[For Seniors] Hydrangea Trivia Quiz & Fun Facts Collection
Hydrangeas, with their beautiful petals that shine in the rain and their captivating array of colors, have many characteristics that go beyond their appearance.
This time, we’ll introduce trivia and fun facts about hydrangeas in a quiz format.
You might discover new sides to hydrangeas, such as their history, meanings in the language of flowers, and tidbits about their colors and shapes.
For older adults, it serves as brain training and helps prevent dementia while enjoying the season.
By all means, incorporate it as a rainy season recreation activity at day service centers and other senior care facilities!
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[For Seniors] Hydrangea Trivia Quiz & Fun Facts Collection (1–10)
What is the name of the temple in Kamakura that is famous as the “Hydrangea Temple”?
- Meigetsu-in (Bright Moon Temple)
- Hasedera Temple
- Kencho-ji Temple
See the answer
Meigetsu-in (Bright Moon Temple)
Meigetsu-in, located in Kamakura City, is affectionately known as the “Hydrangea Temple” because about 2,500 hydrangea plants come into full bloom in June. During hydrangea season, blue, purple, and white blossoms flourish, attracting crowds of visitors.
Which of the following environments do hydrangeas prefer?
- A dry, sunny location
- A dry place in the shade
- A moist, partially shaded location
See the answer
A moist, partially shaded location
Hydrangeas prefer moist soil and partial shade. They are sensitive to dryness and strong sunlight, so a moderately damp location is ideal. Because they wilt quickly when they lose moisture, placing them in a spot with limited direct sun and watering them frequently is the key to keeping them lasting longer.
What happens to lacecap hydrangeas when it gets hot?
- to flip over; to overturn; to be capsized
- The flower changes from blue to pink.
- The central part of the flower is bulging up.
See the answer
to flip over; to overturn; to be capsized
Lacecap hydrangeas can flip over when it’s hot. The parts that look like flowers face upward for about seven days after they start to bloom, but if sunny, high-temperature weather continues, they turn inside out, gradually take on more green each day, and then wither in that state by autumn.
[For Seniors] Hydrangea Trivia Quiz & Fun Facts Collection (11–20)
What kinds of organisms do hydrangeas have symbiotic relationships with?
- moss
- fern
- Mushroom
See the answer
moss
Hydrangeas and moss have a symbiotic relationship. Hydrangeas tend to lose moisture easily, but moss helps retain soil moisture and prevent drying.
Which of the following is the hydrangea’s flower meaning?
- health
- graceful; elegant; refined
- fickleness
See the answer
fickleness
The flower language of hydrangeas is “fickleness.” This is because hydrangeas have the characteristic of changing their flower color depending on the soil’s acidity, which imbues them with the meaning of symbolizing changes in feelings and the heart.
What determines the color of hydrangeas?
- sunshine duration
- Soil pH
- Amount of water
See the answer
Soil pH
The color of hydrangeas changes depending on the soil’s pH level. In acidic soil, they produce blue flowers, while in alkaline soil, they bloom pink. Depending on the soil’s properties, hydrangeas can display a variety of colors.
Which country is the hydrangea native to?
- Japan
- Brazil
- China
See the answer
Japan
Hydrangeas (ajisai) are flowers that have long grown wild in Japan, and they are said to have spread to the rest of the world from Japan. Especially during Japan’s rainy season, you can see many of their beautiful blossoms.



