What type of hydrangea is Nikko Blue?

Asked By: Yvan Uroz | Last Updated: 5th March, 2020
Category: home and garden landscaping
4.7/5 (87 Views . 38 Votes)
"Nikko Blue" is known for its large, showy, mophead flower clusters, with pastel blue flowers when grown in acidic soil and pastel pink in alkaline soils. Like other summer-blooming bigleaf hydrangeas, "Nikko Blue" blooms on old wood and requires pruning just after flowers expire, no later than July.

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Subsequently, one may also ask, how do you make blue Nikko hydrangeas blue?

To coax your hydrangeas into producing blue blooms, you can amend your soil with sulfur, or mulch your plants with a pine and/or cedar needle mulch. Alkaline soils (with a pH above 7) produce pink blooms. The more alakaline (or sweet) your soil is, the deeper pink your blooms will be.

Subsequently, question is, how long do Nikko blue hydrangeas bloom? across (12 cm), densely packed with rich, deep blue florets. Blooming in early summer for up to 2 months, 'Nikko Blue' is very floriferous and produces new flower stems throughout the summer.

Beside this, why is my Nikko blue hydrangea pink?

These bushes will bear blue flowers in acid soils, but pink blooms in alkaline ground. If a soil test reveals insufficient acidity and you desire a blue color, just raise acidity. Happily, it is very easy to change a bigleaf hydrangea's color to either pink or blue, depending upon what you want it to be.

What kind of hydrangea do I have?

Mophead hydrangeas are the most recognizable and popular hydrangea due to their large puffy flower heads. Their flowers can be purple, blue, or pink, and they thrive in hardiness zone 6.

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How do you prune a hydrangea Nikko Blue?

Cut out any winter-damaged, dead or weak branches, as well as frost-damaged leaves, if applicable, in early spring after the last frost. If the hydrangea is too large even after the late summer pruning, you can trim the ends of branches back to just above the first bud without sacrificing blooms.

How do you make hydrangeas blue?

To encourage blue hydrangea flowers, grow the plant in soil that has a pH of 5.2-5.5. If your soil is more alkaline, you can lower the pH by applying Soil Acidifier at the rate specified on the package. Soil pH can also be lowered (more gradually) by applying an acidic organic mulch, such as pine needles or pine bark.

How do you take care of a Nikko blue hydrangea?

Care'Nikko Blue' flowers on the previous season's wood, and can be maintained by cutting back just to the first pair of buds beneath the old flower in spring. Grow in moist, but well-drained soil, in sun to partial shade. Provide shelter from drying winds.

How do I make my hydrangeas bigger?

How to Get More Panicle Hydrangea Flowers:
  1. Plant panicle hydrangeas in all-day sun or afternoon sun.
  2. Water them during a drought, especially if you notice wilting.
  3. Add plenty of organic matter (such as compost) around the plant.
  4. Limit any drastic pruning to early spring, just before new growth emerges.

How do I turn 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.

Do blue hydrangeas need sun?

Most hydrangeas thrive in rich, porous, somewhat moist soils. Add compost to enrich poor soil. They prefer full sun in the morning, with some afternoon shade; however, many will grow and bloom in partial shade.

Where do you cut back hydrangeas?

To get bigger flowers, cut them all the way back
In late winter or early spring, these shrubs can be cut all the way back to the ground. Smooth hydrangeas will produce much larger blooms if pruned hard like this each year, but many gardeners opt for smaller blooms on sturdier stems.

What can I plant with blue hydrangeas?

Begonias and geraniums are beautiful flowers that come in many different shades, making them a perfect companion for hydrangeas. Create a colorful rainbow garden by pairing blue hydrangeas with pink geraniums or white hydrangeas with scarlet begonias.

What do hydrangeas symbolize?

Hydrangea Meanings
The hydrangea has a wide range of meanings, from heartfelt emotion to gratitude to boastfulness. Because of the Japanese legend above, hydrangeas are associated with apology. Victorians considered hydrangeas a negative plant, and used it to represent boastfulness, bragging, or vanity.

Are Endless Summer hydrangeas deer resistant?


One of the many features of the, Endless Summer Hydrangea, is that it is, deer resistant! Try planting some dwarf English, or winter gem boxwood along with your Endless Summer Hydrangea, this will help to deter the deer too. It will also keep its leaves all winter while the hydrangea is dormant!

What is the smallest hydrangea?

Hydrangea paniculata 'Fire Light'
'Fire Light' is a showstopping dwarf hydrangea with flowers that open white in summer and blaze red by fall. Grow it in large containers, as it can reach 54 to 72 inches high. It prefers full to part sun and is hardy in zones 3 to 9.

What is deadheading a hydrangea?

Deadheading A Hydrangea: Removing Spent Blooms On Hydrangea
Deadheading is a popular practice with flowering shrubs. The process of removing fading or spent blooms diverts the plant's energy from seed production to new growth and saves the plant from having a wilted, dying look.

How long do Endless Summer hydrangeas bloom?

Long-Lasting, Colorful Blooms
Endless summer hydrangeas are also known to bloom for a much longer period of time, typically 10 to 12 weeks longer, as compared to conventional hydrangea plants. Endless summer hydrangeas do well in colder climates. Additionally, they can bloom on both old and new growth.

How do you prune a summer beauty hydrangea?

Begin soil treatments well in advance of flowering, as in late autumn or early spring. Plants generally need little pruning. If needed, prune immediately after flowering by cutting back flowering stems to a pair of healthy buds. Prune out weak or winter-damaged stems in late winter/early spring.

Are Limelight hydrangeas deciduous?


Hydrangea paniculata 'Limelight'
This variety of the popular panicle hydrangea boasts very large, lime green blooms in mid-summer that turn pink in fall. A deciduous shrub, it grows to 8 feet tall and 6 feet wide with large, mid-green leaves.

What does a hydrangea bush look like?

Hydrangeas are often prized as much for their dried flowers as for their live ones, particularly mopheads (Hydrangea macrophylla), the species with large, ball-like clusters of pink, blue, purple, white or red flowers. If uncut, the flower heads dry, become bronze-brown and remain intact on the shrub.

Do Hydrangeas come in white?

You see, for most French hydrangeas (Hydrangea macrophylla), the flower color indicates the pH of the soil. In strongly acid soil (pH below 6), flowers turn blue. In alkaline soil (pH above 7), flowers turn pink or even red. They stay white regardless of the soil pH.