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This is a partial list of herbs and herbal treatments with known or suspected adverse effects, either alone or in interaction with other herbs or drugs.Non-inclusion of an herb in this list does not imply that it is free of adverse effects.
Hydrangea spp. hydrangea, hortensia Hydrangeaceae: Hydrangeas are moderately toxic if eaten, with all parts of the plant containing cyanogenic glycosides. [139] Hyoscyamus niger: henbane Solanaceae: Seeds and foliage contain hyoscyamine, scopolamine and other tropane alkaloids.
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.
All hydrangeas are perennials that come back with their luscious blooms year-after-year, but, within the larger hydrangea family, there are two types: old wood hydrangeas and new wood hydrangeas ...
Winter-proof your hydrangeas with these tips. Home & Garden. Lighter Side
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Hydrangea ringspot virus: Tobacco ringspot virus Tomato spotted wilt virus: References. Common Names of Diseases, The American Phytopathological Society
A similar hydrangea danger situation occurred in March 2017, when a seemingly miffed C.L. Fornari prepared to cover hydrangea buds with a tarp at her Sandwich home in advance of a cold snap.