--- product_id: 61830640 title: "Hydrangea Colourant, 500 g" brand: "westland" price: "€ 23.59" currency: EUR in_stock: true reviews_count: 8 category: "Westland" url: https://www.desertcart.at/products/61830640-hydrangea-colourant-500-g store_origin: AT region: Austria --- # Enhances flowering with potassium Boosts nutrient absorption for vibrant leaves Transforms pink hydrangeas to blue Hydrangea Colourant, 500 g **Brand:** westland **Price:** € 23.59 **Availability:** ✅ In Stock ## Summary > 🔵 Elevate your garden’s style with hydrangeas that demand attention! ## Quick Answers - **What is this?** Hydrangea Colourant, 500 g by westland - **How much does it cost?** € 23.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/61830640-hydrangea-colourant-500-g) ## Best For - westland enthusiasts ## Why This Product - Trusted westland brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flowering Amplifier:** Potassium-enriched formula promotes more abundant, eye-catching blooms. - • **Nutrient Powerhouse:** Infuses soil with nitrogen for lush, greener foliage that stands out. - • **Vibrant Blue Bloom Boost:** Turn your pale pink hydrangeas into stunning blue masterpieces with ease. - • **Tailored for Acidic Soils:** Optimized for acid-loving hydrangeas, with guidance for alkaline soil adjustments. - • **Easy Application, Lasting Impact:** Simple weekly soil treatments ensure consistent, vibrant color shifts all season. ## Overview Westland Hydrangea Colourant is a scientifically formulated liquid salt that transforms pink hydrangea flowers to vivid blue or mauve shades. It enhances nutrient uptake, promoting greener leaves and more prolific flowering through nitrogen and potassium enrichment. Designed for easy soil application during the growing season, it delivers reliable, vibrant color changes especially in acidic soils, making your garden the envy of every plant lover. ## Description From the manufacturer Westland Hydrangea Colourant Westland Hydrangea Colourant is a salt which changes pink hydrangea varieties to blue. It also changes darker pink varieties to mauve blue. This colourant easily absorbs nutrients, as well as nitrogen for greener leaves. Key Benefits Changes pink hydrangeas to blue Easily absorbs nutrients Nitrogen for greener leaves Potassium to boost flowering What to expect Pink Hydrangeas will produce blue flowers and darker pink Hydrangeas will be mauve. How to use Established shrubs Mix the Hydrangea Colourant into the soil at the rate of 50g per square metre. Every 7 days during the growing season dissolve 50g of hydrangea colourant in 5 litres of water and apply to the area of soil covered by the shrub. Do not apply directly on plant foliage. Container-grown Hydrangeas When potting, mix the Hydrangea Colourant into the compost at the rate of 50g per 5 litres of compost. Every 7 days during the growing season dissolve 50g of hydrangea colourant in 5 litres of water and water the soil round the plant. Best results are obtained with plants growing in acid soils. Where the soil is naturally alkaline use an Ericaceous compost (such as John Innes Ericaceous Compost or Gro-Sure Ericaceous Compost) instead or double the application rate When to use Apply Westland Hydrangea Colourant between April and September Some Hydrangeas are bred to show pink flowers in all conditions — please check the plant label. Do not apply Hydrangea Colourant directly on plant foliage. Best results are obtained with plants growing in acid soils. Where the soil is naturally alkaline use an Ericaceous compost (such as John Innes Ericaceous Compost or Gro-Sure Ericaceous Compost) instead or double the application rate Hydrangea Colourant doesn’t contain any organic elements so shouldn’t be attractive to animals. Review: Arrived quickly - Does exactly what it says on the carton, keeps my hydrangea nice and blue. Review: Good product - I didn't realise that this was a card tube, rather than plastic. Tube was crushed during postage and leaking slightly ## Features - Causes serious eye damage. - Changes pale pink hydrangeas to blue. - Changes dark pink hydrangeas to mauve blue. - Will enhance the colour of any line hating plant. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0779Q2T26 | | Best Sellers Rank | 797 in Garden ( See Top 100 in Garden ) 5 in Flower Fertilisers | | Brand | Westland | | Brand Name | Westland | | Coverage | Flowering plants, especially hydrangeas | | Customer Reviews | 4.2 out of 5 stars 1,213 Reviews | | Item Form | Liquid | | Item Type Name | Hydrangea Colorant | | Item Weight | 0.44 Kilograms | | Item form | Liquid | | Item weight | 0.44 Kilograms | | Manufacturer | Westland | | Model Number | 20600082 | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | 20600082 | | Specific Uses For Product | Hydrangea Colorant | | Specific uses for product | Hydrangea Colorant | | Target Species | hydrangeas | | Unit Count | 1.0 count | ## Product Details - **Brand:** Westland - **Item weight:** 0.44 Kilograms - **Item form:** Liquid - **Specific uses for product:** Hydrangea Colorant - **Manufacturer:** Westland ## Images ![Hydrangea Colourant, 500 g - Image 1](https://m.media-amazon.com/images/I/51MNjcpzQNL.jpg) ![Hydrangea Colourant, 500 g - Image 2](https://m.media-amazon.com/images/I/91sh3ldQCSL.jpg) ![Hydrangea Colourant, 500 g - Image 3](https://m.media-amazon.com/images/I/91f-HLUGE0L.jpg) ![Hydrangea Colourant, 500 g - Image 4](https://m.media-amazon.com/images/I/81oNQpv-+4L.jpg) ![Hydrangea Colourant, 500 g - Image 5](https://m.media-amazon.com/images/I/81MKQW7eQmL.jpg) ## Questions & Answers **Q: Is it too late in the season to use? Mine are just starting to bud...** A: It is never too late or too early to use Westland Hydrangea colourant. As soon as Spring is upon us use the colourant on the Hydrangea with large flowering heads thus giving a magnificent show of blue colour. I **Q: Is it too late you use it now?** A: Yes it is too late. It may turn your flowers that are not yet flowering a darker pink **Q: I want to turn a pink Hydrangea blue so I have one of each colour . Is it worth treating the flowering potted plant now 7/19 or leave it til next year** A: Start now - I bought mine "blue" went pinky/mauve so started the colourant a month ago - every 7days diluted it is now mauvy/blue so well on the way **Q: What is the crystal salt? Is it safe for bees???** A: Thank you for your enquiry, this product is not harmful to any wildlife including bees, we would not be permitted to sell the product if it was dangerous to wildlife. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Arrived quickly *by A***S on 9 June 2026* Does exactly what it says on the carton, keeps my hydrangea nice and blue. ### ⭐⭐⭐⭐ Good product *by A***R on 15 March 2026* I didn't realise that this was a card tube, rather than plastic. Tube was crushed during postage and leaking slightly ### ⭐⭐⭐⭐⭐ Colour change *by V***S on 9 July 2026* Wasn't sure if it would do the job but a year on from using it, its worked and even did the hole plant good too, perfect ## Frequently Bought Together - Westland Hydrangea Colourant, 500 g - Westland 20100444 Hydrangea High Performance Liquid Plant Food 1 Litre, Green - Miracle-Gro 121180 Azelia, Camellia & Rhododendron Concentrated Plant Food, 800 ml, Natural --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/61830640-hydrangea-colourant-500-g](https://www.desertcart.at/products/61830640-hydrangea-colourant-500-g) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-19*