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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.
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 ...
Common name Scientific name 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 ...
Depending on the type, hydrangeas grow in USDA Hardiness zones 3 to 9 (find your zone here).Many can handle full sun, which is considered 6 or more hours of direct sunlight.
Hydrangea aspera has lace capped, flat-topped inflorescences with flowers that vary in color based on the pH level of the soil. [7] [8] The sterile flowers of this species have longer sepals than those of the fertile flowers. [2] Plants that grow in more acidic soil have flowers that are various shades of blue.
Hydrangea serrata is a species of flowering plant in the family Hydrangeaceae, native to mountainous regions of Korea and Japan. Common names include mountain hydrangea and tea of heaven . Growing to 1.2 m (4 ft) tall and broad, it is a deciduous shrub with oval leaves and panicles of blue and pink flowers in summer and autumn (fall). [ 1 ]