How To Grow Sunflowers From Seeds Indoors. If you already have a fully grown sunflower plant, put the seeds from the flower in an airtight container and keep them in the fridge. Pick a dwarf variety of sunflowers for best results, since larger varieties grow best in the ground.
Older seeds may be harder to grow. If needed, top the pots off with a little more soil. Sunflowers bring bright color to the garden.
And you can even leave the potted sunflowers either indoors or outdoors.
Pick a dwarf variety of sunflowers for best results, since larger varieties grow best in the ground. If you already have a fully grown sunflower plant, put the seeds from the flower in an airtight container and keep them in the fridge. To remove the seeds, brush your hand over the seed head, knocking out the seeds. Growing in grow bags is the same as growing in other pots or containers.