Brilliant Autumn Bonsai At The International Bonsai Arboretum
2 months ago Nebby 0
Source: Valavanis Bonsai Blog.
The 2018 summer growing season has come to an end with a hard freeze a few days ago. But, before winter arrived, my deciduous bonsai decided to put on a show and I’d like to share thier beauty with you. The spectacle of green foliage turning rich red, yellow and orange in autumn happens when trees have taken all the food they can from the foliage which is filled with chlorophyll, the molecule that absorbs energy from the sun and gives leaves their green coloring. When the length of daylight and temperatures decreases leaves cease to manufacture food and when the green colored chlorophyll is broken down other colors are revealed. Usually each species has a common autumn coloring. Maidenhair trees, or Ginkgo and Birch normally become bright yellow in autumn before leaf drop. Japanese maples often turn brilliant red, sometimes orange and even yellow foliage. I’ve even had Chinese elm leaves change to pink before dropping to reveal the quiet beauty of small fine twigs and grey bark. Japanese, European and American beech leaves usually become yellow in autumn rather than orange or red. Of course there are physiological reasons for these leaf color changes, which plant scientists have studied and can better explain. However, I’m a bonsai artist and educator, and although I’ve earned two ornamental horticultural degrees this topic does not really interest me because what goes on inside the leaf can’t be changed. However, what I am interested in is to understand how to enhance autumn…
Go to the source blog (Valavanis Bonsai Blog) to read the full article: Brilliant Autumn Bonsai At The International Bonsai Arboretum