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Hydrangea flower color changes based on the pH in soil. As the graph depicts, soil with a pH of 5.5 or lower will produce blue flowers, a pH of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas. Hydrangea flower color can change based on the pH in soil.
As the graph depicts, soil with a pH of 5.5 or lower will sprout blue hydrangeas, a ph of 6.5 or higher will produce pink hydrangeas, and soil in between 5.5 and 6.5 will have purple hydrangeas. White hydrangeas can not be manipulated by soil pH, they will always be white because they do not contain pigment for color.
Image Year Alabama: Camellia (state flower) Camellia japonica: 1959 (clarified 1999) [1] Oak-leaf hydrangea (state wildflower) Hydrangea quercifolia: 1999 [2] Alaska: Forget-me-not: Myosotis alpestris: 1917 [3] American Samoa: Paogo (Ulafala) Pandanus tectorius: 1973 [4] Arizona: Saguaro cactus blossom: Carnegiea gigantea: 1931 [5] Arkansas ...
Hydrangea quercifolia flowers are borne in erect panicles 6–12 in (15.2–30.5 cm) tall and 3–5 in (7.6–12.7 cm) wide at branch tips. Flowers age in colour from creamy white, aging to pink and by autumn and winter are a dry, papery rusty-brown. Unlike bigleaf hydrangea (Hydrangea macrophylla), flower color does not vary with soil pH ...
Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native to Japan. It is a deciduous shrub growing to 2 m (7 ft) tall by 2.5 m (8 ft) broad with large heads of pink or blue flowers in summer and autumn. [2] Common names include bigleaf hydrangea, French hydrangea, lacecap hydrangea, mophead hydrangea, and ...
Floral color change can also be a result of an increase or decrease in pH. 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. [4]