You can give the plants lots of water till the fruit are about 7-10 days away from ripening then hold back as much as possible without killing the plants.
My experience and understanding would indicate that seeds that mold up are not viable, never had a moldy one sprout I assume the embryo is dead and the mold is taking advantage of the moist conditions to grow and consume the food stores in the seed that are no longer going to be used by the...
@digitS' I can only grow peas here during the cooler months when temperatures are low enough that powdery mildew is not active. I'm about to germinate some tomato seed, it is perceived as too cold here to grow tomatoes in winter but it is also the best time in my opinion as all the pests and...
Most seed starting media lack much in the way of nutrition unless they state otherwise, once the plants burn through any reserves they had stored in the seed they will start to starve. I usually give most seedlings a weak liquid feed while young but it can be trial and error depending on what...
Even if the frosts have passed soil temp will likely still be too low, many things will just come to a complete slow down if the soil is too cold.
With how long you need to wait potting them up to larger pots would be a good idea. What is the growing media you have them in?
Kellogg's Breakfast is a mighty fine tomato when it comes to taste and that color is just fantastic.
I generally don't consume much fresh tomatoes unless grown myself, I tend to stick to oxheart types for sandwiches as they tend to be high flesh and low pulp content stopping sandwiches going soggy.