What is the best time to plant tulip bulbs?

Question

I have some in a pot with the green stems petruding the soil about two inches.

Answer 1

Fall is the best time for planting, though spring planting can be done if necessary but flowering may be put off until the following season. These articles should also help: https://www.gardeningknowhow.com/ornamental/bulbs/bgen/how-to-plant-a-flower-bulb-in-your-garden-after-winter-forcing.htm
https://www.gardeningknowhow.com/ornamental/bulbs/tulips/tulips-care-and-tulip-planting-tips.htm

Answer 2

best time to plant tulip bulbs, in the fall,if later you may not get any flowers, but at least you will get growth for bulbs,for next year