greenSand sponsors the final of the National Professional Gardening Competition. TuinIdee Den Bosch has been the largest and most spectacular indoor garden event in the Netherlands for 17 years. From Thursday 25 February to Sunday 28 February, the Brabanthallen has been transformed into a paradise for garden lovers. 44,000 garden enthusiasts kick off the spring together with 300 garden specialists. As an active gardener but also as an outdoor enthusiast, you can be inspired by beautiful model gardens and new products. Advice is also available from experienced landscape architects and landscape gardeners. Every year during TuinIdee, the final of the National Professional Gardening Competition takes place. During the competitions, students under the age of 22 create a garden that must meet predetermined criteria. The gardens are each 4 by 4 meters and will be laid out within the set time of 15 hours (30 hours per team). The jury pays attention to creativity, execution and speed.