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Port Orange, Florida  Aniyan Apr 20, 2018 1:20 PM CST |
| My roses are blooming very well. However, after a recent freeze in Florida (that is right, we had severe freeze in January/February in Daytona Beach area) the flowers that bloom (plenty of them) all have their tips of the petals kind of brownish, and looks like not healthy. what should I do to improve the blooms? Watering 3 days a week early in the morning. Thank you. |
Name: Lin Vosbury Sebastian, Florida (Zone 10a)              plantladylin Apr 20, 2018 1:48 PM CST |
Hi Aniyan,  from another Port Orange, Florida resident! When you water your roses, are you perhaps getting water on the petals? From my very limited experience, Roses prefer to be watered from the bottom; try to keep water from sitting on the buds, blooms and leaves. Thrips are another possible suspect of brown petals; they feed on the petals. I only have three or four roses, all in containers and a week or so ago I found thrips on one of them and sprayed with an insecticidal soap which seems to have helped. Hopefully some of our more expert rose growers will pop in with tips and suggestions since as I said, I am not real knowledgeable about roses. Again, Welcome! ~ I'm an old gal who still loves playing in the dirt! ~ Playing in the dirt is my therapy ... and I'm in therapy a lot! |
Port Orange, Florida Aniyan Apr 20, 2018 1:59 PM CST |
| Thanks Plantladylin. Just so you know the watering is done through the sprinkler system, and it does not reach the flowers, as far as I know. Just want to share this with you. Thanks for the reply and glad to know you are also a ort Orange resident. |
Name: Lin Vosbury Sebastian, Florida (Zone 10a) plantladylin Apr 20, 2018 2:05 PM CST |
| Check for tiny, very thin insects (Thrips); they are usually seen crawling around the buds. On this page, are enlarged images of thrips: https://en.wikipedia.org/wiki/... This page shows thrip damage to roses: https://www.bing.com/images/se... ~ I'm an old gal who still loves playing in the dirt! ~ Playing in the dirt is my therapy ... and I'm in therapy a lot! |
Port Orange, Florida Aniyan Apr 20, 2018 2:36 PM CST |
| Thank you very much. Aniyan |
Name: Lin Vosbury Sebastian, Florida (Zone 10a) plantladylin Apr 20, 2018 2:50 PM CST |
| Aniyan, you are very welcome but without a photo, it's difficult to tell the exact issue with your roses. If you can upload photo(s) below I'm sure one of our more knowledgeable rose growers will be able to help in identifying the problem and offer tips/suggestions. ~ I'm an old gal who still loves playing in the dirt! ~ Playing in the dirt is my therapy ... and I'm in therapy a lot! |
Port Orange, Florida Aniyan Apr 21, 2018 8:51 AM CST |
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Port Orange, Florida Aniyan Apr 28, 2018 6:08 AM CST |
| Hi Plantladylin, I send the photo as requested by you in the thread of correspondences above of my roses showing the edges brownish. Will you be able to help me understand why this is happening? I did not find thrips or any other insects upon close examination of the plant and flowers. Thank you. |
Name: Porkpal Richmond, TX           porkpal Apr 28, 2018 1:03 PM CST |
| It does look a lot like the damage done by thrips. Try examining the blooms again at night. Porkpal |
Port Orange, Florida Aniyan Apr 28, 2018 2:06 PM CST |
| Thank you. Will look at dusk time. What should I do to get rid of Thrips? Any remedies? |
Name: Frank Mosher Nova Scotia, Canada (Zone 6a)        fwmosher Apr 28, 2018 3:37 PM CST |
| Aniyan: Welcome. Here is another thought! Thrips make tiny little pinhole size spots on the leaves of roses, where they suck out the plant nutrients. The spots look white.You could check the leaves first for that visible sign. If you find that sign, the thrips may have moved on some time ago, so not seeing the littler btd's does not mean they have not been there. I am not totally convinced from the rose pictures you presented, that "the cause" is thrips? Over-fertilizing, will darken rose flowers tips very quickly, so will frost burn. The fact that there is no visible "eating" of the rose blooms, leads me to respectfully submit that the damage is not from thrips, but rather one of the two suggestions I have submitted immediately above, or perhaps other causes yet to be put forward. Final thought, if it were indeed thrips, you would see deformed buds (read-eaten) that would never look as good as those you posted. Keep us posted, and don't give up on the roses! Cheers! |
Port Orange, Florida Aniyan Apr 28, 2018 7:12 PM CST |
| Thank you Frank, It seems to me also as a result of frost in our area, a couple of months earlier. Let me keep investigating the next bloom. Thank you for all of your suggestions. Aniyan |
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