Hydrangea Hydrangeas are known for their ability to change colour based on soil pH. Acidic soils produce stunning blue blooms, while more alkaline soils result in pink flowers.
Confederate Rose This cotton rose variety includes cultivars like Rubus and Plena. The flowers typically open white in the morning, then gradually shift to pink or red by afternoon or the following day.
Brunfelsia Grandiflora
Brunfelsia grandiflora, commonly called "yesterday-today-and-tomorrow," has flowers that start purple or lavender and fade to white over two days during the warmer months.
Calibrachoa
Known for their small, colourful blooms, Calibrachoa blooms flower all season with little effort. Their blooms come in nearly every colour.
Four O'Clock
A single plant can display multiple flower colours simultaneously. Some flowers even shift shades, such as yellow turning to dark pink and white transitioning to violet.
Common Lungwort
Lungwort flowers begin as bright pink, then transition to violet, and eventually turn deep blue. Historically, this plant was used for lung-related treatments during the medieval era.
Lantanas
Lantanas are low-growing plants with blooms that change colours as they mature. Their multicoloured clusters of flowers can bring a visual interest to gardens.
Larkspur
This lovely flower has blue florest when the pH level in the soil is acidic. However, they fade to a pale pink or white when the pH level increases.
Butterfly Pea
These flowers have a blue or white hue. However, the colour can change based on the type of soil.
Morning GloryThese flowers vary from blue to pink or even red over the course of a day. Change the soil pH for a more dramatic colour shift!