responses to questions:
vernalization - I assume you mean season-type stuff. This area has all four seasons, in abundance! If you ask me, I'd say Mother Nature goes well overboard with the weather-seasons thing!!
dry spring - you've GOT to be kidding!!
There's a rain shower almost every day!!! An hour here, 2 there, all day sometimes, intermittent . . . spring is when the WORMS try to come inside to keep from drowning!
bulb storage - inside (in my bedroom, so NO food or drink!!
) @ 70 degrees and rather stable humidity versus outside ~ 80-90+ and VERY high humidity (even in the scarce shade)
narcissus bulb fly - I don't think so, as I've not seen the adult fly and the daffodil fronds are their usual, mature height - just absent any budding stalk.
location - first spring (blooms galore) all the bulbs were together in the same area (they were SUPPOSED to be the final stage of my unsuccessful attempt at lasagna layering bulbs. The area might have had roots from the unleafed-out decidoius tree, but I separated them into 4 ddistinct clusters because of the experimental failure. (each different type bulb was separated into their own, individual areas.) THIS spring (only one bloom) the 4 daffodil clusters were in the same flower bed, but well-away from that decidous tree and its possible problem-causing roots.
bulb measuring???
How?? These were good-sized bulbs, golf-ball size or bigger, most with one quarter- half-dollar sized daughter bulbs (which I left attached, as the "net said they'd fall apart when they were ready).
FYi re my bulb curing - these daffodils were the second year I've dug/cured/re-planted daffodil bulbs. ~8 dif varieties, all bloomed. At THIS bulb-curing session, I also cured hyacinth (all bloomed). . . so I'm not looking at my bulb-curing technique.
To prevent another bloomles spring, should I fertilize their areas with granular bulb & flower food or bone (blood?) meal (the one by Espoma is what I have, recomended for bulbs).