Great Plant Pick: Sequoiadendron giganteum ‘Glaucum’

Plant this giant only if you have a large property — and are willing to wait 50 years or more to see its massive glory.

  • Friday, September 2, 2022 1:30am
  • Life
Sequoiadendron giganteum ‘Glaucum,’ commonly called blue-needled giant sequoia. (Great Plant Picks)

Sequoiadendron giganteum ‘Glaucum,’ commonly called blue-needled giant sequoia. (Great Plant Picks)

What: Giant redwood is one of the most majestic of North American trees. It is not for the small garden but for large gardens, landscape and park settings, because of its eventual mammoth scale. Sequoiadendron giganteum ‘Glaucum’ is a blue-needled selection that is ghostly and very effective as a focal point due to the lighter color. Though fast growing, they are best at least 50 years after they’re planted, when their impressive scale is imposing itself on the landscape. The blue green of the ‘Glaucum’ form contrast well with the dark green of the native conifers, which are predominantly Western cedar and Douglas fir.

Where: This enormous tree needs a large area to reach its fullest potential. It is quite adaptable and grows in full sun to light or open shade. Avoid planting it near buildings or pavement to limit damage from the massive roots that develop as it matures. It prefers a well-drained or sandy soil, but will tolerate clay.

Size: Reaches 10 feet high by 6 feet wide in 10 years. Will top 100 feet high when mature.

Care: Once established, Sequoiadendron giganteum ‘Glaucum’is drought tolerant. Little pruning is needed. Consult a professional for any tree work.

— greatplantpicks.org

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