sorry pressed submit too early

Twice the depth of the bulb usually so 4" for small and at least 6" for the large.

How far apart depends on whether you're planting them in the soil or in a container. If in a container, then plant close together for a good display. If in soil, then plant them in clumps about 4"apart.

Where planting depth is concerned, I never know whether people are referring to the top of the bulb or the bottom of.

Hi Jonathan I always think it means if the bulb is 4" deep the top should be at least 4" below soil making the bottom of the bulb at least 8" below the soil?

If they are too deep, they push themselves up a bit, apparently! Too shallow, and they can be either dug up by accident, or fall over when they flower!