The following focuses on plant habitats, and in particular how they affect orchid culture in this country. One facet of natural habitats for most of the orchids grown in this country is significantly different from the conditions naturally experienced here, and this will be highlighted, together with other significant aspects.

HABITAT 3. ARID ‘RAIN SHADOW’ 
INLAND PRAIRIE HABITAT

Summary

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Plants typical of this arid habitat require certain environmental conditions if growth under artificial culture is to be maximised.

  • Low daytime humidity is not detrimental to plant survival
  • High night humidity si necessary to restore the plants water balance
  • Relatively high light intensity is required to regulate this metabolism and to drive the photosynthetic process
  • Moderate night temperatures are needed to allow respiration and absorption of carbon dioxide
  • Moderately strong diurnal temperature fluctuations ensures the completion of this process.

This habitat usually contains the plants we classify as ‘warm’ or’ intermediate’ growing.

 

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Site established 9th May 1998

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