Flower that change color

Flower that change color
Hydrangea
Hydrangea is a model genus for this particular chemical change in flowers. Floral pigments in Hydrangea are affected by the presence of aluminum ions in the soil, causing changes in flower color from red, pink, blue, light purple or dark purple.
hibiscus
lantana
The anthocyanin pigments in lantana change its red flowers with yellow centers into intense red florals with orange centers upon pollination.
morning glory
Morning glory is a master when it comes to changing colors. You can see the change in hue from blue to pink or slightly towards a red shade in the course of a day. Experiment with the soil pH for a more dramatic color shift!
Evening primroses
monkshood
tulip
roses
clematis
kalanchoe