Replace timelapse Django app with something simpler - or leverage that DB for all the other data too
Create database to start storing data
Create web page to view data and plant status
Create a bot to announce/remind/email/text/alert
Automate watering
Need a server component that will host the data and videos and provide web interface for graphs/status - This could be the local NAS, the pi itself (if it has the diskspace) or a rented remote VPS.