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Remember that bigleaf hydrangeas bloom on old wood, so wait until after the plants complete flowering in summer to prune. At this time, strong new shoots will be developing from the crown of the ...
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Protect your beloved shrubs from the cold with these quick tips.
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.
This article is a list of diseases of hydrangeas (Hydrangea macrophylla). Bacterial diseases. Bacterial diseases; Bacterial blight Pseudomonas solanacearum:
The inflorescence is a corymb up to 15 centimetres (5.9 in) wide. Showy, sterile flowers are usually absent or if present they are usually less than 1 cm in diameter on the edge of the panicles. [4]
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The horrendous chill wreaked havoc on hydrangeas, roses, lavender, and heaths and heathers. We only saw a few hydrangea blooms in my corner of the world last year, a sorry state of affairs that ...