Blue Spruce

Advanced Level

Blue Spruce

Care Profile

A Blue Spruce Bonsai (Picea pungens) is a majestic evergreen conifer prized for its striking, silvery-blue to blue-green needles and rugged bark that lends itself well to classic bonsai styles. While its general care requirements are simple (full sun, outdoor placement, and plenty of water), it is considered an intermediate to advanced subject due to its slow styling response and the difficulty in establishing pads and strong branch structure.

Guides for Blue Spruce

Blue Spruce Fertilisation Guide

Blue Spruce Fertilisation Guide

fertilisation is less about "growth at all costs" and more about refinement and health maintenance.

Blue Spruce Sun Exposure Guide

Blue Spruce Sun Exposure Guide

Sun exposure isn't just about growth; for a Blue Spruce, it is the primary factor in determining the vibrancy of its colour and the compactness of its needles.

Blue Spruce Wiring Guide

Blue Spruce Wiring Guide

Unlike the flexible, rubbery branches of a Juniper, Spruce branches will snap cleanly if pushed too far without proper preparation.

Blue Spruce Propagation Guide

Blue Spruce Propagation Guide

Seeds (best for high volume, but with genetic variation) and Cuttings (to ensure a clone of a specific "blue" parent).

Blue Spruce Pruning Guide

Blue Spruce Pruning Guide

There are three distinct levels of pruning for a Blue Spruce: Structural, Maintenance (Pinching), and Thinning.

Blue Spruce Watering Guide

Blue Spruce Watering Guide

Mastering the balance of moisture is the single most important skill for this species.

Blue Spruce Re-Potting Guide

Blue Spruce Re-Potting Guide

Blue Spruces require a soil that is highly porous (to allow oxygen to reach the roots) but capable of maintaining a slightly acidic environment

Blue Spruce - Choosing a Ceramic Pot

Blue Spruce - Choosing a Ceramic Pot

The pot for a Blue Spruce must convey the feeling of high-altitude mountain ranges—cold, rugged, and unyielding

Blue Spruce Pests and Disease Guide

Blue Spruce Pests and Disease Guide

how to diagnose them, and—crucially—how to treat them without damaging the tree’s signature blue waxy coating.

Caring for Blue Spruce Bonsai

Caring for Blue Spruce Bonsai

It is a hardy, resilient species that requires strict cold dormancy and careful management of light and moisture.

Blue Spruce Temperature Guide

Blue Spruce Temperature Guide

Blue Spruce is about respecting its need for deep winter dormancy while protecting its root system from extreme heat