Mass Medical Strains Seeds Sour Pupil

Strain Overview

Sour Pupil seeds by Mass Medical Strains are feminized hybrid cannabis seeds combining legendary Sour Diesel with the reversed Star Pupil mother cut. Known for vigorous growth, sturdy structure, strong branching, and distinctive sour-sweet aromas, Sour Pupil seeds offer reliable performance indoors and outdoors with a 7–9 week flowering time.

Genetics & Lineage

Sour Pupil seeds combine East Coast Sour Diesel genetics with Mass Medical Strains’ Star Pupil. This pairing delivers strong hybrid vigor while blending classic sour diesel characteristics with the grape, candy, and funky traits associated with Star Pupil. The result is a distinctive, easy-to-manage hybrid with excellent genetic expression.

Growth & Flowering

Plants grown from Sour Pupil seeds are generally short to medium in height and more compact than traditional Sour Diesel varieties. Strong branching and a stout structure support large, resin-rich flowers and high yield potential. Indoor flowering typically takes 7–9 weeks, while outdoor plants are generally ready by early October.

Aroma & Flavor

Sour Pupil seeds produce a bold terpene profile led by sharp sour diesel and fuel aromas, layered with grape, berry, candy, and deep funky notes. The combination of pungent sour character and sweet fruit-forward undertones gives Sour Pupil a complex and distinctive aromatic profile.

Cultivation & Seed Type

Sour Pupil seeds are feminized cannabis seeds suited to indoor and outdoor cultivation, including climates such as the Northeast. Their compact structure, strong branching, adaptability, and stress tolerance make these seeds easy to manage while supporting productive harvests and dense, resinous flowers.

Breeder Information

Sour Pupil seeds are bred by Mass Medical Strains using Sour Diesel and reversed Star Pupil genetics. This hybrid preserves the signature character of classic Sour Diesel while adding improved structure, manageable growth, and the distinctive terpene complexity of Star Pupil.