Get more and bigger blooms on your hydrangea with gardener's 'blossom booster' fertiliser

This specific product guarantees to create the best conditions for your hydrangeas to yield the most beautiful, big bloom, garden experts say.

Gardener's hand holding spraying bottle. Spraying blooming hydrangeas with water or insecticides and fungicides from pests of mildew, oidium and other

These particular fertilizing ingredients are known to help hydrangeas grow (Image: Getty)

If you want your hydrangeas to have a big and beautiful bloom, then you must take care of them right.

Hydrangeas are usually considered "heavy feeders" and require "loamy soil rich in nutrients," appreciating extra feeding, to grow, garden experts explain, which is why you must give your flowers some extra TLC with nutrient-rich fertilizer.

In addition, it's critical you prune your plant at the right time. You can also change the colour of your flower with an easy hack that requires treating the soil properly.

When searching for the perfect fertilizer, garden experts revealed what ingredients to look for that will help give your flowers the best chance at having a beautiful, big bloom.

READ MORE: Hydrangea shouldn't be pruned yet if you want full blooms this summer

Purple Hydrangea macrophylla flower in a garden. A lush bush adorns the garden with its beautiful flowers bud.

It is critical to feed your flowers these fertilizers to create healthy growing conditions (Image: Getty)

Madison Moulton, a gardening blogger with Blooming Backyard, shared her tips for fertilizing hydrangeas properly.

"When planting hydrangeas make sure to add plenty of compost to the planting hole and add a few handfuls of organic slow-release fertilizer as well," she says. "Feed every year in spring and again in early fall with a slow-release balanced fertilizer."

She continues to explain that for more buds and blooms, hydrangeas need a fertilizer high in phosphorous such as a 10-20-10 with essential ingredients like nitrogen and potassium are also essential to balance nutrients and take care of root, leaf and stem health.

Woman transplanting hydrangea from pot in soil, using garden shovel

Garden experts recommend looking for "blossom boosters" at stores to fertilize your flowers (Image: Getty)

She says there are also "specific products on the market for the express purpose of helping hydrangeas set bud and give better blooms" sometimes referred to as "blossom boosters" or "bloom boost’.

"This ‘hydrangea food’ is also used on plants like rhododendrons, azaleas, gardenias, begonias and camellias, specifically formulated for better blooming," she says.

To use the product properly, she says to apply it when the buds set on old wood from mid-summer and into fall to increase the number of buds, as well as produce bigger and better blooms the following season.

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