Is it possible to grow a bulbs out of season like summer season in a greenhouse to get blooming?
Our summer reaches 45 C.
Growing bulbs out of season is tricky. I presume you are talking about spring flower bulbs like daffodils, tulips or crocus. You can force bulbs in a greenhouse or inside the house to have them flower earlier. The higher temperatures inside gets them to start their growth sooner. Convincing them to grow later in the summer would be more difficult. You would have to store the bulbs cool e.g. in a refrigerator to trick them into thinking that it is still winter. This is probably possible in a small scale but not for planting out into a garden. These type of bulbs would not like the summer heat of 45 degrees C either and would not last very long. It would be much more successful and easier to stick to summer flowering bulbs and perennial garden plants like dahlias, lilies, gladioli, asters, daylilies, iris, ...