Entell Garden
Manutec Hydrangea Blueing Fertiliser 500g
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$24.99
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Manutec Hydrangea Blueing Fertiliser is tailored to help create those eye-catching blue hydrangeas with its safe nutrient levels and ideal pH values! Get your blooms to stand out from the crowd with this specialised fertiliser!
FAQs - Pink & Blue Hydrangeas
What causes Hydrangea Pinking & Blueing?
The pH levels of the soil that Hydrangeas grow in determine their colour in bloom. In more acidic soils hydrangeas will grow blue (a pH level of 5-6), while they will grow pink in neutral to slightly alkaline conditions (a pH level of 7-7.5).
How do I lower the pH of my soil to achieve Blue Hydrangeas?
For best results use the Manutec Soil pH Test Kit to determine current soil pH levels. To achieve a lower soil pH, it is common practice to add Sulphur to the soil over the course of 4-6 weeks to gradually make it more acidic. It is vital to do this before the flower sepals begin to show to ensure that the soil has been at an acidic pH for long enough to achieve the desired effect. Once soil pH is lowered to desired levels, use Manutec Hydrangea Blueing Fertiliser regularly to maintain optimal conditions for Blue Hydrangeas.How do I raise the pH of my soil to achieve Pink Hydrangeas?
To raise the pH of your soil, follow the same steps above however it is common to add Garden Lime instead of Sulphur to make the soil more alkaline. Once soil pH has reached the desired range, use Manutec Hydrangea Pinking Fertiliser regularly to maintain optimal conditions for Pink Hydrangeas.