I came on the site today looking for a thread like this. Last week I started 23 varieties, 6-40 seeds per, dense planting in a 50 cell johnny tray with lid and pretty well distributed bottom heat. Temp was set at 75 with a thermostat. I took the lid off when I started seeing multiple sprouts 2 days back and temp is down to about 72F, with light air flow from fan.
The 23 tomatoes are not on the outer ring of cups, so the inner 8x3 grid is tomatoes with 1 empty. I built a box that holds 3 10x20 trays, with two heat mats in the box. The box is actually two old dresser drawers screwed together. The heat is pretty uniform due to depth of box, and this tray is in the middle position.
19 of the 23 have greater than 50% germination after 1 week.
Sunsugar is still 0/12.
Stump of world seed I saved is 0/20. (only one I saved that has not jumped out of its seed coat)
Danceing with Smurfs from trade last year is 0/10.
Eva's purple Ball from trade last year is 1/8.
Black Cherry (2011) is 2/30.
I guess I should replant now, but I figure as soon as I do they will sprout.
BTW - Lithium Sunset from trade last year marked 2014 is 8/7 LOL. I miscounted there at least once. No lagging behind of that variety.
CORRECTION: 5 laggards, added black cherry.
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