Quick Answer: How Do I Keep My Hydrangea Blue?

Does Epsom salt turn hydrangeas blue?

The short answer is yes it will – Epsom Salts is Magnesium sulfate and Sulfur is the mineral that we apply to the soil to lower the pH.

You will also be applying Magnesium which should help enhance the color of your foliage since Magnesium is needed for chlorophyll production..

Are eggshells good for hydrangeas?

If you want pink hydrangeas, crushed eggshells may be one way to get them. Eggshells will slowly break down and reduce the acidity of your soil—making it harder for hydrangeas to absorb aluminum.

Do coffee grounds make hydrangeas blue?

Coffee grounds add extra acidity to the soil around hydrangeas. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. The effect is pretty blue clusters of flowers.

Why is my hydrangea pink instead of blue?

In regards to hydrangeas, the flower color is affected and determined by the soil pH. If your soil is more alkaline, then your hydrangeas will be pink or pinker. … If your soil is more acidic, pH around or less than 5.5, then your blue hydrangeas stay blue or bluer.

Is Baking Soda Good for hydrangeas?

For flowers that thrive in alkaline soil (like begonias and hydrangeas), mix just a little bit of baking soda in with water and use it on those plants. The extra baking soda will help them grow and flower beautifully!

How do I make hydrangeas bloom more?

How to Get More Flowers:Plant smooth-leaf hydrangeas in full sun if the soil stays moist. (Partial shade is better in spots that dry out from time to time.)Water them during times of drought.Amend the soil with organic matter (such as compost).Prune stems back in early spring, just before new growth emerges.

How do I make my hydrangeas purple?

Generally speaking, acidic soil, with a pH lower than 6.0, yields blue or lavender-blue hydrangea blooms. Alkaline soil, with a pH above 7.0, promotes pinks and reds. With a pH between 6 and 7, the blooms turn purple or bluish-pink. To lower your pH, add garden sulfur or aluminum sulfate to your soil.

Will vinegar kill hydrangeas?

While vinegar can kill many common plants, others like hydrangeas, rhododendrons, and gardenias are acid-loving drought-tolerant plants that thrive on acidity. Combine a gallon of water with one cup white distilled vinegar and use it the next time you water these plants.

Is tea good for hydrangeas?

Choose a good garden soil, moist and high in organic matter, to give your hydrangea a strong start. … Coffee grounds and tea bags can be used as a mulch around hydrangeas. It changes the pH of the soil and makes the pink ones turn to blue.

Are banana peels good for hydrangeas?

Additional soil improvers such as rock dust minerals, Epsom Salts (magnesium sulphate), mulch, worm castings, chopped banana peel or slow release plant food can all add valuable minerals and nutrients to the soil. These will boost your hydrangea’s growth.

How do you take care of a potted blue hydrangea?

Potted hydrangeas – often called florist hydrangeas – are easy to care for indoors, providing you keep the soil moist. Don’t let them dry out! You’ll find that those large leaves and big blooms make them thirsty plants. But don’t allow water to accumulate at the bottom of the pot.

What is best fertilizer for hydrangeas?

A good all purpose 12-4-8 or 10-10-10 composition will provide all the fertilizing hydrangeas need. Either a chemical source or organic matter can be used successfully. Applying a once a year slow-release chemical formulated for shrubs and trees is the simplest solution to hydrangea care and feeding.

How often should I put coffee grounds on my hydrangea?

Changing the Soil Acidity Alternately, dump your coffee grounds into your compost bin and add the compost as part of your twice-yearly fertilizing ritual for your hydrangeas.

What side of the house do you plant hydrangeas?

Generally, hydrangeas prefer partial sun. Ideally, they will be given full sun in the morning, with some afternoon shade to protect from the hot midday sun. This is especially true for the Bigleaf hydrangea (H. macrophylla), which is prone to wilting.

How do I make blue hydrangeas with vinegar?

To increase the acidity of your garden’s soil, use vinegar! For each gallon of water in your watering can, add one cup of white distilled vinegar and pour on your hydrangeas. The acidity of the vinegar will turn your pink hydrangeas blue or keep your blue blooms from turning pink.