Provide young giant sequoia (Sequoiadendron giganteum) with sufficient light, water and fertilizer, and you will find caring for the most massive tree species in existence is surprisingly trouble-free. Hardy in U.S. Department of Agriculture plant hardiness zones 6 through 9, giant sequoia doesn't suffer significantly from pests or disease. Given proper growing conditions and care, in one growing season your giant sequoia can add 36 inches to its height and 2 inches to the width of its trunk. Eventually it can grow to 260 feet tall -- long-living Sequoias can live more than 3,000 years and grow to 325 feet. The giant sequoia thrives in areas where annual rainfall is between 4 1/2 and 6 inches per year and where the soil is moist but drains well.
Giant Sequoia Care
Sequoiadendron Giganteum
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Lighting
Full Sun
Hardiness zone
min 6b
Difficulty
Easy
How to Care for the Plant
Water
Water giant sequoia regularly so that the ground is constantly moist but never saturated. Within the dripline, apply about 10 gallons of water for each inch of diameter that is measured on the trunk at your knee height. Garden hoses supply 10 gallons of water about every five minutes.
Pruning
No pruning required but will respond well to pruning back into older wood
Fertilizer
Feed your young giant sequoia in spring before new growth appears. Spread a continuous-release, granular, 10-10-10 fertilizer within the tree's dripline, at a rate of 1 tablespoon per square foot, or according to the manufacturer's instructions. Work the fertilizer into the soil gently, taking care not to disturb the roots. Apply fertilizer again after three months.
Sunlight
in full sun or light dappled shade
Soil
Grow in moderately fertile, well-drained soil in full sun or light dappled shade
Popularity
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