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Sour Gummy seeds by Dr. Underground are the latest offering by this brand, who backcrossed a San Fernando Valley x Zkittlez with a different phenotype of the same strain, specially picked for an additional Sour punch. The result is a feminized hybrid with an indica prevalent strain that completes its flowering phase in about 63 days.

This strain has a moderate growth profile, reaching heights of 100 – 160cm in indoor crops. In outdoor crops, yields of around 450g per plant can be expected.

A strain that harnesses the best of its parental lineage and implements its terpene profile, contributing a new extra sweet, fruity, and sour taste. It boasts a 23% THC content.

Seeds per pack

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Type and Genetics

The Sour Gummy by Dr. Underground seeds present a mix through backcrossing that brings closer a strain with everything the American market is looking for. A cross between Zkittlez x San Fernando Valley OG Kush Cut resulting in a feminized hybrid predominantly Indica that develops the sweetest features of its parent strains.

The plant mostly develops as an Indica, with robust lower branches and big highly resinous flowers, although you can observe numerous aerial branches, more in the Sativa style.


The growth profile of this strain is medium.

  • Indoor cultivation can reach 100 - 160cm
  • Outdoor plantations can measure between 120 - 180cm

Aroma and Flavor

The draw ascends white and dense, remaining in the air for a few seconds. It transfers flavors of exotic fruits, gummies covered in sour salt, and a finish of tropical fruit salad.


The Sour Gummy by Dr. Underground consists of a 23% THC level. The influence of cannabinoids is easily perceivable, evoking pleasant and positive sensations, bringing back the joy and relaxation typically associated with a Saturday afternoon.


The Sour Gummy by Dr. Underground is capable of providing generous yields to the cultivator who knows how to give the necessary care.

  • Indoor breeds can expect yields of up to 450g/m2
  • Outdoor plantations, this strain can produce up to 500g per individual plant.

Flowering in Indoor Cultivation

It takes about 63 days of flowering to complete the cycle and reach the mature buds.

Flowering in Outdoor Cultivation

With outdoor plantations, you can begin with trimming by the end of September - beginning of October.

Sativa/Indica Percentage

30% Sativa -70% Indica.


  • THC 23%

Review by La Huerta

Sour Gummy by Dr. Underground is a feminized strain with good yield and a flavor so sweet it would overwhelm Willy Wonka. It offers any grower the opportunity to get their hands on a fantastic, resilient, and productive strain.

A cautious grower will know how to take advantage of it and emphasize its unique qualities with proper techniques.

Data sheet

Types of seeds
Feminized seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Average Flowering (55-65 days)
Strong effect
Acid taste
Sweet/candy flavour
Sweet/fruity flavour
Grapefruit strain
Kush strain
Other characteristics
Easy to grow

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