Here are the slicing and cherry tomato seedlings now. They are all growing nicely. In order to slow them down a little, I'm not fertilizing, and I move them outside where it's cooler, during the day. They just need to hold on a couple more weeks for better weather.
The varieties include favorite hybrids (Better Boy and Lemon Boy), hybrids I haven't tried before (Braveheart, Early Goliath), Russian heirloom types (Golden King of Siberia, Moscovich, Purple Russian), heirloom Classic Beefsteak, a cherries Braveheart, Sugar Rush, and Unicorn, and a yellow volunteer cherry tomato that came up volunteer from last year, probably descended from Sungold.hybrid.
Now that I have the Water Tube plant enclosures set up, I can plant six of these outside in a few days. That will give the soil inside time to warm up. I measured the soil temp, it's about 46 in am and 50s in afternoon, maybe 10 or more degrees warmer than ambient temperature. I'm thinking, maybe the three Russian varieties and classic Beefsteak, Better Boy and Lemon boy.
These were formerly called "Wall'o'Water" but now called "Season Starter". I bought three more via Amazon and set them up yesterday. They hold about 4 gallons of water.
Here they are this morning. No plants in them yet.