![]() Eventually they begin to collapse, first losing arms, and sometimes the whole massive, century-old plant may die due to too many hot nights. For astrology, Sweetman recommended reading The Essential Guide to Practical Astrology.To read your horoscope, you can use a number of websites you just need to know which sign your birthday falls under. Without adequate CO 2, they become undernourished, and at the same time, they become swollen with water they can’t properly release. Anyone can start using either (or both) of these practices pretty easily. When the heat doesn’t drop below 90℉ between sunset and sunrise, the cacti can’t open their pores to release moisture and take in carbon dioxide. The problem is the corresponding nighttime temperature. A month-long streak of daytime temps in excess of 110℉? Not ideal, but survivable. They take a long time to grow into legendary emblems of the American Southwest, and sadly, historic heat in Arizona this summer is killing them. Saguaro don’t flower until they’re at least 30 years old - some late bloomers wait until their sixties - and those who choose to grow arms don’t start shooting off the main stem until they’re well over 75. ![]() From there, it can take the little cactus 20-50 years to stretch upward to a yard. Saguaro eventually reach heights of around 40 feet, but each takes eight years to grow just an inch tall at the start. Your cactus metaphor of the week is the saguaro: it’s huge, slow-growing, and iconic.
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