There are a few main reasons that you may not see blooms on your hydrangea bushes: sun exposure, over-watering and over-fertilizing. Endless Summer® hydrangeas prefer morning sun and afternoon dappled shade. If they are planted in full sun, it may be too hot and intense for the blooms to produce. Also, over-watering and over-fertilizing your plants can inhibit bloom production. Hydrangeas prefer moist, but not wet soil, and one application of fertilizer in spring or early summer. For additional planting and care tips, please click here.

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I pruned my hydrangeas back after an early frost and now I am not seeing blooms. Why is that?

How to prune hydrangeas is a great question. If you pruned your hydrangeas back to the base, it will take some time for the new growth to develop and produce blooms. Be patient and look for the green growth coming up from the base of the plants. That is where your new blooms will grow from!

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I had several small blooms on my hydrangeas last year, so this year I have fertilized every 10 days until I saw blooms starting to develop. What else should I be doing to get big blooms?

The first rule of thumb is to NOT over-fertilize your hydrangea plants. We suggest one application of granular fertilizer in spring or early summer, and then follow package instructions afterwards. If you over-fertilize, it can burn the root system of your hydrangea bushes and actually inhibit bloom production. For more tips on fertilizer and how to achieve big, beautiful blooms, please click here.

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My hydrangeas have brown dry spots on the leaves and brown petals on the bloom. What do I need to do to make the hydrangeas healthier?

If the spot is round and brown with a red to purple ring, you likely have Anthracnose. Remove the affected leaves and dispose away from your plants. Treat with a fungicide and repeat as necessary. If the margins of the leaves fade from green to grey and then turn brown, the plants were dry for too long. If the petals of the flowers turn brown at the tip, not enough water was applied. Both the leaves and the flowers will show lack of water very quickly.

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I planted my hydrangeas in a location with at least 6 hours of full sun and partial afternoon shade. I read online that hydrangeas prefer that I water them heavily once a week instead of a little water every day. Now my hydrangea bushes are turning brown with no blooms. What am I doing wrong?

Depending on where in the United States you live will determine how much sun your hydrangeas can handle. If you are in a northern state (Zones 4 – 5b), your hydrangeas can handle up to 6 hours of sun in the morning, but as you get further south you should allow for more shade on your plants. In the southern-most regions (Zones 8 – 9), we recommend a maximum of 2 hours of morning sun. Too much sun exposure can cause your hydrangea shrubs to burn on its leaves and blooms. Also, be sure to put your fingers in the soil to see if it needs watering. We do recommend a soak versus light watering each day, but you should be sure that the soil is always moist – not wet – by sticking your fingers in the dirt. If it is dry, give it a good soaking. If it is wet, do not add water. For more information on where to plant and how to water, please click here.

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Do these hydrangea plants survive in containers? Our garden gets really hot, so I think a container would be a better option. Do I follow the same care instructions (watering, fertilizing, etc.) as I would in the garden?

Absolutely! Hydrangea shrubs are perfect as potted plants and give you the ability to move the hydrangeas to different locations and create a focal point in your living space. The care instructions are mainly the same, with a few notable differences. For a complete look at container care, click here.

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What type of fertilizer do you recommend? I know that hydrangea bushes do best with certain kinds of fertilizer because of their big blooms, but am not sure what to buy!

We recommend a granular, slow-release fertilizer with a NPK ratio of 10-30-10. If you cannot find that specific ratio, ask your local nursery for a fertilizer with a high concentration of phosphorus, as that encourages the bloom growth. For more information, please click here

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I bought these plants because I wanted big, beautiful blue hydrangea bush in my garden. I got big blooms, but they are PINK! What did I do wrong?

The pH level of your soil determines hydrangea colors. If you have a pink hydrangea and you want a blue hydrangea, no problem! Pink blooms develop in alkaline soil, so certain amendments need to be made to lower the pH and create an acidic soil situation. We suggest Color Me Blue soil sulfur to encourage blue bloom production. This is safe, organic and all-natural. There are also other natural remedies to changing hydrangea colors. To encourage blue blooms in alkaline soils, add aluminum sulfate, composted oak leaves, pine needles or coffee grounds. There are more tips, including how to change from blue blooms to pink hydrangea, click here.

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I planted my Endless Summer hydrangea in an area that is far too sunny and hot, so I’d like to transplant them to a more shaded area. What is the best time of year to do this, and are there any other tips I should know?

If you are transplanting your hydrangea bushes, we recommend doing so while it is dormant.That means transplanting your hydrangea shrubs in late fall, after the first frost, or in early spring before it has woken up for the summer.

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I live in an area that gets a lot of snow during the winter. Should I prune Endless Summer Hydrangeas back like I do with my other hydrangea bushes? What else should I do to protect them from the freezing winter months?

The great thing about Endless Summer® hydrangeas is that you don’t need to prune them back to the base like other hydrangeas. Since they bloom on previous years’ growth AND the new season’s growth, you can leave them all winter long to achieve double the blooms next spring. Do NOT prune the hydrangea back in fall. Leaving the fall blooms on your plants over the winter provides winter interest, and ensures you aren’t removing buds that will become flowers in the spring and summer. Leaves, wood mulch and/or straw are good options to insulate your plants. Mound the mulch or leaves around your plants at least 12” high to protect the flower buds that will bloom early next year. For more Overwintering tips, please click here. If your hydrangeas are planted in containers, please click here.

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