Cornflowers Seed Saving Instructions: Allow flowers to mature and fade on the plant. Seed pods develop at the base of the flower and turn light tan to brown when mature. Remove the pod and allow it to dry for a few days. With your thumb rub open the end the pod, loosened seeds should release freely. Sow outdoors shortly after frost! Actually, cornflowers are self seeders, but...collect the seeds if you want them somewhere else in your garden!
I so need to try this. When I was in the Master Gardener program we used the water crystals in planters and I knew it was the same thing in diapers, but it never crossed my mind to put a diaper in the bottom of one. Someone else said, "The trick to amazing potted plants - diapers. I did this in my hanging baskets last year and they rocked all season."
Patio | Petunia and Bidens 'Champagne and Gold Cocktail Mix' Petunia 'Champagne', Bidens 'Goldstar' Half-hardy Annual A sparkling combination for long lasting summer colour in hanging baskets and patio containers.