When can I plant my lilies I have just purchased from you?

This question was asked by
G. Watling

Having attended the RHS Chatsworth Garden show, I purchased several of your tree Lily bulbs. Please could you advise on the best time to plant these and if they are not to be planted yet, then the best way to store them?

Please plant your lilies as soon as possible as they will still flower this year. Approx 12 weeks from planting.

Loraine Hart