A plant container assembly, comprising: a container configured to hold a living plant with a root mass in a growth medium, wherein the growth medium is disposed, in use, in an interior of the container, the container having a top rim around an opening, the plant container assembly further comprising a pliable cover (18, 28) substantially sealed against the container around the top rim, wherein the pliable cover (18, 28) is flexible and can be moved or bent with the application of pressure, wherein the pliable cover (18, 28), in use, separates the leaf mass of a maturing plant from the root mass and the growth medium disposed within the interior of the container, wherein the pliable cover (18, 28) comprises at least one hole configured to permit the shoot of the living plant to pass through; wherein said at least one hole is smaller than a crown of the living plant during a mature stage of growth of the living plant, with which it is intended to be used, wherein the pliable cover (18, 28) is configured to maintain a substantially sealing contact between an edge of the at least one hole and a stem of the living plant such that the pliable cover (18, 28) imposes a moisture barrier between the interior and an exterior of the container during a growth phase of the living plant, wherein said pliable cover (18, 28) is configured to allow said at least one hole to expand as a result of a pressure exerted by said stem on said at least one hole, characterized in that the container further comprises micro holes configured to permit fluid communication when the container is immersed in water and to prevent plant roots from penetrating from the interior. a container configured to hold a living plant with a root mass in a growth medium, wherein the growth medium is disposed, in use, in an interior of the container, the container having a top rim around an opening, the plant container assembly further comprising a pliable cover (18, 28) substantially sealed against the container around the top rim, wherein the pliable cover (18, 28) is flexible and can be moved or bent with the application of pressure, wherein the pliable cover (18, 28), in use, separates the leaf mass of a maturing plant from the root mass and the growth medium disposed within the interior of the container, wherein the pliable cover (18, 28) comprises at least one hole configured to permit the shoot of the living plant to pass through; wherein said at least one hole is smaller than a crown of the living plant during a mature stage of growth of the living plant, with which it is intended to be used, wherein the pliable cover (18, 28) is configured to maintain a substantially sealing contact between an edge of the at least one hole and a stem of the living plant such that the pliable cover (18, 28) imposes a moisture barrier between the interior and an exterior of the container during a growth phase of the living plant, wherein said pliable cover (18, 28) is configured to allow said at least one hole to expand as a result of a pressure exerted by said stem on said at least one hole, characterized in that the container further comprises micro holes configured to permit fluid communication when the container is immersed in water and to prevent plant roots from penetrating from the interior.