To rationally arrange a planter at a doorway by forming a longitudinal groove on an outer face of a pole main body and providing this longitudinal groove with a support member supporting the planter so as to slide freely in an entrance pole which is installed at the doorway or an end of a garden of a house and is provided with an illumination lamp.

A longitudinal groove 3 is formed on an outer face of a pole main body 2 of an entrance pole 1 provided with a door phone device 7, a mail box 8, and an illumination lamp 9, and a support member 4 supporting a planter A is fitted in this longitudinal groove 3 so as to slide freely. Moreover, the longitudinal groove 3 is provided with a water pipe 5 for supplying and passing water to the supported planter A and is provided with a guide part of the water pipe 5 on a fixing piece 41 fixing the support member 4 on the pole main body 2 of the support member 4. Furthermore, a water introduction part 6 to which a lower end of the water pipe 5 is connected is disposed in a lower part of the longitudinal groove 3, and a connection part 61 of a pipe member which is disposed on one face thereof and supplies water from the outside of the entrance pole 1 to the water pipe 5 is connected with the lower end of the water pipe 5 to supply water to the planter A properly.