A set for assembling a length and shape adjustable planter comprising (a) a plurality of elongate troughs being length customizable by cutting thereof; the elongate troughs having a longitudinal axis and a Π-inverted cross section; the elongate troughs interconnectable therebetween; (b) interconnecting members configured for interconnecting the elongate troughs in series; and (c) end members configured for mounting onto a free end of the elongate troughs. A surface of each trough at least partially is provided with a surface profile distributed over a length of the trough. The interconnecting members are securable on the surface profile.
