Sequoias are iconic evergreen trees native to North America, needing a balanced care regime. Basic care includes full sun to partial shade exposure, regular moisture, and cool temperate zones. They thrive in well-drained, nutrient-rich, acidic to slightly alkaline soil. Sequoias face challenges like pests such as beetles, borers, aphids, and diseases like canker and root rot. Environmental sensitivities involve a dislike for strong winds, pollution and saline soils. Seasonally, reduce watering in winters and regularly check for pests in summers. Remember, cold climate in autumn triggers their dormancy. Sequoias spectacular growth needs long-term commitment to proper care.