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Cacti blooming

Do all cacti produce flowers at one point or another? i have a cactus, don't know how old it is but its never produced flower. Its doubled in size though
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what can i do to help it flower?
 
Some cacti outside of their habitat have never flowered. Many will though, although my large Cereus didn't bloom this year and it blooms every year.
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The only thing you can do to encourage flowering is phosphorous, unless it is a tropical cactus, then it would need a dark period. Otherwise most desert cacti will bloom in most of U.S. outside in Spring/Summer.

Joe
 
Many cacti need a cold dry winter rest in order to flower the next season.
 
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