Alberta Spruce ‘Conica’ 40/60cm (5L)

Alberta Spruce ‘Conica’ – Picea glauca var. albertiana is a neat, cone-shaped dwarf evergreen conifer that brings year-round structure and elegance to gardens of all sizes. This compact cultivar is prized for its perfectly symmetrical form and dense growth habit, making it an excellent choice for formal plantings, container displays, and small garden spaces where a touch of evergreen architecture is desired.

The foliage emerges in spring as fresh light green needles that gradually mature to an attractive light bluish-green colour, creating subtle seasonal interest whilst maintaining its evergreen appeal throughout the year. The soft, fine-textured needles are densely packed along the branches, forming a tight, conical silhouette that requires minimal pruning to maintain its natural shape. This slow-growing conifer develops its characteristic form naturally, making it an ideal low-maintenance option for gardeners seeking reliable structure without constant intervention.

This variety thrives in the British climate, performing exceptionally well in full sun to partial shade positions. Alberta Spruce ‘Conica’ prefers moist, well-drained soil with good organic content, though it adapts to a range of soil types provided drainage is adequate. Once established, it demonstrates good tolerance to cold temperatures and frost, making it perfectly suited to gardens across the country. The compact size and slow growth rate make it particularly valuable for container cultivation, where it can grace patios, entranceways, and balconies with its formal presence.

Planting and Care Guide

Choose a location that receives at least four to six hours of sunlight daily, though this conifer tolerates light shade, particularly in warmer regions. Prepare the planting area by incorporating organic matter such as well-rotted compost or leaf mould to improve soil structure and moisture retention. Dig a hole twice the width of the root ball and of equal depth, ensuring the top of the root ball sits level with the surrounding soil surface.

Water thoroughly after planting and maintain consistent moisture during the first growing season to encourage strong root establishment. Apply a 5-8cm layer of mulch around the base, keeping it clear of the trunk to prevent moisture-related issues. During dry spells, particularly in summer, provide supplementary watering to prevent needle browning and maintain vigorous growth.

Feed annually in early spring with a balanced slow-release fertiliser formulated for evergreen conifers, following manufacturer’s guidelines. This supports healthy foliage colour and steady growth throughout the season. Alberta Spruce ‘Conica’ requires minimal pruning due to its naturally compact form, though any damaged or wayward branches can be trimmed in late spring after new growth has emerged.

Monitor for common conifer pests such as red spider mite, particularly during hot, dry weather. Good air circulation and adequate watering help prevent infestations. In winter, heavy snow can occasionally damage the dense branches, so gently brush off accumulations to maintain the plant’s structural integrity.

This versatile conifer excels in formal garden schemes, paired plantings flanking doorways, rockeries, and mixed borders where its evergreen form provides contrast against deciduous shrubs and perennials. Its compact nature and slow growth make it an excellent choice for smaller gardens where space is at a premium, whilst its container suitability extends its use to patios and urban settings.

Ultimate height
1–1.5 metres

Time to ultimate height
10–20 years

Ultimate spread
0.5–1 metres