If the temperatures during the night do not drop below 17°C IN THE SUBSTRATE then you can absolutely do that.
Lower temperatures will consideably suppress the resistance against red blotch - that is correct. But,this comes tpo light particularly if you expose them to rain. I recommend urgently that you protect your seedlings against water from heaven!

Consider using electric heat mats or wires in order to maintain a substrate temperature of 20°C that is still much better and will speed up growth considerably.
Amazingly I read about soil warming in context with comnmecial bulb production in ISRAEL - Go-figure! Gosh, I did not know that temperatures do become so low there.

thanks for your reaction, night temperatrues above 17 degrees are almost rare here, I will keep them inside!
sometimes in my room the temperature drops also below the 17, near 15 degrees or so but I wont let that happen anymore.

I keep my seedlings on a small heat mat, and it seems to help in more ways than one... it not only promotes growth, but it also helps the medium to dry a bit faster, keeping everything from remaining too damp.

How big are your seedlings? Do you have photos to share? I would love to see them!

heh heh, I keep all my blooms in the Florida sunshine year around. I guess I am so spoiled. Dablo it is always nice to hear from you!! Happy spring my dear! Here's my NOID dwarf red enjoying a sun tan.
{{gwi:388597}}

cindee, i wish I lived there in florida, I hate this climate! thanks for your nice words,
and Jodi, here is a pic of them :
{{gwi:380785}}
I am satisfied with how they grow, they are now one year old and they are still looking very happy!
when its summer , they will grow much more and then I will post some pics of them, then you can all see how these are growing!
I hope that i get in 2010 the first blooms in it.

Cindee - That's a gorgeous red noid! What will you name it? It looks very much like Rapido or Pamela, and seems to have the same shape as the flowers open! You are so lucky to live in a climate that allows year 'round outdoor growing! I'm so jealous! :~)

Dablo - They look like healthy, happy little seedlings! I bet they would love a bit of summer sunshine... I plan to take most of my bulbs, including some of my younger, smaller bulbs, outdoors for the summer... that should help them to gain bulb size, and it will help the adults to get ready for next years' flowering! They will be protected inside fencing, and have a screen covering to keep insects away. I may even keep the smaller, younger bulbs located next to a building so I can bring them in if the weather gets bad.

here in my room they get in summer sun from 7.30 'till 11.30 in the morning, hope that that is enough.
if they expect a long warm period with also night temperatures above the 17 degrees (and i really hope that ) I will put them outside;)

Most of mine share an east facing window, with light from sunrise until the sun passes over the house... it seems to be enough for the plants closest to the window... but the ones behind those require extra lighting from grow lights.

I think they'll really enjoy the partially dappled sunlight they'll get from sunrise until afternoon when they're out in the garden area! There are a couple of trees that sort of filter the sun in the area they will be placed in. It should be just enough of a filter to allow them good light, but not too much during the harshest part of summer.

Hi Jodik, how can you see that your seedlings need more light? because I dont see a difference between t he seedlings on the NE window and seedlings on the SW window.

I can tell that some of my plants want more light because they lean toward the window if I don't supplement with grow lights and keep turning the pots. Some of the longer leaves appear to be weaker and lighter in color, as well. The plants that are directly on the windowsill appear a little bit healthier than the ones that won't fit, and have to be farther away from the light coming in.

I just don't think that half a day of winter sunlight is enough for proper growth. The sunlight is weaker, and quite a few days are overcast in winter... they'll all be much happier outdoors where they can get more light from the summer sun.