Broccoli/cauliflower leaves suddenly turning yellow
plant-one-on-me
16 years ago
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purplemage
16 years agoRelated Discussions
broccoli leaves turning purple
Comments (4)I don't have an answer for you, but I do have a similar circumstance with my broccoli plants. One day recently I noticed that the mulch beside one of my plants was disturbed. Basically, the mulch had been scratched aside near the plant. Within a day or two, the plants leaves turned purple. I don't honestly know the two events are connected, though the coincidence seems odd. The plant has since grown new green leaves, but the original purple ones remain. Growth of the plant has been severely retarded, though it didn't die and would seem to be in good health at the moment. None of my other broccoli plants were affected, and they are all now much larger than the purple plant. I would also mention in the interest in providing all of the available clues to the mystery, that my garden is enclosed on all sides with netting of one sort or another. There are no holes larger than that of chicken wire for critters to get through, including on the ground underneath... I overachieved a bit in my war on garden pests. If anyone can explain the purple leaf issue I'd certainly be interested to hear it....See Morecitrus leaves suddenly yellowing!
Comments (1)Hair, have you done anything different than you've been doing? Too much or too little water? Different soil? Change in fertilizer? Another thing to check for are pests. This is the time of year they seem to attack plants. Dry air, etc. I understand you're using lights, but are they getting natural sunlight, too? If so, have the days been dreary there? It sure has been here. What do the yellow leaves look like? Are they mottled yellow, pale yellow? Toni...See MoreAnubias barteri var (i guess) suddenly turned yellow
Comments (0)I not sure what is this plant name, i assume it is called Anubias barteri var. Recently the leaves turned yellow as picture above, what could be the root cause? I put the pot outside of my house direct to sunlight. i watering daily without missed. please help! TQ!...See MoreLeaves turning yellow suddenly and falling off ... Why?
Comments (14)I'm thinking underwatering for the pots is the culprit, although overwatering can also cause the yellow leaf symptoms, though usually not so quickly here. Agree with Mad, going with heat stress & find it nearly impossible to overwater a potted rose in active growth as long as the pot size is adequate, the potting mix good & drainage holes functioning. Like Valrose, potted roses here are watered at least once a day & often twice when the day temps get to 80 & above. I water each one & then go back & water each again to make sure they're thoroughly watered each time. If we get a soaking rain, I skip the watering. Hot days after cooler ones increase water needs here. And it's not only the warmer temps, but the greater intensity of sunlight every year that affects plants whether potted or planted. In the last few years, plants that were formerly happy in part sun part shade conditions have needed more shade as well, which I also chalk up to the intensity cranking up. With such frequent watering of pots, I subscribe to the "weakly weekly" fertilizing routine, using Neptune's Harvest liquid at half rates for larger plants & quarter rates for younger ones, on a second watering of the day. A good bit of rain usually falls here year round, with cloudbursts & storms frequent over the growing season. Though the land is clay based loam, the roses were never more lush & happy than a recent Summer when storms came by daily. Agree with Mad here again, in those circumstances, even with the soil saturated to puddles, no roses (or other plants) seemed to mind at all. What we see as red pigments in rose leaves, such as apparent in new leaves, actually protect the leaf by dissipating heat. Mildew can be brought on by underwatering in heat here, but it's opportunistic, does't bleach leaves & treated by washing the leaves with water wand & making sure the roots have adequate water. Occasionally see older leaves bleach out quickly right ahead of or at the same time as a growth spurt occurs. Just some random thoughts over a late lunch break & likely not well organized, but hopefully food for thought. Are your pots protected from heating up in the sun? I'd water the pots a good bit more, the planted out roses too, and start them on the Neptune's once satisfied their water needs were met daily. The Neptune's also great as a foliar spray applied in early evening when the temp's below 75 & leaf stoma open to absorb it completely. Sue...See Moredigdirt2
16 years agoeplina
16 years agoplant-one-on-me
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13 years ago
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