16,949 Garden Web Discussions | Growing Tomatoes

Thanks for the luck! I figure I will pull the worst ones and see if the better ones will be OK. Do I just leave them be or cut off the new/damaged growth?
I went to the nice nursery down the street and the tomatoes were all too big in their small containers and looked terrible :( Then they had big plants in big containers and I don't want those either!
Next year I will do some seeds, and then a few weeks later do some more for back up just in case this happens again. Live and learn.

I had some seedling early that looked like that. Mine was too much fertilizer. Plus after they looked sick I sprayed with Epsom salts. I know what I did. I was watering with dilute blue fertilizer but holding the dripping plant over my tub of potting mix. That bunch of potting mix had way too much fertilizer.


27.5 gallon size, approximately 24 inches across (round) and 18" tall.
Given those dimensions are you sure about the gallon size? Normally a 24" diameter 18" deep pot will hold approx. 38-40 qt. of potting mix or 8-10 gallons. It's dry mix vs. liquids.
Either way they are big enough for a single tomato plant but be sure to use a soil-less mix, not soil in them. That is standard for containers regardless of size.
Normally one doesn't "rotate crops" with containers. Instead you just refresh the mix in the containers between plantings. Not that you can't rotate - you can of course but it normally isn't necessary. If you do just don't plant things from the same family - tomatoes, potatoes, eggplant. Instead plant leafy greens, squash, even peppers.
You can learn all the details on container growing including make-you-own mix recipes and how to refresh it the following year over on the Container Gardening forum here. Look at the posts for the 5-1-1 mix and be sure to check out all the discussions on feeding container plants as well. Linked it below for you.
Dave
Here is a link that might be useful: Container Gardening forum

digdirt, thanks, I will check out that forum, i just assumed it was for containers of geraniums and such!
I just checked the containers, and they are stamped #25 27.50 gallons / 104.10 liters. They are measured correctly, as to what the stamping denotes, I don't know!
I will investigate the soilless mixes. I am familiar with mel's mix, don't know if this is what you are referring to, but i will check out the 5 1 1 mix. At first thought, throwing out that much mix each season seems too wasteful, so rotation may be my answer, or amending. I am sure I will learn more over there, too.
Thanks for the input!


I haven't grown either of these tomatoes, but from the looks of the cages and support you have, you should be fine. The tomato plant should thicken the stems a bit more then usual to compensate for the additional weight. I'd wait for Dave to give the final word though ;)

I wouldn't call it the final word. :-) But I wouldn't remove any of those great fruit either. I recall other pics of your set-up and supports and I think it should be possible to tie off a sling support of the fruit truss if you think it is necessary. Yes? No?
They make a plastic truss stem support scroll down to arch support. Cheap and easy to use if you don't mind buying 5000 of them at a time but I find that just a small sling of tulle or other lightweight netting (some use pieces of old pantyhose) under the fruit cluster is even cheaper and works just as well.
Then pick some of the fruit in the cluster at blush (breaker stage) pick it and ripen indoors to remove some of the weight for the rest.
Hope this helps.
Dave

One of the hundreds of Diptera (common flies) one can find in the garden at any time. Looks a deer fly to me.
You asked what is wrong with tomato plant and the answer is some minimal flea leaf beetle damage. You won't ever see them and as I said they pose no threat to the plants. And possibly some herbicide damage that shows in the one photo. Otherwise, nothing else shows in the photos. If you are finding aphids on the undersides of the leaves then you need to squish them or hose them off with water or if you prefer, use some spray on them. But they are not what made the holes in the leaves.
Herbicide damage is common this time of year because so many are indiscriminately treating their yards with no regard for the neighbors. You will have to track down the source of the herbicide and try to find out which one was used. Or you can just monitor the plant and see if it recovers, many do with time. If not it will need to be replaced.
Dave

Aphids have sucking mouth parts used to suck the plant juices. Damage is usually shriveling of leaves.
Beetles have chewing mouth parts that make holes...looks like flea beetle damage where the holes are shown. I would remove critter by hand if possible (toss into bucket of soapy water).
Last picture looks like it could be a type of leaf miner which could be looking to lay its larva. These larva will make paths inside the leaf tissue destroying the tissue. (A leaf miner is a type of diptera [fly]). If you can catch it (in a net) and destroy it - that would be best. Damage is mostly cosmetic and early removal of affected leaf is best.

Interesting article but the "best"? Wow! That's a pretty big broad claim. Especially when it is apparently based on
>one study done in different years a decade or more apart,
>in several different countries in Europe,
>each with very different soils and growing conditions,
>different rates of application,
>compared to untreated control plants and plants only getting other forms of K carriers pre-planting,
>and used as a side dressing or fertigation component (not foliar spray) and the fertigation apparently also included additional N & P,
>with very different results from country to country.
Still, based on the article, it is probably safe to say that plants given additional supplemental feedings of nutrients in some form at specific times during the growing season will out-perform/produce plants given only a pre-planting feeding.
Beyond that the view gets a little hazy. ;)
Dave

try to check these two links: one about tomato fertilizer and the other about potassium nitrate:
Here is a link that might be useful: tomato fertilizer


Hmm, I just snap'em off whenever. I have been known to get over zealous with pruning, but I've never seen a plant respond badly...I doubt removing a few damaged leaves will hurt. On the other hand, leaving them alone may not hurt either if you're worried?


5/1/1 is definitely something I want to try, as I have read the rave reviews! But I got lazy and ended up using MG mix in one container (a big Rubbermaid tub) and another bagged mix (jungle something?) in another. Both are thriving, and both have roots growing throughout the tubs and into the ground through the drain holes. So far so good!

The twisting may just be an attempt to find better light, and the drooping may be related to the fact that they were outside and are now in (and overwatered). I think when you get them back into the hardening off process, they will perk back up.
I can't really see the "scald" well enough to tell if it is sunburn or something else. I've alwsys seen it as whitish patches on leaves, but perhaps I just didn't notice it on stems.
I see that your neck of the woods is supposed to have temps in the 70s for the next few days with some very cool nights, I say get them back outdoors and get them ready to planting. Warmer weather will come.
We've been cold, wet, and windy here too.
Betsy

Had trouble logging in. The plants did look better in the morning, and stayed looking good when I put them out under overcast skies this afternoon. I'll have to go slow with hardening off process again since it is supposed to be in the 80's (near 90) later in the week and they hadn't spent a full day in bright sun and heat before the cold and rain came. But they are all in garage and basement tonight, no more coming in the house under the lights!
Hope I can start planting them this weekend - a week behind schedule.
Going to start hardening off the peppers soon. In the meantime, I planted more lettuce, beets, and got my cukes and radishes in today, squash and beans tomorrow. Carrots are starting to germinate.

wrong forum! I didnt know there is a tomato pests and diseases forum .. Anyway, I found a similar situation discussed here .. older thread
One of the suggestions is that water on the leaves with bright sun .. I did spray water on that plant in the afternoon, assuming the trees would like the "rain feel". Of course when it rains, sun is not bright .. so this probably never happens during regular rain.
Can that be the explanation for this necrosis? And in that case, it should recover fine, right?

I don't buy the idea that sun on water droplets on the leaves will harm them in any way. That happens too often in nature for us to have no evidence of it in the wild. What I see on your plants doesn't look like a disease or malnutrition to me either. It is some kind of stress, possibly sunburn or insect damage. Sorry I don't have a more specific diagnosis.

I doubt is is the mulch although it does seem quite early to be putting the mulch down, especially if you have been having the cooler and wetter than normal weather most of us have. Like planting out, mulching will be delayed this year by at least a couple of weeks.
The most likely cause of the symptoms you describe is just the weather - overly cool, overly wet, retarded root development, slowed nutrient uptake, etc.
If on the other hand you live in one of the isolated spots in the country having normal weather then I'd pull the mulch back from the plants and let the soil dry out well. Then hope that neither your mulch nor your compost contained any herbicides. Check with the sources for both.
Dave

It has been in the mid-80's here, a couple of 90 days (high desert though, nights are 44-50 - could wide temp swings do that?). I don't think wet weather is an issue, we're at 0.5" for the month, probably all we'll see.
At what point do you recommend putting the mulch down? I didn't realize it shouldn't be put down right away. I was hoping to keep the weeds at bay (which are a HUGE problem for us), but I'll pull it back and see how they respond.





I like to keep mine outside, too. I just move them from sun to a shady location. Even in the shady location they will get some of that great natural light, not to mention the fresh air and a little breeze. You probably know that part of the hardening off process is to get them accustomed to breezes/winds.
Agree that once they go out they do best if left out. Back and forth, in and out can be stressful for them as they keep having to re-adjust.
But that means only when day and night temps are ok and you need to make a somewhat wind protected and shaded area for them outside not just set them out on an open deck in the sun.
Dave