This is a relatively simple tessellation which should be suitable even for beginners. Despite the simplicity, with a bit of shaping, it can look quite nice.
Models which represent plants such as trees or plant parts such as leaves and flowers. Abstract floral motifs do not count, though the boundary is rather blurry.
A crease pattern was published in Origami Box of the Ultimate Origami Convention 2017.
Instructions for my Houstonia Box were published as part of my Interview for The Fold.
Instructions are available in the 2018 edition of German Origami Convention book.