Sunflowers, hydrangea, poppies, need to be shocked into drinking due to the make up of the cells in their stems. You may notice a brown mark on bottom of the stem, this is the scolding mark. They need their stems cut, be placed into boiling water for 30 seconds, then placed in to warm vase water with the flower food.
Oasis arrangement, basket, bowl care
Spathiphyllum (Peace lily)