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| Hello rosarians, I have been growing roses from cuttings in plastic cups since July. They are in a mix of compost/manure/sand/perlite with some rose fertilizer mixed in. I have fertilized them infrequently. Last time I fertilized them they developed a 'rusty' effect so I thought I had over fertilized. Now they look downright bad and I'm seeking advice to remedy my rose blues! They are grown indoors under cfl light 18/6 grow schedule 70 degrees f. I soak them once they dry out. Any advice or direction to advice would be greatly appreciated. Thanks! -Greg |
Follow-Up Postings:
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- Posted by OctopusInc none (My Page) on Sun, Feb 24, 13 at 7:46
| pic #2 |
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- Posted by OctopusInc (My Page) on Sun, Feb 24, 13 at 7:47
| and #3 |
This post was edited by OctopusInc on Sun, Feb 24, 13 at 7:48
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| Supply water and mulch sufficient enough; to keep the plants healthy. If you see any rust appearing; just pick the affected leaves off and burn them. The best thing is to spray systemic fungicide like Systhane or Tumblebite; if you see any rust. You need to do this few times at every fortnight. |
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- Posted by maplerbirch 4 (My Page) on Tue, Mar 19, 13 at 11:55
| Try to get them outside in full sun and fresh air, if you ever get a warm day. Light and air circulation cured all my outdoor rose problems related to rust and brown spot, so it may be that they could use a change. Great jobs keeping them going as well as you have since July. :) |
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| I'm a little surprised that a systemic fungicide would be considered an "organic" solution. I'm not aware that roses at any stage of growth can be raised indoors; that's not a natural environment for them and would make them much more likely to be prone to disease. Roses need good air circulation for them to do well. |
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- Posted by Strawberryhill 5a IL (My Page) on Sat, May 11, 13 at 22:44
| Hi Greg: the yellow spot is fertilizer burn from phosphorus in your fertilizer. Young rose can't handle fertilizer. That happened to me when I put fertilizer NPK 2-7-5. The best way is to take the plant out, and rinse off in a bucket, then put in fresh potting soil without the manure and compost. Manure and compost can burn young plants. Below is a rose grown from seed, only 6 months old, in a potting soil of composted pine fines, with lime added. It's Ball professional soil for seedlings, rated as #1 in many forums. |
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| Wow, that's a fine, healthy-looking plant, Strawberryhill. |
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