Black Jack F1 Fast Version

Cannabis Strain by Sweet Seeds

Introduction
Black Jack F1 Fast Version from Sweet Seeds is an indica/sativa hybrid completing in approximately 53 days of flowering—roughly two weeks faster than the standard Black Jack—representing Sweet Seeds' innovative 'Fast Version' breeding program that shortens flowering time while preserving the full aromatic and effect character of the original photoperiod variety.

Lineage
Sweet Seeds developed the 'Fast Version' concept by introducing autoflowering genetics into photoperiod parents to reduce flowering time without creating true autoflowering plants. The resulting F1 Fast Version still requires light cycle change to flower, but finishes significantly faster. Black Jack F1 Fast Version maintains the celebrated Jack Herer × Black Domina genetics of the original—preserving the complex pine-spice-hash aromatics and balanced indica/sativa effects—while completing in just 53 days. This represents an approximately 15% reduction in flowering time, which is significant for commercial and home cultivators managing limited grow space.

Terpenes
The 53-day window is remarkable for a variety with such complex genetics. Sweet Seeds' breeding innovation means growers don't sacrifice the characteristic Black Jack experience for this speed advantage. The pine-spice complexity of Jack Herer, the hash depth of Black Domina, and the characteristic indica/sativa balance all remain intact. Black Jack F1 Fast Version appeals to cultivators who appreciate the original but want to maximize annual production through shortened cycles—an intelligent breeding solution that has since been applied to many other Sweet Seeds varieties.

Sources: http://sweetseeds.es/shop/en/65_sweet-seeds-seeds