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Floral clock

 
Science Q&A: What is a floral clock?

In the Middle Ages it was believed that one could tell the hour of day by observing flowers, which were believed to open and close at specific times. These would be planted in flower dials. The first hour belonged to the budding rose, the fourth to hyacinths and the twelfth to pansies. The unreliability of this method of timekeeping must have soon become apparent, but floral clocks are still planted in parks and gardens today. The world's largest clock face is that of the floral clock located inside the Rose Building in Hokkaido, Japan. The diameter of the clock is almost 69 feet (21 meters), and the large hand of the clock is almost 28 feet (8.5 meters) in length.

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Wikipedia: Floral clock
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A floral clock or flower clock may be one of two things:

  1. A large decorative clock set into a flower bed in a park or other public recreation area, the most famous being in Geneva, Switzerland, and the largest in the world being in Tehran, Iran;
  2. A flower bed divided into sections, each of which contains flowers that open at a different time of day, sometimes arranged in the shape of a clock face. Such a floral "clock" is described by Andrew Marvell, in "The Garden" (1678):

How well the skilful gardener drew
Of flow'rs and herbs this dial new;
Where from above the milder sun
Does through a fragrant zodiac run;
And, as it works, th' industrious bee
Computes its time as well as we.
How could such sweet and wholesome hours
Be reckoned but with herbs and flow'rs!

The floral clock was a form of carpet bedding introduced by John McHattie of Edinburgh Parks in 1903 and soon imitated across the United Kingdom. The clock mechanism was set in the ground under the flowerbed, which was then planted as a clock face with moving arms.

Zacatlán Floral Clock

The only flower clock with two faces moved by the same system is located in Zacatlán, Puebla, Mexico. It has two faces, each five meters in diameter. It was manufacturated by Relojes Centenario, a local manufacturer.

Michael Jackson had a floral clock at his Neverland Ranch.

The biggest Flower Clock in the world is localed in Kiev, Ukraine. It was opened on the 23rd of August 2009 in honour of the Independence Day of Ukraine celebrated on the 24th of August. The clock's diameter (face) is 16.5 meters, hands' length - 7 and 4 meters correspondingly, the number of plants used -- 50,000 flowers.

References

  • Brent Elliott, 'Floral Clock', Oxford Companion to Gardens, Oxford University Press, Oxford, 1986
  • Clifford-Smith, Silas; 'Floral Clocks', Oxford Companion to Australian Gardens, Oxford University Press, South Melbourne, Australia 2002

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Science Q&A. The Handy Science Answer Book. 2003 ©Visible Ink Press. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Floral clock" Read more