Huernia zebrina, or Lifesaver plant, is one of the best in this category. Lifesaver cactus plants are easy to grow in small dish gardens or even bonsai containers. The biggest challenges with Huernia cactus care are overwatering, incorrect lighting and mealybugs.
What is the average speed on a ski? For regular downhill skiing the average is about 15-20 mph Olympic ski racing averages 40-50 mph and The fastest recorded speed is 156 mph here is my source http://www.trails.â¦com/facts_9654_how-fast-do-downhill-skiers.html.
Re: What is a safe speed for tubing and/or skiing? I would agree with all of the above posts, here is my own guide from the past thirty years of water sports. ski (with two skis) = 20 to 27 mph dep. on skill level and weight. ski (with one ski) = 25 to 35 mph dep on skill level and weight.