to being in cold storage prior to shipping and they have very little in the way of a root system. Feeding with a MILD food is appropriate as well as removing any buds. The plant needs to put energy into establishing a root system. Ok. In Colorado, I'm in Loveland, you MUST plant with the graft/bud union below soil level to have a chance of surviving the winter. Actually I've found that I have to plant with the crown above soil, otherwise they don't do well, then I mound them high with cedar mulch in the fall to protect the crowns. BTW, the Denver Rose Society annual rose show is Sunday August 7th at the Denver Botanical Garden Center, open to the public at 12:30pm. Tim Is it indoors or out? My friend is on drugs where she can't be in full sun. |
#8
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Inside the main building in Mitchell Hall.
If you are not a member of DBG there is an entry fee at the main gate, the rose show is free. Tim "Melissa" wrote in message . 97.142... "Tim Tompkins" wrote : As previous posters mentioned, bare root plants take a bit more to get started. They are tender, due to being in cold storage prior to shipping and they have very little in the way of a root system. Feeding with a MILD food is appropriate as well as removing any buds. The plant needs to put energy into establishing a root system. Ok. In Colorado, I'm in Loveland, you MUST plant with the graft/bud union below soil level to have a chance of surviving the winter. Actually I've found that I have to plant with the crown above soil, otherwise they don't do well, then I mound them high with cedar mulch in the fall to protect the crowns. BTW, the Denver Rose Society annual rose show is Sunday August 7th at the Denver Botanical Garden Center, open to the public at 12:30pm. Tim Is it indoors or out? My friend is on drugs where she can't be in full sun. |
#9
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You shouldn't beget anew buried roses which is addition stressor. I accept acclimated potting soil absolute apathetic absolution fertilizers and had no problems, but any added fertilizer should wait until the shrubs are able-bodied established.
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