Hermetospheres

Experiences with plant life in closed glass containers

Category: Indochina

  • Plant on the move

    Plant on the move

    The “little tree plant” (Biophytum sensitivum) is very popular among terrarium hobbyists. Its natural habitat are wet lands of tropical India and South-East Asia, where it grows in the shades of trees and shrubs, in grass lands at low and medium altitudes (Sakthivel and Guruvayoorappan 2012). It looks like a miniature palm tree, is perennial,…

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  • Pyrrosia nummulariifolia

    Pyrrosia nummulariifolia

    You might wonder why this post is categorized as both success and failure. Let me begin with the success. When I started my jar designated to Myanmar in mid-August 2021, I placed a short rhizome cutting of P. nummulariifolia along the border of the substrate. Now, almost a year later, it is well established and…

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  • Acclimation (1): Ficus punctata

    Acclimation (1): Ficus punctata

    Closed glass containers inevitably create extreme conditions for plant growth. This is especially the case for relative humidity, which can be assumed to be close to 100% at all times. Most tropical plants can deal with this, and hardly ever I could observe obvious changes from “normal” greenhouse conditions, where my plants usually come from,…

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  • White lines around the glass

    White lines around the glass

    Until I developed the ambition to produce pictures of my hermetospheres of a certain quality, I had no experience whatsoever in studio photography. “Studio” reads highly sophisticated, but in fact, my approach is rather simplistic. Having studied the pictures made by Ulf Soltau, I had a fairly good idea of the desired outcome, but none…

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  • Actiniopteris radiata

    Actiniopteris radiata

    One of my two jars inspired by the flora of Myanmar is currently able to tell more than one story. The fern called Peacock’s tail, Actiniopteris radiata, was meant to be the main protagonist when I started the jar in mid August 2021. Initially, the plant seemed to be comfortable and produced new fronds. After…

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