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Why Hydrangeas Don’t Bloom?

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Many garden owners are wary because of their hydrangea not blooming and there are many factors why it is happening. The most common reason is inappropriate pruning, winter damage, location, and over-fertilizing. If you are experiencing similar problems, this article can give you helpful ideas to know how you can solve them. Let us discuss each problem one by one for you to understand better what is happening with your hydrangea.

hydrangea not blooming
Hydrangea flower closeup

How Pruning Affects Hydrangea Bloom?


There are different varieties of hydrangea that can bloom in old and new wood. New hydrangea blooms on old wood and new wood will grow next year during the spring season. In the case of newly purchase Nikko Blue Hydrangea, it will produce new bloom during the fall of next year. It means that this year’s fall will produce bloom that will produce flowers for the following spring season. One of the main reasons why hydrangea not blooming is gardeners most of the time does cut this year’s bloom in fall. It will prevent the bloom of flowers for the next year’s springtime.

It is essential not to cut the cycle of your hydrangea by pruning it during the fall season. One can easily tell if the hydrangea bloom on old, new, or both kinds of wood through its plant tag. The best time to cut the plant is during spring when the stem starts to grow without any leaves and very brittle. These are dead stems that you need to cut down close to its base because it will not produce any bloom for the next year’s springtime.

How Weather Affects Hydrangea Bloom?


Another reason for hydrangea not blooming is because of the weather condition in a specific location. It is best to become aware that it is susceptible to cold weather. When the bloom sets in fall and frozen during winter, it is sure not to bloom during the spring season. To prevent frozen bloom, you can consider covering it using burlap. Another effective solution is to fill it with some mulch to serve as insulation to safeguard the buds and overcome winter. Also, do not make a mistake of using plastic as a cover because it can prevent hydrangea from breathing, and it will warm when the temperature starts to rise to cause the plant to die.

Springtime is the best weather for the hydrangea to bloom, but late spring when temperature drop can cause hydrangea not blooming. The best way to protect it from sudden cold weather during spring is with an old towel to cover when the temperature gets colder than usual during the spring season.

How Location Affects Hydrangea Bloom?


It is helpful to find the best location for hydrangeas to bloom before deciding to plant one. It requires enough sunlight of at least 3 to 4 hours every day. Early morning sunshine is suitable until midday, but the afternoon sun is too hot for them. You can check with the plant package and read the label to know the particular variety requirement. It is good to know that new species of hydrangea can grow with full sun. However, take note that this type can thrive in full sunlight requires more watering. By considering the right location, one can prevent hydrangea, not blooming.

How Fertilizer Affects Hydrangea Bloom?


When it comes to fertilizing, it does not require a high dose of nitrogen. As you buy a fertilizer, the first number of the label represents nitrogen (N-P-K). Although nitrogen is imperative for the growth and development of many plants, they need more phosphorus with hydrangea like a ratio of 8-16-6. Phosphorus is crucial for healthy roots and shoots to promote blooms.

The last letter, which is K, stands for potassium, and is essential for the plant’s sturdiness. One of the most critical information to know before you choose to grow hydrangea is that they are acid-loving plants, and you need to look for fertilizer specially formulated for this type of plant. Unable to provide their nutritional needs result in hydrangea not blooming, so it is crucial to fertilize at least twice a year. The first is during early spring and does it again in the middle of the summer. Also, before fertilizer application, make sure that the soil is appropriately moist to avoid root burn.

Knowing all of these critical factors will help gardeners to grow and bloom hydrangea every year successfully. Like any other plant, they need proper care and maintenance, so make sure that you can spend some of your time caring for plants if you want them to grow beautifully and healthy.

Miracle-Gro 2756310 Water Soluble Bloom Booster Plant Food 15-30-15 1.5Kg

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