![]() When it's hotter, they can dry out a lot faster). ![]() ![]() That would explain why you have faith in small containers outside, too. In light of your comments, it sounds like it's way too cold to be having your cucumbers outside already (if 60° F. If you have to use that container size you might consider timed watering to ensure they don't dry out too much between waterings. Moving from a windowsill to full sun might not be a great idea. In my area, they'd get roasted like that. They and their containers both seem a little small to be moved outside. I don't know, but my guess is they're getting too much sun for how quickly the soil dries out outside. The bugs and diseases are more often a symptom than the true source of problems. Continue to focus first on the plant's basic needs - water, drainage, sun, healthy soil, non-monocultures. I realize these are pretty general suggestions, but I hope they will help you going forward. I just wrote about that here: Watermelon plants not growing. More here: Ĭucurbits seem to grow best if they are not transplanted, but sown directly. It may not be what it killing your cucurbits but it's something that initially discouraged me and many a person who starts out growing vegetables to transplant. It is evident if the plant sort of withers at ground level then falls over. It is a sign of overwatering / insufficient drainage, and sometimes also of the seedlings being too cold. At the start of a plant's life, the roots matter even more than the leaves do.ĭamping off is a fungus that kills a lot of seedlings and it can spread FAST. Egg cartons really aren't deep enough to give any plant an optimal start. So the seedlings in the egg carton are fighting a serious uphill battle right from the start. The little pots you have are better, but 6-8" deep would be even better - quart milk cartons with holes punched in the bottom for example. You'll notice this when you thin them if you plant several seeds per hill. Those are the things that will make your thumb get greener and greener.Ĭucurbits grow several inches of root depth by the time they have their first true leaves. You are paying a lot of attention to what you see, thinking about it, and giving the plants all the help you can. Oh I wouldn't be so sure your thumb isn't green. Here is a row of potted seedlings, some of which seem to be thriving and some starting to sicken. Here is a top view and side view of a plant just turning sickly. Here are the seedlings in the barely alive egg carton: The seedlings in one egg carton have done quite well, so I planted some in the ground and re-potted the others in 3 inch pots. I usually water them once a day, but sometimes skip a day. At first I had them in a sunny window and then gradually moved them outside most of the day. I sprouted the seeds in a wet paper towel and then planted the sprouts in egg cartons using Miracle-Gro Moisture Control Potting Mix. I'll guess I'll have to start over and try again. Only three seem to be thriving, and I guess it's too late to just isolate those. Unfortunately, I think the seedlings will be a total loss, including the ones in the ground. That makes me think it is a pest (maybe mites) or a virus. When it infects the plant, the plant stops growing. Whatever it is, it seems to be spreading from seedling to seedling. But it seems to be spreading from the sick to the healthy. I don't know if the problem is disease, nutrient lack, or pest. But on others the cotyledons turn yellow and shrivel before the true leaves get big enough to grow. I am growing cucumbers in pots to transplant.
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