Folio № 33 of 36 · in the garden since 2022
Colorado Blue Spruce
Picea pungens
Bold foliage color and strong apical dominance; ideal for rugged styles but prone to coarse growth.

The year, as this species lives it
Thirteen phases. Touch any arc — the wheel remembers what each season asks.
Mid Summer · Jul 1 – Aug 10 · happening now
- Maintain frequent watering. Avoid wet feet by ensuring proper drainage.
- Resume light feeding if growth has slowed naturally.
- High risk period for spider mites; spray with water regularly to deter.
- Maintain shade and wind protection.
- Seal fresh cuts to prevent sap loss and desiccation.
- Continue as needed but avoid carving during extreme heat.
click another arc to travel the year →
The care sheet
The constants — what stays true in every season.
Full sun
Full sun enhances blue coloration.
Moderate
Allow slight drying between watering; avoid waterlogging.
Balanced
Avoid high nitrogen; encourages coarse growth.
Structural in spring, maintenance in summer
Thin regularly to allow light into interior.
Spring or Autumn
Wood is stiff; wire with care and in stages.
Every 2-4 years
Repot every 3 years to refresh soil and manage vigor.
Cuttings or seed
Best propagated from seed or grafted onto vigorous rootstock.
Protect from drying winds; foliage may discolor.
Tolerates heat but not drought; mulch in summer.
On the bench · 2
Every Colorado Blue Spruce in the garden, oldest hands first.

