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cultivation:conditions [2026/06/28 20:02] โ€“ vaugithcultivation:conditions [2026/06/30 16:10] (current) โ€“ Changed etiolation link to virology section vaugith
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 ==== Light ==== ==== Light ====
  
-Most of these cacti can handle full all day sun in all but the most UV intense climates, though they genetically vary in their preference of total amount of light per day. However all light changes must be made gradually or they will experience sunburn. A sudden swing in the weather from cloudy and 80F highs one week to sunny and 95F the next week is enough to cause sunburn. First they will appear yellow on the side facing the sun and then they will burn, which eventually will turn to a permanent scar. Throwing up some 30-40% shadecloth that covers them during the hottest hours of the day, 2:30-5:30p, should be sufficient to prevent sunburn. Morning light is more blue spectrum and evening light is more red spectrum. These cacti appreciate blue spectrum more - it promotes wider growth, while red spectrum promotes taller growth. UV spectrum promotes alkaloid production. More shaded conditions or shorter light hours in spring and fall will result in more blue farina production. Insufficient light results in skinny new growth at the tip called [[:cultivation:diseases:otherissues:etiolation|etiolation]], which is permanent.+Most of these cacti can handle full all day sun in all but the most UV intense climates, though they genetically vary in their preference of total amount of light per day. However all light changes must be made gradually or they will experience sunburn. A sudden swing in the weather from cloudy and 80F highs one week to sunny and 95F the next week is enough to cause sunburn. First they will appear yellow on the side facing the sun and then they will burn, which eventually will turn to a permanent scar. Throwing up some 30-40% shadecloth that covers them during the hottest hours of the day, 2:30-5:30p, should be sufficient to prevent sunburn. Morning light is more blue spectrum and evening light is more red spectrum. These cacti appreciate blue spectrum more - it promotes wider growth, while red spectrum promotes taller growth. UV spectrum promotes alkaloid production. More shaded conditions or shorter light hours in spring and fall will result in more blue farina production. Insufficient light results in skinny new growth at the tip called [[:virology:e:etiolation|etiolation]], which is permanent.
  
 == Indoor lighting == == Indoor lighting ==
cultivation/conditions.1782676962.txt.gz ยท Last modified: by vaugith