Grow your own giant sunflower with our sunflower grow pot. A complete sunflower growing kit. An ideal supervised activity for children. It contains everything you need. You only have to add water. Sow indoors from Jan to March. Flowers: June to September. Kit includes one terracotta pot, one sachet of seeds and nine coir discs. Growing instruction: Place coir discs into the bowl and add 250ml water. Allow water to get fully absorbed to create a soil-like consistency. Sow one or two seeds per pot. Water regularly and don't allow the growing medium to dry out. Place the seedlings outside once the risk of frost has passed. Transplant seedlings into large pots or directly into the garden. Support growth with garden canes.