Depends on how much sun it needs, if you bought it at a nursery, there should be a card on it that says how much. If it needs more shade, plant it on the side of the hill that doesnt have as much sun.
Crocus, Tulips, Daffodils, Hyacynth, Iris
underground
Probably squirrels or rabits. That's what eats my plant bulbs.
yes, they grow towards all lights.