Thank you so much, so much great information! That page is going in my bookmarks immediately, as I know I was hit by something nasty late in the season last year that I'd like to be able to identify if it happens again.
At this point though, I'm pretty sure it was nutrient deficiency; I got...
One of the cultivars in the heirloom pack is black krim, so a few might be - but pretty much all the plants have the purple leaf. It was actually more the spotting on the underside that I was trying to figure out; the purple I'd chalked up to phosphorus deficiency. Or physical stress I guess...
I had considered that - it really does look like it - but these are indoor plants and as of yet, I haven't seen any insects in the room they're in at all, nor any on the plants themselves. Aphids are usually pretty obvious, and I don't know how they or leafhoppers would get into the house. I did...
I was going to try to get them all potted up first, give them a few days to settle from that, and then start hardening them off over the next few weeks. We don't usually get past frost danger here until mid-late May, but the days are already lovely - 68 degrees today.
I'm starting to think it...
I used Jiffy Seed Starting Mix, which I assumed was sterile but to be fair, it doesn't actually say so on the bag. That said, I've had zero incidence of damping off, so I'm pretty sure the seed starter was clean.
I started them originally in little Jiffy peat cups, then potted them up to brand...
Hey, new here but desperately needing a positive ID on the problem cropping up in my tomato seedlings. I've never grown them from seed before so I don't know what to look for. No disease profiles online seem to match it exactly - I thought maybe bacterial spot/canker, but it's not quite right...