Noble fir 'Glauca' is distinct for its steel blue needles and blue cones that mature to brown. A cultivar of Abies procera, its name derives from the Latin word for “silvery blue-green.” This tree is slow-growing at first, but will eventually achieve up to 20 m in height, growing in a conical shape.
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Perennial
Lifespan
Tree
Plant Type
Mid spring, Late spring
Bloom Time
Early fall, Mid fall
Harvest Time
9 m to 15 m
Plant Height
Winter dormancy
Dormancy
Evergreen
Leaf type
0 - 32 ℃
Ideal Temperature
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Care Guide
Care Guide for Noble fir 'Glauca'
Every week
Water
Full sun
Sunlight
0 - 32 ℃
Ideal Temperature
Garden Soil
Soil Type
Water:
Water the noble fir 'Glauca' more regularly in summer, approximately twice a week, ensuring soil is moist but not waterlogged. In spring and fall, water once weekly. Adjust based on climate and cease watering during rain or in winter.
Fertilize:
Fertilization for noble fir 'Glauca' isn't always necessary if soil nutrients are sufficient. If needed, apply mulch in spring or early summer for growth and moisture retention. In fall, consider a granular, slow-release fertilizer under the foliage, avoiding contact with the trunk or leaves.
Pruning:
Noble fir 'Glauca' features striking blue-green needles and a symmetrical form. Optimal pruning involves removing dead branches and thinning the crown for airflow, ideally conducted between early winter and late winter. This practice minimizes stress and promotes healthy spring growth, enhancing noble fir 'Glauca''s overall health and appearance.
Propagation:
The noble fir 'Glauca' can be easily propagated using cuttings, with softwood taken in late spring (rooting in 3-4 weeks) and hardwood in late fall (4-6 months). While softwood cuttings root faster, they require more frequent moisture monitoring due to their tender nature.
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