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Acidic soil and compost will gradually turn more neutral over time, so the hydrangea flowers will slowly return to pink or red unless you keep topping them up with aluminium sulphate. You’ve probably heard that you can change the colour of hydrangea flowers by making some changes to the soil. Caring for your Lawn is a top priority. Here at Gro-well we want to make sure your garden and Lawn look at its very best. Tap water in hard water areas has higher levels of alkaline, which will counteract the acidic compost or additives that make or keep hydrangeas blue. Don't let the changing seasons put a damper on your barbecue plans; invest in a high-quality barbecue cover today to preserve your grill's longevity and keep those autumn flavours sizzling all season long. Shop Barbecue Covers >

Hydrangea Colourant by Westland | Jumbo 500g Elixir Gardens® Hydrangea Colourant by Westland | Jumbo 500g

Hydrangeas will only produce blue flowers in acidic soil, and if your hydrangea is blue and you haven’t made any changes to the soil, it’s most likely because the soil is naturally acidic. Acidic soil will yield the best results, but if you don’t have this you can double the proportions of Hydrangea Colourant. The easiest way to change the pH, so it’s more acidic is to add aluminium sulphate in powder or liquid form.When I changed the soil pH to between 6.5 and 7, those same hydrangeas started to turn pink or red, and at 7 or above, they were a deeper red and more vibrant pink.

Vitax Hyrangea Colourant 250g - Gro Well Direct Vitax Hyrangea Colourant 250g - Gro Well Direct

From classic designs to trendy patterns, our autumnal wellies are both functional and fashionable. Whether you're hiking through colorful forests, jumping in puddles, or strolling through pumpkin patches, our wellies are your go-to choice for staying dry and comfortable. Shop Wellingtons > We are hugely proud and honoured to have a Royal Warrant of Appointment for the supply of fertilisers to the Household of HM The Queen, a mark we have had the privilege to hold since 1965. Pale pink varieties will tend to get the best results with darker pink flowers turning to mauve or blue. If you’re worried about your fertiliser changing the pH of the soil, choose a feed that was specifically formulated for hydrangeas.I used and preferred the powder as it was cheaper, lasted longer, and I’ve been told that the liquid can easily burn the leaves if spilt. Produces great results – pale pink get the best results with darker pink flowers turning to mauve or blue Hydrangeas grown where iron or aluminium salts are present have a tendency to produce blue flowers. If you have pink flowering Hydrangeas and want them to turn blue then Vitax Hydrangea Colourant can yield great results. I just added a scoop of powder (about 50g) to the existing soil, and then every 7-14 days, I added another scoop to 5 litres of water and poured it around the base of the hydrangea. Enhance your camping experience with our extensive range of camping gear. Stay warm with insulated sleeping bags and cosy sleeping mats as you spend a night under stars Shop Sleeping Equipment >

Vitax Hydrangea Colourant 250g | Charlies

Hydrangeas growing in the presence of iron or aluminium salts will tend to change colour and produce blue flowers. Varieties naturally pale pink tend to blue best, the darker pink varieties turning to mauve/ blue. Best results are obtained with plants growing in acid soil. If the soil is alkaline the following proportions should be doubled. Daniel is a gardener who has a long history working in landscaping and building trades. He completely redesigned his garden and is continually experimenting with new ornamental plants and products. If you try this, you’ll need to continue adding the aluminium sulphate to the soil for as long as you want to keep the blue or purple colour. As the days grow shorter and darkness descends earlier, explore a stunning selection of LED garden lights & solar-powered lanterns, designed to enhance the beauty of your garden even after sunset. Shop Outdoor Lighting >Hydrangeas that grow where iron or aluminium salts are present tend to change colour and produce blue flowers. Depending on the variety, pale pink hydrangeas will turn blue best with darker pink varieties turning to mauve or blue. We are specialists in the supply of most essential things needed for successful gardening and growing. From fertilisers, plant foods, composts and lawn products to highly effective weedkillers and pest control products used by everyone from weekend gardeners and gardening enthusiasts to professional growers, groundsmen and greenkeepers. Most plants in the garden thrive in soil with a pH between 6 and 7, but if you want to turn a pink hydrangea flower into a blue one (or keep a blue one the same colour), you’ll need to make sure the soil is more acidic. Always keep out of reach of children and wear protective gloves and eye protection where possible during use. After establishment of plants dilute the colourant as directed and water weekly during the growing season.

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