New wood versus old wood: To figure out what gardeners mean when they talk about old and new wood, take a look at your plant while it’s in bloom. If the blooms are on stems and branches that appeared on the plant during the previous year or years, then that species of hydrangea blooms on old wood. If the blooms are clustered on new stems and branches that first appeared in early spring of the current year, then your plant blooms on new wood.
New wood versus old wood: To figure out what gardeners mean when they talk about old and new wood, take a look at your plant while it’s in bloom. If the blooms are on stems and branches that appeared on the plant during the previous year or years, then that species of hydrangea blooms on old wood. If the blooms are clustered on new stems and branches that first appeared in early spring of the current year, then your plant blooms on new wood.
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