Hydrangeas can change color based on soil pH, with acidic soil producing blue flowers and alkaline soil producing pink flowers.
Some varieties of morning glory flowers change color throughout the day, opening in one color and fading to another as they age.
Certain chrysanthemum cultivars can change color as the flowers mature, often transitioning from a lighter shade to a deeper hue.
Some hibiscus flowers change color in response to environmental conditions, such as temperature changes or sunlight exposure.
Certain dahlia varieties can exhibit color changes as the flowers age, with petals fading or intensifying in color over time.
Gerbera daisies can change color based on temperature fluctuations, with cooler temperatures resulting in deeper colors.
Lantana flowers often change color as they mature, with multiple colors appearing on the same cluster of blooms.
Some rose cultivars can exhibit color changes in response to temperature, sunlight, or soil conditions, creating variations in petal color.