Trivia about hydrangeas. A collection of fun facts related to ajisai (hydrangeas).

Keyboard playerSAKI
I’ve been playing the Electone since I was six, mainly performing Disney music, anime songs, and music from dramas and films. I post performance videos on YouTube and social media, and I also give concerts. Building on my Electone experience, I took up synthesizer and piano during my student years and performed at school-sponsored events. As a writer, I’ve covered not only music-related topics but a wide range of genres, so I hope to draw on my experience to deliver articles that make readers think, “I want to try that!” or “I want to listen to that!”
Editor-in-Chief, RAG MUSICHane Keisuke
Editor-in-chief of RAG MUSIC. JFC-certified fact-checker. After working in a music studio and handling wedding sound, joined the RAG MUSIC editorial team in 2016. Experienced with a variety of instruments: marching band in elementary school, clarinet in junior high school wind ensemble, and drums in a band from high school onward. Drawing on my own musical activities and the experience gained through my work, I produce daily articles, including various song introductions, features on music festivals around the country, and live reports. In music, I enjoy not only rock from Japan and abroad but, lately, a wide range of J-pop as well.

Hydrangeas are a common sight in parks, city streets, and temples once the rainy season arrives.

They come in a variety of colors—blue, purple, red, and more—and many people find their rain-dappled appearance especially charming.

In this article, we’ll introduce a collection of fun facts about hydrangeas, a quintessential symbol of early summer.

We’ve gathered information from various angles, including the structure of hydrangeas, the origin of their name, and the reasons behind their colors.

We hope this article inspires you to learn more about hydrangeas.

After reading, be sure to go out and observe real hydrangeas for yourself!

Hydrangea trivia. A collection of fun facts about hydrangeas (21–30)

There are about 2,000 types of hydrangeas.

There are over 2,000 varieties of hydrangeas, and new cultivars are announced every year, so the number is likely to keep growing.

Since much of Japan’s soil is apparently acidic, blue flowers that don’t change color even when planted are popular.

Conversely, if you plant them in alkaline soil, they will turn pink or red.

There are many types—pom-pom (mophead), lacecap, double-flowered, and more—so you never get tired of looking at them.

If you peek into a florist’s shop, you might even come across hydrangeas you’ve never seen before.

Be sure to check them out.

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Hirakawa Masako (Bōkarisuto: Sakata Mizumako)

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It is also produced by companies in Denmark and the United States.

Hydrangeas are known around the world, but did you know that new cultivated varieties are continually being introduced? Many of them are said to have been improved or produced particularly in countries like Denmark and the United States.

Among hydrangeas native to America, the variety known as Annabelle is well known.

It features strikingly large clusters of pure white flowers.

Even if you didn’t know its name, you may have seen it before.

In the field of breeding, the Danish company Skjold (Scroll) is well known, and varieties such as Cotton Candy are popular.

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Hirakawa Masako (Bōkarisuto: Sakata Mizumako)

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In conclusion

We’ve introduced a whole collection of trivia about hydrangeas, a quintessential early-summer sight. Many of you were probably surprised to learn that the parts you thought were petals are actually sepals, weren’t you? There were plenty of other fun facts as well, so be sure to remember them and share them with your family and friends!