@California Garden TV

California Garden TV: Get Your Tomatoes Through Hot (Maybe Humid) Weather



In this video I’ll show you a few ways to get your tomatoes through a heat wave or just regular heat and humidity. I will also show you how to prevent tomato diseases brought on by hot and humid weather to keep your tomato harvest going strong throughout the summer.

24 Comments

  1. I’m in zone 8b in the PNW. The heat usually isn’t the issue, nor the humidity. In fact, I struggle more with when I can get them outside as it’s normally not in the 50s at night until mid June or later. Though I did notice that when I grew on my rooftop patio with absolutely no shade, the tomatoes all had leaf curl and got really beat up. I figured they would love the sun, but turns out there’s a limit. Shade cloth helped on the most brutal days, but the late afternoon sun just fried them. I have been growing them in my courtyard that last couple years where they get a break from the afternoon sun and these are some of the healthiest tomatoes I’ve grown.

  2. I live in Sacramento County zone 9b. Tomatoes are doing great although they had a slow start. Companion planting helped tremendously; no tomato worms or disease that I can see (yet?). Mostly indeterminant, being plum and cherry-style tomatoes. Great length video too!

  3. Louisiana and the heat started early this year. 90+ started in early June. My slicing tomatoes are flowering but not making fruit. My cherry tomatoes did fine. I did use shade cloth but still no luck.

  4. I'm in Northern New England, where summers are usually kind to my tomato plants…but not this year! We have had very unusual weather – excessive heat, rain, and humidity and my tomato plants are less than ideal right now. However, beginning tomorrow, the temps are to be back in the 70s/low 80s with dew points around 40%. I think I can hear their tomatoey sigh of relief already!

  5. I am in East Coast Canada (PEI). We are running 28C most days with 75-90% humidity. This year we are also getting torrential rains (4-6 inch) about 2x a week. Most of my garden is showing signs of too much nitrogen from the rain. My cherry tomato plants (sungold) are already 6 ft tall. Trimmed off a lot of extra leaves today to help air flow. Also found a lot of fruit, hoping they will ripen soon!

  6. Thanks for all the information! It is nice to have you back from your vacation! I wanted to give an update on what is happening in my "garden". I live in an apartment and came across some old seeds. I was inspired after watching a few of your videos. I had come across a bag of soil i had and planted some of the seeds. I planted a whole bunch of corn and two came up and are currently about five feet tall. The other thing i planted that came up was pickling cucumbers. Some came up. One is over six feet tall, you can almost watch it grow. The other one is more bushy and now, i am so exited, has flowers blooming! I have a couple of melons that came up as well and growing so fast. I have a huge patio door and planted all these things in front of it. I had to make a makeshift trellis using string and attached it to my curtain rod. It is not the prettiest thing but they love it. Now you may wonder why i did not put things out onto my balcony, well, we had an inspection and were not allowed to have any kind of trellis on the balcony. i am grateful for that as now, we are not allowed to have anything on our balcony as they are painting all three buildings in the complex. It all does look a bit weird all these strings hanging from my curtain rod but i am so thrilled to see what happens next. I wish i could send you a picture but i do not own a cell phone. I had to give up some things because of the cost. Cable was another one, which i am so grateful for as i would never have come across your channel. I would be sitting on my butt watching old reruns of shows and not doing any of this little bit of gardening. Next year or perhaps through out the winter i will be doing more. Herbs, and other little things like that. Thank you so much for all your advice and i can hardly wait until you harvest more from your garden and your cow! Enjoy your weekend and glad to have you back!.

  7. In the high plains of northeast CO, we've had high 90°F to 100°F for a week. Finally down to 90°F today; next week with several days of rain it will cool off to high 80°s F. Temps are just all over the place like the humidity. We did have a record breaking cooler/ rainier spring, so a late start.

    Shade cloth everywhere, bottom pruned all my plants, and just gave all my plants liquid fertilizer with aspirin drench. I'm checking soil to 6" with my moisture gauge before watering. Things are taking off, finally! Fingers crossed the storm tonight does not bring hail.

  8. I LIVE IN WEST CENTRAL FLORIDA WHERE IT IS VERY HOT AND HUMID WITH SEVERE AFTERNOON STORMS AND NOW HURRICANE SEASON IS BEGINNING TO RAMP UP.

  9. I live in northeast Sacramento County, California. Mostly mid to upper 90s and above. Had consecutive days over 110 and to 112 then upper 90s to low 100s. (Last year it made it to 115). All tomatoes are producing and I’m experimenting with 5 varieties and locations. Have been having some annoying problems with sun scald, getting blistered and essentially cooking on the vine. Beautiful tomatoes until that happened. The ones that are doing amazingly well are planted where they gets morning and afternoon shade. Was worried they wouldn’t get a full 6 hours but it doesn’t seem to matter; they look really healthy and are producing the largest tomatoes. Some in full sun did better than others with some having fewer or no sun blisters. Others had every single tomato blister in a day and are just now starting to stay green. I thought I was going to lose them but the stems still had a lot of green. Still trying to figure out why some did better than others, especially the same variety, in full sun and others didn’t, just curious. I have not put up shades yet. So far no pests, though a friend downtown has had big problems with hornworms and nematodes. Jalapeños planted next to some tomatoes now thriving though at first overcome with something putting holes in the leaves, perhaps they outlived the bugs lifecycle. Love the videos!

  10. Hey, hey if I didn't know any better I think you were poking a jab at me for hand watering my garden, with that emergency water hose. I will have you know that I have a watering wand with different setting for the type of water use. I use the shower selection and I spent quality time deep watering with each and every plant in my garden. Sometimes I let it soak in, then do it again……..lol I do it for same reason Mark with "Self Sufficient Me" hand waters. It is not uncommon for me to be out in my yard watering as late as 11:00 PM to 12:AM. I actually have to leave the house to go to work, the drive each way is an hour plus, I don't spend my time playing on you tube…….🤣😂😘love you.
    You already know I am from Cedar Park, Texas (central Texas). The pruning of the the tomato plants is something I been doing for the last couple years, not because I know any better, I did it because I did not want people to see dead stuff in my garden……lol. I am going to loose the last two tomato plants in the back as soon as I pick the last remaining tomatoes. They will not survive with no leaves. I do have two in front that are a different variety seem to be in better shape, but no flowers due to the heat, I am going to start with the aspirin thing probably tomorrow. The humidity is consider in the very low range here.
    What do suggest I plant in place of the tomatoes? I have already lay in pumpkins and Okra. Something that is not leafy like spinach, lettuce etc.

  11. I can't shade mine where I live in BC Canada we average 90f to almost a 112f. Definitely suffering some heat damage in the garden

  12. Central Texas and temps staying above 100! But my tomatoes are doing ok! Some get afternoon shade where they’re planted. Something got 2 plants, one early on so I pulled before it could damage the others. The next got pulled a few weeks ago, but it produced a good bit of tomatoes so I’m ok. The 3 plants I have left are doing ok! 2 get good afternoon shade, the other not as much but it’s still looking pretty good. I just sprayed everything for diseases so hopefully I won’t lose these last 3. But I have a freezer shelf full of Roma, and other tomatoes so I’m happy! Good amount to can once it cools some.

  13. South Alabama, 95-100F, 100%RH every afternoon (seasonal storms). Heat index’s 110-120+

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