Abies pinsapo Seeds | Spanish Fir

Stiff blue-green needles of Spanish Fir (Abies pinsapo) on a young branch — Spanish Fir (*Abies pinsapo*): Pinaceae, a relic conifer of the limestone mountains of southern Spain.

LATIN NAME: Abies pinsapo

COMMON NAME: Spanish Fir

Plant Profile

Spanish fir is a relic of the cold, wet climate that once covered the Mediterranean mountains. It survives in three small ranges in southern Spain, the Sierra de Grazalema, the Sierra de las Nieves and the Sierra Bermeja, between 1000 and 1800 metres, often on limestone.

The tree is compact and stiff, twenty to twenty-five metres at most, with short, thick needles set all round the shoot rather than flattened in two rows, giving the branches a bottlebrush look. The colour ranges from deep green to a distinct blue-grey, and the large upright cones ripen from purple to brown.

The bark is grey and smooth when young, breaking into plates on old trunks.

Science & Biotechnology

The species is a model for studying range contraction. Its populations have been isolated for thousands of years, and genetic work shows very low diversity within stands and strong differentiation between them, which makes them vulnerable to drought and disease. Spanish national parks monitor the stands for signs of decline, and ex situ collections hold seed from each range.

Horticultural research has selected blue forms and compact cultivars, some of which are propagated by grafting because they come true only from cuttings. Studies of its wood anatomy have also been used to reconstruct past climate, since the species forms clear annual rings even on dry, stony ground.

Seed production is irregular, and good cone years are separated by several poor ones, which limits nursery supply.

Uses & Benefits

In cultivation it is a specimen conifer for a dry, sunny garden, valued for the stiff blue foliage and slow, compact habit. It also works as a container plant for many years, and in Mediterranean climates it is used in dry planting schemes where other firs fail. The timber is of local use only, since the stands are protected.

In its native range the tree is a marker of traditional transhumance landscapes, where goat grazing once kept the forest open. The resin was collected in small quantities for plasters, and the branches are still cut for church decoration at Christmas in some Andalusian villages.

Its slow growth and dense crown also make it a useful low hedge in dry gardens, though it is rarely used that way.

Growing from Seed

Sow in late winter after six weeks of cold stratification, barely covering the seed, and keep at 15C. The seedlings are slow and should stay in their pots for two years before planting out. Use a gritty mix with plenty of drainage, and plant in full sun on a slope or a raised bed.

Once established the tree takes summer drought well, but it rots in wet, heavy soil, so drainage matters more than fertility. Avoid pruning except to remove dead wood, and shelter young plants from drying wind, which scorches the needles on the exposed side.

Our Take

Spanish fir is slow, compact and forgiving of drought, which makes it a better choice for a hot, dry garden than most firs. The blue forms are worth seeking out.

Tree Seeds