Seeds into ph water warmed to 28C on heat pad in dark for 24 hours, got seed splits but no tails, onto cotton wool waited for tail germ. Nothing. In the past this has worked nearly every single time for me. Once tails get out of seed casing its off to the races, but they just....stalled. I checked my usb temp tracker that reads every .5 hours, no issues. But I thought maybe I need to handle them a little less.
So Try 2 I tried direct sowing into coir, again warmed to static 26.5 C, warm water PH spray to settle in, 8 days, nothing. I figured maybe Id coddle them to life.
Try 3, soaked until tail on two, plastic bagged on paper towels each seed separately for 24 hours, no extra tails, no growth on tails, some didnt split, sowed into seed starter mix, all at 26.5 to 27 during all cycles and on heat tray, its end of day day 6 today, no surface breaks.
Started a couple more, went ultra coddling, waited till ambient temp was dead on 27 outside cabinet from transfer, still only 2 tiny tails and couple splits, bagged into humidity dome on heat pad, preheated coir in degradable cups tempreture checked using propagation thermometer , premade sowing holes, prewatered, soft tweezer trasfer at exact depths, again, day 4.5, still nothing. I havent given up on these Ive just never had to wait more than 2.5 days to see the seed leaves pushing or through, by day 4 I would expect there should be seed leaves out and under lights.
RH been a little up and down, but not wildly in the cabinet, I cant see what I did wrong. Im batting at over 90% using same methods and exact same setup in same cabinet side by side for every other type of seed I germinated this year, but the cannas showing no love. Just a little heartbroken and ego bruising. Seems a lot of meticulous trying, (and seeds for that matter) to still have flat topped containers. Unless Im overlooking something Im out of ideas.
Last time growing I popped 30/30 with first method, by 12 hours in water all had tails, I raised 15 on cotton till tails were over an inch, and direct sowed the other 15, 7 in coir, 8 in seedling mix. Was trying to see what method got them bigger faster, wasnt much difference. Every one on the females went right through no issues.
One way or another Ill get some up, its just never been this hard before.