Prunus sibirica Seeds | Siberian Apricot
LATIN NAME: Prunus sibirica
COMMON NAME: Siberian Apricot
Plant Profile
The Siberian apricot earns its name by thriving where the common apricot fails, standing winters cold enough to crack lesser stone fruit and flowering on bare twigs in early spring. Its real value to growers, though, is underground and in the mill: the kernel inside the small stone is pressed for an edible oil that has been used across northern China for cooking and for cosmetics, and the same kernel carries the bitter-almond note of amygdalin. For cold-climate plantings the species is both a crop and a toughened rootstock for the cultivated apricot.
Oil content and flavour vary between wild stands, and selection for a higher, sweeter yield is a quiet thread of breeding in the north. The pressed oil is light and stable and sits alongside the better-known almond and peach-kernel oils in the regional pantry.
Prunus sibirica is often confused with Prunus armeniaca, the common apricot, but the wild species keeps smaller fruit, blunter leaf teeth, and a more shrub-like form, and its kernel is the economic driver rather than the flesh. The two cross where they meet, and the wild plant is used as a rootstock to pass its hardiness down to the better-fruited orchard forms.
For the seed buyer the distinction matters because kernel oil and rootstock value track the wild species, while dessert fruit tracks the orchard one. Look at the leaf tip and the stone shape first: the Siberian form is the blunter, smaller, colder plant of the two.
Rootstock trials rate the Siberian apricot for its ability to check crown gall and to survive a frozen spring, and the best clones are multiplied by chip budding onto seedling root rather than by seed alone when uniformity is wanted.
Science & Biotechnology
The seed is rich in a pale, mild oil that resembles apricot kernel oil from the orchard species and is valued for skin care as well as for the table where the bitter forms are processed to remove the glycoside. Amygdalin in the raw kernel releases benzaldehyde and a trace of cyanide when crushed, which is why the bitter seed is treated rather than eaten raw, while the sweet-kernel strains are the ones pressed for direct oil.
Research on the species has focused on its cold and drought tolerance, using it in crosses to push apricot orchards farther north and onto lighter ground. Molecular markers help track the hardiness and the kernel traits through the seedling population, and tissue culture from shoot tips supports clean stock of the selected lines.
Uses & Benefits
In the landscape the Siberian apricot clothes dry, sunny slopes and the eroded loess hills of the north, where it checks soil loss and gives a harvest from ground too poor for field crops. It is drought tolerant once established and shrugs off the cold, which is exactly why it became a staple of the dry-farming edge rather than the irrigated orchard.
Growing from Seed
The plant is a deciduous shrub or small tree with a rounded, often squat crown and dull green leaves that are broadly oval with a blunt, rounded tip and finely toothed margins. The flowers are solitary and open before the leaves, white to faint pink, and the fruit is a small, flattish drupe that ripens to orange-yellow with a short, furrowed stone. The kernel, not the thin flesh, is the harvested part, and a single tree yields only a little, which is why managed stands are planted dense.
The blunt leaf teeth and the hairless young twig are the field marks that separate this species from the sharper-toothed common apricot, and the early solitary bloom means the flowers catch every cold snap, so crops are irregular in a hard year. The stone is hard and needs patient cracking to free the oil-rich seed.
The hard stone needs a long cold, moist rest before it will break dormancy, so mix the cleaned seed with damp sand and hold it cold through the winter, then sow into a deep bed as the soil warms. Sow the stone at roughly twice its own depth and keep the row marked, because emergence is slow and a late spring crop of seedlings is easy to weed out by mistake.
Once the seedlings stand a few centimetres and carry several true leaves, thin them to give each plant room to make a straight stem, and transplant the strongest into full sun on well-drained ground. Water the first dry season through, then the plant looks after itself on the dry hillside it prefers.
Our Take
I rate the Siberian apricot for exactly the quality its name promises: it sits out the cold and still gives a useful kernel. Compare it with the common apricot for the dessert crop, the Manchurian apricot for another northern stone, and the David’s peach for a related cold-hardy rootstock. Source stratified seed if you want reliable emergence in the first season.
Related Reading
More species in the same orbit as Siberian Apricot: