homestead how-to
Black walnut trees produce juglone, a substance toxic to many plants, including hydrangeas.
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Sunflowers thrive in full sun and hotter conditions, making them quite different in their needs compared to hydrangeas.
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Lilac bushes prefer full sun and alkaline soil, contrasting sharply with the acidic soil and partial shade that hydrangeas need.
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Rosemary is a perennial herb that flourishes in sunny, dry environments and prefers lean, well-draining soil.
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Amur maple, while smaller than many trees, still competes intensely with hydrangeas for root space and nutrients.
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Oak trees create a challenging environment for hydrangeas due to their large size and dense canopy.
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