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August 1, 2018 · 1 Comment

Update on the Container Tomatoes

Climate

Leaf curl and blossom end rot have been problems for my container tomatoes, but not serious ones — at least so far.  Despite the heat, humidity and rain of the early summer, it looks like this will be a good year for tomatoes.

First, the facts: As of mid-July, Minnesota has seen the highest combined levels of heat and humidity ever recorded. Ever. Recorded. That means, in terms of heat AND humidity, it is worse than 1936 or 1988, two years that were noted for their terrible heat and large number of 90+ degree days.  This time, it’s not just the heat, it really is the humidity. Fortunately, the last couple of weeks have been down-right pleasant for people and plants.

Green pear tomatoes on vine

Chocolate Pear tomatoes ripen on the vine.

So, how are the tomatoes doing?

With one exception, the container tomatoes (five plants total) look good. (I have another tomato in the ground that’s growing well.) They have adequate, healthy looking foliage with no signs of blight or spots on the leaves. I am seeing leaf curl, which can be caused by many things, but in my case may be simply because of inconsistent watering. We have had a lot of rain — often in short periods — and this can cause leaves to curl as a defense mechanism. I have watered the tomatoes daily during the dry periods at the soil level to keep watering consistent and prevent splashing soil up on leaves. I’m also giving them regular doses of fish emulsion because nutrients are probably running out of the soil with all the rain.

One of my tomatoes—a yellow pear—really, really did not like growing in a container. Its leaves always curled more than the other plants and its fruit had more blossom end rot than any of the others. One day last week, I threw in the trowel.

“You want out of the container—fine!”

I had a spot near our fence that gets decent light and didn’t have anything growing in it. I dug a big hole — the plant was large! I pruned the plant back to reduce the amount of foliage it had to support; added some organic tomato fertilizer to the hole, pulled it out of its pot and dropped it in. I gave it a good watering and added back the soil to make the fit snug. Frankly, I’m not sure how it will do . I’ve never heard of transplanting tomatoes at this size, but it actually looks happy. It has produced some new flowers since the transplant, though and that’s a good sign.

Yellow pears are one of my favorite tomatoes, because I like to make Thomas Jefferson’s jam with them. In the past, they have produced well into the fall.

Blossom end rot

Bleech! Blossom end rot.

Sorry for the gross photo, but that’s what I’m seeing on some of my tomatoes. Blossom end rot  is also related to inconsistent watering. Because most of the over-watering has been done by Mother Nature, there isn’t a lot you can do. I have been picking any tomatoes that show signs of blossom end rot off the plant as soon as I see it. Why have a plant put the energy into producing rotten fruit? It’s early enough in the season that the plants will continue to set flowers and produce healthy fruit.

Harvest Time?

We are getting into peak harvest season for tomatoes. So far, I’ve picked a half a dozen or so, mostly plum and cherry tomatoes. A couple of my big slicers have fruit that is ripening fast, so I’m hopeful I’ll be enjoying a big BLT within  a week or so.

How are your tomatoes doing?

 

 

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Comments

  1. Beth @ PlantPostings says

    August 1, 2018 at 6:06 pm

    Yum! My tomatoes are close, but not ready yet. It looks like it will be a good year for them, though. Wowza–hard to believe the record-breaking heat and humidity you’ve had! We’ve broken individual date records, but I don’t think we’ve broken the record you mention. Lately, the weather has been so pleasant, but I’ll have to crank up the A/C again, starting on the weekend. Stay cool!

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