Like most plants tulips need enough water to survive. Apply water and leave until the soil on the surface is dry then water again. Do not let water lie on the surface.
Enough, once a week so it doesn't die or rot because they don't need much.
50 ml a week will do.
1-2 times a day
none
Yes. They are a plant.
No, they need water.
no, they need water
Salt kills plants so you need to give fresh water to your tulips.
Like most plants tulips need enough water to survive. Apply water and leave until the soil on the surface is dry then water again. Do not let water lie on the surface.
It's not really possible to grow tulips - or much of anything else - without sun or water. Those are essentials, I'm afraid.
Tulips bloom in early spring usually before the trees get leaves. This way, the tulips have sunlight when the flowers need it.
Yes.
No tulips do not need to be covered in a frost. They are very hearty plants and actually last longer in cooler temperatures.
Quite possibly they are planted too deep or need to be divided.
a few houres
cold water and water at night dont water when the sud is out