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Hydrangea macrophylla 'Cherry Explosion' USDA Hardiness zones: 4 to 9 Size: 4 feet wide and tall This compact shrub boasts cherry-red flowers that pop against dark green foliage.
In warmer climates (or hardiness zones 4 and above), then you'll only need to do light winterizing on the very coldest nights of the year. ... “For Hydrangea macrophylla and quercifolia, use ...
Hydrangea macrophylla by Abraham Jacobus Wendel, 1868. 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]
For example, Seattle, Washington, and the city of Austin, Texas, are both in the USDA hardiness zone 9a because the map is a measure of the coldest temperature a plant can handle.
A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some ...
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.