King Kong
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King Kong

also known as King Kong OG, King Kong Kush

Indica-dominant

King Kong, in its best-documented version, traces back to Dr. Underground and a cross of Ed Rosenthal Super Bud and Chronic; two other breeders use the name.

Research as of 11/06/2026

For King Kong, Dr. Underground, a breeder from Las Palmas on Gran Canaria, combined 2 lines from established seed companies: Ed Rosenthal Super Bud from Sensi Seeds and Chronic from Serious Seeds, whose reversed plant supplied the pollen. According to the breeder, the aims were plenty of resin, a short flowering period and large harvests. This version is the best documented and also circulates as King Kong OG or King Kong Kush. Two other strains of the same name come from All Star Genetics and Big Buddha Seeds and are based on different parent strains.

Genetics and Origin:

Through Ed's PEHT, Ed Rosenthal Super Bud traces back to Afghan, Mexican, Thai and African origins as well as Hindu Kush, while Chronic traces back to Northern Light, Skunk and AK47. How strongly King Kong leans toward indica is not described consistently in the sources: in some it is an indica-dominant hybrid, in others, without any weighting, an indica-sativa cross.

Dr. Underground has reused the strain several times, for example for Kong 47 from a clone called Brutal Cut and AK47, for Godzilla Glue 4 with Gorilla Glue 4 and for Auto King Kong with an unnamed ruderalis.

Aroma and Flavor:

Dr. Underground describes lemon, skunk and incense with hints of Fenosa Haze. Other strain descriptions add sour, spicy and earthy notes, and in flavor wood, pine and herbs; the dominant terpenes named are caryophyllene, myrcene and limonene. Grow profiles record hash-like, sour notes and a smell of sweat after harvest, with earth and orange blossom in flavor. A few consumer reports mention tropical fruit or sandalwood, while others found the smoke harsh.

Effects:

Fast and strong, with an elevated mood: this is how the breeder describes the effect. Reports from users range more widely. Mentioned are relaxation, euphoria, giddiness, focus and at times a burst of energy; others describe a heaviness in body and head to the point of being stuck on the couch, and still others felt hardly anything. Side effects reported include dry mouth, dry eyes, headache and dizziness, occasionally paranoia and irritability.

THC Content:

A strain description gives 17 % THC and 1 % CBG for King Kong.

Cultivation:

For the photoperiod version, offered only as feminized seeds, Dr. Underground states 7 to 8 weeks of flowering, 700 to 900 g/m² indoors and around 1 kg per plant outdoors, with harvest from late September to early October. Assessments of difficulty differ: one description rates it as moderate and names a temperate to Mediterranean climate, another places the strain with more advanced growers because of its sprawling side shoots.

In documented indoor grows, flowering took 55, 57 and 60 days. The plants grew bushy with many long, strong side shoots, and one stretched from about 35 to around 100 cm after the start of flowering; an outdoor profile describes a fir-tree shape. The dried buds were hard and compact with little leaf content. The plants tolerated topping of the main stem well, while growers advise against heavy pruning. Reported are a high nutrient demand alongside tolerance of feeding errors and insensitivity to temperature fluctuations. A hydro grow ran at pH 5.5 to 6.2 and an EC of no more than 1.0 during growth and 1.8 in flowering.

A grower distinguished an indica-like phenotype with dense buds from a sativa-like one with thinner leaves and looser buds. Mold did not appear in several profiles; in a first grow, slight bud rot occurred due to environmental conditions, and the individual plant yielded about 80 g there. Buyer reviews highlight germination rate and vigor, but some report weak roots and yields below the manufacturer's figures.

Versions from Different Breeders:

All Star Genetics spells the name King-Kong and means a predominantly sativa-leaning strain. By the breeder's own account, the clone Red Congolese came through acquaintances in Amsterdam; because NL5 Haze matched its size and vigor, the breeder crossed the two. Stated are 11 to 13 weeks of flowering and a scent of sandalwood with licorice. In 2011 this strain took 2nd place in the Hydro-Haze category at the Highlife Cup and 3rd place in the Hydro category at the Spannabis Champions Cup.

Big Buddha Seeds combines Gorilla Glue with a cross of Cheese and reversed White Widow. The breeder states 75 % indica, 8 to 11 weeks of flowering, 200 to 450 g/m² indoors and a height of 100 to 150 cm, with outdoor harvest in late October. Described are pine, lemon and spice, with a cheesy note depending on the phenotype. At the Highlife Cup 2018, a King Kong took 3rd place in the Bio category, a result attributed to this version. Another strain description mixes up the lines and lists King Kong as a cross of Buddha Cheese and White Widow.

This article is for informational purposes only and is not a substitute for medical or therapeutic advice. If you have any health-related questions, please consult a doctor or another qualified professional.

Effects & aroma

From reviews and experience reports — subjective, not a medical statement

Reported as positive
hungry
sleepy
focused
Reported side effects
dizzy
Headache
paranoid
Aroma & flavor
Herbs Pine Spicy

No reviews yet — information from the strain description. Rate the strain to see shares.

Cannabinoids & terpenes

Levels vary by batch, phenotype and cultivation — values are indicative

THC
17 %
0 %35 %
CBG
1 %
0 %10 %
Terpene profile
  • #1
    CaryophyllenePepper
  • #2
    MyrceneHerbs
  • #3
    LimoneneCitrus

Cultivation

Indicative values from breeder data and grow reports — varies by phenotype and setup

Flowering & harvest
Breeder data
Flowering time
7–8 weeks
Outdoor harvest
Late September to early October · Northern hemisphere
Yield & height
Breeder data
Yield indoor
700–900 g/m²
Yield outdoor
1,000 g/plant

An indoor grow: stretching after the start of flowering from about 35 to around 100 cm.

Difficulty, environment & climate
Breeder data
Difficulty
Medium
Indoor
suitable
Outdoor
suitable
Greenhouse
suitable
Climate
Temperate, Mediterranean

Grow profiles report tolerance of temperature fluctuations as well as of low and high temperatures.

Resistances
Mold
High
Pests
High
Morphology
Growth habit
Bushy
Bud structure
Dense
Calyx-to-leaf ratio
High

Many long, strong side shoots; an outdoor profile describes a fir-tree shape; dried buds hard and compact with little leaf content (bud-to-leaf ratio very good according to grow profiles).

Training
Topping
Recommended

Topping of the main stem well tolerated; heavy pruning is advised against.

Other
Community reports
Nutrient demand
High

Genetics & origin

Origin
Cross
Ed Rosenthal Super Bud (Sensi Seeds) × Chronic (Serious Seeds), revertiert
Origin
SP, Gran Canaria (seat of Dr. Underground, Las Palmas)
Type
Indica-dominant
Available as seeds
Feminized
Flowering types (all versions)
Photoperiod
Awards
  • Highlife Cup 2018Bio · 3rd place (King Kong, attributed to Big Buddha Seeds; submitted by Cremers, The Hague)
  • Highlife Cup 2011Hydro - Haze · 2nd place (King-Kong, All Star Genetics)
  • Spannabis Cannabis Champions Cup 2011Hydro · 3rd place (King-Kong, All Star Genetics)

Versions by different breeders

Several breeders sell their own versions under this name. Each figure comes from the respective breeder.

All Star GeneticsKing-Kong
Different genetics
PhotoperiodFeminized
Flowering
11–13 weeks

Red Congolese (clone) × NL5 Haze, predominantly sativa-leaning; aroma according to the breeder sandalwood with licorice.

Big Buddha SeedsKing Kong
Different genetics
PhotoperiodFeminized
Flowering
8–11 weeks
Yield indoor
200–450 g/m²
Height indoor
100–150 cm

Gorilla Glue × (Cheese × reversed White Widow), 75 % indica according to the breeder; outdoor harvest in late October.

Dr. UndergroundKing Kong
Relation unclear
PhotoperiodFeminized
Flowering
7–8 weeks
Yield indoor
700–900 g/m²
Yield outdoor
1,000 g/plant

Best-documented version (Ed Rosenthal Super Bud × reversed Chronic); which of the strains of the same name appeared first is not documented.

Community

29 grow and experience reports reviewed Community reports
Consensus

Grow profiles describe bushy, vigorous growth with many long side shoots, hard and compact buds and good tolerance of topping; consumer reports mostly mention relaxation and an elevated mood.

Divergent reports

Reported effects range from energizing and focused to heavy and sedating, and a few felt hardly anything; a grower distinguished 2 phenotypes; a first grow had slight bud rot due to environmental conditions; buyer reviews partly report weak roots and yields below the manufacturer's figures.

Reported values from individual grows
Flowering duration in an indoor grow profile
55 days
Flowering duration in an indoor grow profile
57 days
Flowering duration in an indoor grow profile
60 days
Plant height before and after stretching in an indoor grow
35–100 cm
Yield of a single plant in a first grow
80 g
pH value in a hydro grow
5.5–6.2 pH
Maximum EC value during growth in a hydro grow
up to 1 EC
Maximum EC value during flowering in a hydro grow
up to 1.8 EC

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Similar strains

Related genetics, same dominant terpene, similar effects and aroma — excluding direct parents and descendants

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