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This article is a list of diseases of hydrangeas (Hydrangea macrophylla). Bacterial diseases. Bacterial diseases; Bacterial blight Pseudomonas solanacearum:
Hydrangeas planted in flower beds can stay there over the winter. “Plant relocation isn't necessary in any zone, as hydrangeas are very cold hardy,” says Rock. In many cases, simply mulching ...
Hydrangeas are brimming with nostalgia, stirring memories of endless Southern summers. When winter arrives, these charming plants need a little TLC to ensure summer blooms return the following ...
"Here is the problem," said C.L. "On Thursday night, temperatures are supposed to go down to 26. ... So it will be hydrangea triage time this weekend, as we try to determine what Thursday's chill ...
Pucciniastrum hydrangeae is a plant pathogen infecting hydrangeas. References This page was last edited on 10 January 2024, at 22:44 (UTC). Text is available under ...
Hydrangea ringspot virus (HRSV) is a plant pathogenic virus of the family Alphaflexiviridae. External links. ICTVdB - The Universal Virus Database: Hydrangea ringspot ...
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 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.