15. How long do plants take to sprout? Joonas May 30, 2023 08:31 Updated Follow Most plants sprout within 1-2 weeks, with some fruiting plants taking up to 3 weeks in some cases. If your plants have not sprouted within 3 weeks then definitely contact our support who will help you out with any problems. Related articles 16. What is the life cycle of plants in the Smart Garden? 19. How to get rid of mold and algae? 18. How to pollinate my plants? How fast do seeds germinate? 14. What is the shelf life of the plant pods?