Conifers

Dwarf Norway Spruce

Picea abies 'Pumila'

Picea abies 'Pumila' forms a slow-growing, broadly rounded mound of dense evergreen needles, giving small planting spaces a steady green structure through the year. Mature plants are about 3–4 feet tall and 3–5 feet wide; smaller measurements sometimes describe plants at ten years rather than their full size. Set this dwarf Norway spruce near the front of a border or in a rock garden where its eventual width has room. Full sun is preferred; partial sun may also be suitable. Keep the soil well drained and evenly moist, especially through dry summer stretches, and avoid sites that stay wet.

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At a glance

Mature height
About 3–4 feet
Mature spread
About 3–5 feet
Light
Full sun to partial sun
Hardiness
Generally USDA zones 4–6

The right plant, the right place

Make room for something good.

Its low, dense form fits a rock garden, the front of a border, or a small accent planting. The evergreen needles provide year-round structure.

Where to plant

Choose a spot with full sun or partial sun. Allow about 3–5 feet of width so the mature plant does not crowd its neighbors.

Through the seasons

The dense needles remain on the plant through winter. Growth is slow, so allow time for the mound to reach its mature size.

Southwest Washington gardens

Give it a good start.

During Southwest Washington’s dry summer stretches, check that the soil remains evenly moist. Regional spruce-host pests and needle cast can occur, although susceptibility of this cultivar has not been established.

Soil, drainage & water

Plant in well-drained soil and maintain even moisture. Avoid persistently wet ground.

A little care goes a long way

Growing well, season after season.

Check soil moisture during dry summer stretches and water to maintain even moisture. Watch new growth and older needles for the spruce problems described below.

Know what to look for

Common growing concerns.

Symptoms can have more than one cause. These notes are a starting point for observing your plant and improving its growing conditions.

Cooley spruce gall adelgid

Green or purplish cone-shaped galls on new growth turn brown and woody; branch tips may die.

Help your plant thrive

Remove galls for appearance. Keeping spruce and Douglas fir apart may reduce infestations; chemical treatment is not recommended.

Rhizosphaera needle cast

Needles develop yellow mottling, turn brown or purplish brown, then drop.

Help your plant thrive

Allow air circulation, avoid overhead watering and heavy shade, and discard fallen affected needles rather than composting them.

Spruce aphid

Yellow blotches and sometimes sticky honeydew appear; needles may brown and drop.

Help your plant thrive

Check valued plants weekly from around November. Wash aphids from small plants with a strong stream of water.

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