You may have heard of tricks like adding coffee grounds, vinegar or even pennies or a bundle of rusty nails to the soil. So what if your soil pH isn't low enough for blue flowers? To turn hydrangeas blue, you'll need to make your soil more acidic. Related: 10 Things to Know About Your Garden Soil Adjust Your Soil's pH
Remember, if you want blue hydrangeas, you'll need to have a soil pH of 6.5 or lower, and aluminum must be present. Match this color to the provided chart to determine your soil's pH.
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Keep reading to learn how to change the color over time. When you buy your hydrangea plants the flowers may be pink. It's a beautiful and reliable choice for garden borders, containers, or as a stand-alone accent. With the right care, this hydrangea's large flowers will shift to a captivating blue, making it truly stand out. The compact habit makes it suitable for both container gardening and landscapes.
This plant is easy to change color and has beautiful sky-blue flowers with green centers. Renowned for its consistent blooms, regardless of location, this reblooming hydrangea is also quite resilient. Plus, the buds are more cold-tolerant, which means it blooms well even in zones 5 and 6. Reblooms prolifically on new growth throughout the summer. This variety is tough in harsh Midwestern winters and reblooms for months of colorful flowers.Ī consistent bloomer, producing waterlily-like double florets that fluctuate between pink and blue, depending on the soil's chemistry.
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Enjoy full mophead flowers that are either pink or brilliant blue. This performer blooms reliably on both old and new wood even in challenging conditions like zone 5.Īn easy-to-grow hydrangea that's great in cold weather and doesn't need pruning. It's large, full flower heads turn deep blue in acidic soils, but are pink in alkaline ones. Try these Proven Winners ® varieties in your garden: Let's Dance ® Blue Jangles ®Ī popular rebloomer with a tight, compact habit. Related: 6 Types of Hydrangeas Demystified 6 BEAUTIFUL BLUE HYDRANGEAS Smooth and panicle hydrangeas undergo some color change as they age, but their flowers cannot be turned blue. Important: Only bigleaf and mountain hydrangeas can change their color in a predictable, controllable way.
The aluminum interacts with the pigments in the petals, leading to a stunning blue color. So why does soil pH determine color? In acidic soil, aluminum is more readily available for hydrangeas to absorb.
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Plus you'll get tips for how to achieve this feat effectively. Here you'll discover several varieties of hydrangeas that will produce gorgeous blue flowers. One of their unique aspects is their ability to change color, especially shifting from pink to mesmerizing shades of blue. Hydrangeas are some of the most sought-after flowering shrubs due to their incredible blooms and versatile nature. Buy blue hydrangeas - Order online and have them shipped right to your door
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