Subalpine fir 'Compacta' (Abies lasiocarpa var. arizonica 'Compacta')

Subalpine fir 'Compacta'

Also known as: Alpine fir 'Compacta', Corkbark fir 'Compacta'

Subalpine fir 'Compacta' is a cultivar of the Subalpine fir variety arizonica. It is noted for its exceptionally compact growth habit and attractive pyramidal shape. Compared to the parent plant, it grows at a significantly slower rate, which makes this cultivar a perfect choice for small gardens with limited space.

Scientific classification

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Perennial

Lifespan

Tree

Plant Type

4 m

Plant Height

2.5 m

Spread

Blue, Gray, Silver

Leaf Color

Purple

Fruit Color

Care Guide for Subalpine fir 'Compacta'

Every week

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from high-altitude regions, subalpine fir 'Compacta' prefers consistent moisture without waterlogging. It tolerates moderate drought once established but thrives with weekly hydration. Mulching is beneficial for moisture retention, especially during the active growing season, making it suitable for outdoor settings.

Fertilize: Fertilize subalpine fir 'Compacta' annually in early spring with a balanced slow-release fertilizer to enhance growth and resilience. Apply as directed, ensuring soil is watered before and after. Reduce frequency as subalpine fir 'Compacta' matures and avoid fertilization during dormancy for optimal health.

Pruning: Subalpine fir 'Compacta' features a dense, conical shape and thrives with winter pruning while dormant. Key techniques include removing dead branches and light trimming for shape, avoiding heavy cuts. Pruning enhances growth, air circulation, and disease prevention, ensuring an appealing and healthy plant.

Propagation: Subalpine fir 'Compacta' propagates best via cuttings from healthy semi-hardwood stems, using rooting hormone in well-draining soil. High humidity and indirect sunlight promote growth, while careful soil moisture management is essential to prevent rotting.

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