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How Long Do Hydrangeas Bloom (And Why)?

Exact Answer: 1-3 Months

With the first days of warm weather, your hydrangeas transform from a skeleton of bony stems to a lush, rounded shrub. The huge leaves are a vibrant green, but it’s the blossoms that stand out. Each inflorescence is a cluster of tiny flowers, some beautiful and sterile, others inconspicuous and fertile, that vary in shape and colour depending on the species. 

Each cluster has an exploding firecracker-like development pattern. The hydrangea species determines when the flowers bloom and for how long. Many people want to plant hydrangeas but don’t know when, how, and for how long they bloom. .

How Long Do Hydrangeas Bloom?

Blooming LevelTime-Taken
Minimum1 Month
Maximum3 Month

Hydrangeas are flowering shrubs with woody stems that are grown for their lovely blooms. The simple answer to when hydrangeas bloom is that they bloom from mid-spring until late summer or early October. The answer isn’t clear because, aside from being a hydrangea, the timing of hydrangea blossoms is determined by a variety of factors. 

So, if your hydrangea isn’t blooming this season, you might want to learn more about your variety and other elements that affect blossoming. Hydrangea bushes are a visually stunning and popular garden plant, with enormous blooms in pink, blue, and white. Individual hydrangea blooms can persist for weeks, but the plant blooms all summer long.

If you don’t have enough space in your garden, hydrangeas can also be planted in containers. This raises the question of whether blooms from non-potted hydrangeas survive longer than blooms from potted hydrangeas. The flowers of potted hydrangeas will persist as long as those of garden-planted hydrangeas if they are properly cared for.

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Because there are five primary species of hydrangea present in North America, there is no specific timeframe for hydrangea blooming. Each hydrangea variety blooms at a different time. 

In the southernmost regions, for example, mophead hydrangeas bloom from late spring until June. The fresh re-blooming hydrangeas, on the other hand, may bloom throughout the growing season. The blooming season for panicle hydrangeas is late spring to early summer, but the blooms persist on the shrub until the winter freeze knocks them down.

Why Do Hydrangeas Bloom That Long?

Climbing hydrangeas are a bit different as well, as they start blooming in the late spring and continue till midsummer. Oakleaf hydrangeas, on the other hand, bloom from early summer to early October in the Midwest and northern states. Another challenge is predicting when hydrangeas will bloom; the same type of hydrangea will bloom at various times in different parts of the country. 

Hydrangeas grown in warmer climates bloom earlier and for longer periods than those grown in colder climes. Pruning, or the lack thereof, affects the flowering season of hydrangeas. Some hydrangea cultivars might have their blooms delayed if pruned in the spring. In late winter to early spring, hard trimming of smooth hydrangeas will limit the number of flowers but enhance their size, delaying the hydrangea bloom period. 

Finally, the flowering season of hydrangeas isn’t solely determined by the cultivar and/or pruning. Sun exposure, over or underwatering, and overfertilizing the plant can all affect the hydrangea bloom period. If you pay extra attention to certain areas of hydrangea care, you can help the flowers remain longer. Both potted and non-potted hydrangeas can benefit from the following advice. Your hydrangea will stay hydrated and blossoms will not wilt if the soil is kept moist.

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During hot summer days, pay extra attention to how moist the soil is to keep the plant from drooping and the blooms from fading too quickly. When you give Inadequate sun exposure to your hydrangeas, it also shortens the life of blossoms. If your hydrangea gets too much sun, it will become dehydrated and the blooms will fade. Sunburn is also a serious risk, so stay out of the sun during the peak hours of the day.

Conclusion

The hydrangea variety you’re growing determines the regularity with which your hydrangeas bloom. Hydrangeas bloom from spring through mid-summer. While some other types of hydrangeas will bloom in the early summer and continue through the fall. Deadheading wasted blooms to create space for newer ones is the key to having your hydrangea bloom more. 

When deadheading hydrangeas, avoid cutting below newly produced leaves, as they may develop bulbs and blooms. Also, only chop dried leaves and woods. Some hydrangeas require old wood to bloom, while others require new wood. Your hydrangea will not bloom if you cut these off.

References

  1. https://www.actahort.org/members/showpdf?booknrarnr=1174_50
  2. https://go.gale.com/ps/i.do?id=GALE|A389260651&sid=googleScholar&v=2.1&it=r&linkaccess=abs&issn=00030996&p=AONE&sw=w
  3. https://ibn.idsi.md/vizualizare_articol/144894
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