A box-like enclosure for transporting cut flowers and plants is provided. The box has an upper wall, four side walls, and an open lower end. The box can be of predetermined cross-sectional dimensions sized to receive a container for holding cut flowers with a clearance fit. The box can a plurality of openings for increased air flow within the box and for a user to engage with their hands when moving the box alone or the box and enclosed container. An air gap is provided above the top of the flowers. The enclosure can be made as a flat blank of suitable water-resistant material which can easily be assembled when needed.