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Morning Glory--sudden total yellowing -brownign of bottom leaves
I have a pot with three morning glories and a few small plants filling
the center. The morning glories aren't that full-planted late, had some trouble. Today I found that all the bottom leaves on all three are yellow. Some have tan-grey centers between the veins like they are rotting-burning. It is on new and large old leaves. They didn't look like this yesterday afternoon. Yesterday morning I did give this pot some light liquid fertilizer with the water. They other 4 plants in the same pot are unaffected. All are green. Are morning glories a heavier feeder? more sensitive to Iron deficiency? Some root problem? COuld this just be light deficiency? The roof overhangs are blocking more light in that spot that I thought when I put them there. I could put them out in the sun and maybe they would either perk up or burn... DiGiTAL ViNYL (no email) Zone 6b/7, Westchester Co, NY, 1 mile off L.I.Sound 1st Year Gardener |
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Morning Glory--sudden total yellowing -brownign of bottom leaves
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Morning Glory--sudden total yellowing -brownign of bottom leaves
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Morning Glory--sudden total yellowing -brownign of bottom leaves
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Morning Glory--sudden total yellowing -brownign of bottom leaves
Hi there,
This may be an issue. The overhang of the house is very large and giving it shade, particularly during midday now that the sun is higher overhead. A nearby Nasturtium is growing overly tall and reaching forward--into more consistent sunlight. I will choose different plants for this area next time. Something that will enjoy the moving shade. Might I suggest Passion Flower? At first I wanted to grow them on my balcony but they can't stand hours of sunlight. They seem to climb in the same rate too, somewhat more fragile but still very, very fast. DigitalVinyl wrote in ... oway (Tyra Trevellyn) wrote: Wow thanks for the thorough (that spelling looks weird) response. First of all, it's the nature of morning glories to lose their first leaves (think baby teeth) by yellowing/browning off. Simply cut them off when they start to look bad. If the vine is growing strongly, lower-leaf dieback isn't an indication of a problem. Okay--although the upper vines are growing and one is winding up more than an 18" length they haven't fulled out with much foliage yet. Second, morning glories aren't heavy feeders at all, but they do like a shot of very mild liquid feed a couple of times a season, and this is particularly necessary if you've got them growing in containers. Third, water them before they get too dry. Water stress (too much or too little) will cause weak plants. Morning glories have lots of very fine roots and don't store moisture; this combined with lots of thin, large leaves can make them thirsty. However, even with the best care they do tend to wilt temporarily when hit with bright sun; best to see if the soil is still damp before watering them again. (You should have them in a very well-draining mix so that even some overwatering won't hurt them.) These (Heavenly Blues) actually fought off some fungus from the daily soaking of the wet cold spring when they were just two-leaf seedlings. I had to take them inside for a few days to dry them out and let them recover. Each one was affected to different amounts, the least affected is my most vigorous 18-24", the most... a stunted little guy not even climbing yet(4-5"). A clear example how early disease can affect the growth of the plant for weeks to come. Different varieties of morning glory behave differently and some tend to have leaf problems even if they're otherwise healthy and blooming. They're also subject to flea beetle damage....little holes in the leaves.....but this is That brings up another observation. SOme of the green leaves have ..well they are missing pieces on the sides of the leaf. Now this isn't like slug or insects eating them...I've seen that and it looks different. It is very clean and the edges of the missing pieces curl downward. The edges looks healthy and green and almost natural...except deformed. They don't seem to start that way. Could this be lingering effect of the fungus? The first leaves after the fungus cleared up were short and deformed. One side of a leaf would be smaller than the other...stunted. only for a relatively brief period, so don't think about spraying or other insecticidal treatment; it's not necessary and probably not useful. A mist of water from the hose can be useful in general, but don't do this when the sun is hitting 'em. I believe that I've had some good results with using a mild fertilizer as a foliar spray, as well (also, not when the sun's gonna hit them). Next, morning glories do need full or nearly-full sun.....at least five hours a day, starting in the morning. This may be an issue. The overhang of the house is very large and giving it shade, particularly during midday now that the sun is higher overhead. A nearby Nasturtium is growing overly tall and reaching forward--into more consistent sunlight. I will choose different plants for this area next time. Something that will enjoy the moving shade. Last, always plant more than you need. I planted four, wanted two. I got three. One is growing well, one so-so, one kinda sad but he's trying so I haven't had the heart to yank him. As an aside, I don't know what you're growing, but I always have more trouble with Heavenly Blues than any other varieties, although I insist on planting them because they are the Essential Morning Glory. But I also grow Scarlet O'Hara and a whole mess of other smaller-flowered varieties (e.g., Star of Yelta) that have many fewer problems and bloom earlier. Hopefully I will get to see some blooms and decide if I want to keep growing it. Next year I was thinking of the President Tyler...A rich deep blue from photos. ANy experience with them? Good luck.....and enjoy. Best, Tyra nNJ usa z7 DiGiTAL ViNYL (no email) Zone 6b/7, Westchester Co, NY, 1 mile off L.I.Sound 1st Year Gardener |
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