Grape OG
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Grape OG

Sativa-dominant
Indica 40 % Breeder dataSativa 60 %

Grape OG is a cross of Grape Romulan and Tahoe OG Kush from The Cali Connection, with buds that smell of grape, lemon and fuel.

Research as of 10/26/2026

Grape OG does not need much fertilizer: in 2 documented indoor grows the plants got by on low nutrient doses, and one of the two reports notes that they tolerated over- and underfeeding poorly. The cross of Grape Romulan and Tahoe OG Kush comes from The Cali Connection. It stands out toward the end of flowering, when the plants change color; one producer describes purple tones that appear even under CO2 enrichment, high heat and strong lighting.

Cultivation:

According to The Cali Connection, the strain flowers for 8 to 9 weeks and yields around 300 g/m². According to the breeder, seed exists only in feminized form, and the plant can be grown indoors and outdoors. One strain description assigns it to temperate and Mediterranean climates. The grow reports confirm the flowering window at 55 and 56 days. In both cases the plants appeared stocky and fast-growing, once with a fir-shaped silhouette, once bushy with many long side branches that carried numerous thick buds.

Reports diverge on yield and on how demanding the strain is. In the grow where the plants were trained by mainlining, 2 pots of 7 gallons each produced roughly 1 pound; that report describes the buds as hard and compact and the plants as little prone to mold, and considers the strain suitable only for seasoned growers. The second report rates the yield as somewhat below average, yet sees the strain as manageable even for beginners and as suited to low grow spaces and Sea of Green. According to it, the plant responds well to topping the main stem but needs support during flowering.

Genetics and Origin:

The strain descriptions name Grape Romulan and Tahoe OG Kush as parents. One lists the mother as Romulan Grapefruit and Tahoe OG Kush as the father, another calls the OG parent Tahoe OG Kush S1. The sources disagree on classification: the breeder description speaks of 60 % sativa and 40 % indica, elsewhere Grape OG is treated as an indica-dominant hybrid, and one of the grow reports also describes the growth as indica-leaning.

Other breeders have worked further with the Cali Connection strain. Small Boutique Farms crossed it with Chocolate Chip Cookie Dough to make Chocolate Mintz, and Doc's Dank Seeds crossed it with Dr Who to make Escher. Grape Escape also traces back to Grape Stomper and Grape OG.

Aroma and Flavor:

Grape is in the foreground, accompanied by lemon and floral notes; the breeder description adds undertones of fuel and hash. User reports compare the flavor to fresh grape juice, grape soda and grape fizz powder, and describe it as sweet and smooth. One producer names a pine-like finish alongside the grape. In the grow with mainlining, the buds tasted of pure grape with lemon accents, although the report attributes the grape aroma in part to a grape additive in the fertilizer.

On the terpene profile, one strain description contradicts itself. In its running text it names myrcene as the dominant terpene, whereas its overview, which by its own account is based on products tested in certified laboratories, lists caryophyllene ahead of myrcene and humulene.

Effects:

User reports describe happiness, relaxation and an uplifted mood, along with euphoria, creativity and giddiness. Which way the strain pulls varies between reports: some describe it as calm and mellow without tiredness, others as sleep-inducing, still others as stimulating and focusing; a few consider it sativa-leaning. In the grow report with mainlining, a creative, energizing phase was followed by a markedly subduing effect. One producer describes physical relaxation to the point of sluggishness and heavy eyelids. In one report the effect set in after 10 to 15 minutes. Dry mouth, dry eyes and nervousness appear as unwanted side effects, and one report also mentions a harsh cough.

THC Content:

One strain description gives 16 % THC and 1 % CBG. The considerably higher values cited by Purple Caper Seeds apply to a different strain of the same name.

Versions from Different Breeders:

Besides The Cali Connection, Purple Caper Seeds also lists a Grape OG, but with a different pedigree: it combines Cali Grape with a cross of Fire OG and True OG. This version is regarded as predominantly indica-leaning. The breeder gives a flowering time of about 63 days and speaks of measured values that regularly lie between 27 and 32 % THC; only regular seed exists for it, for indoor and outdoor cultivation. The Cali Connection, by contrast, lists 8 to 9 weeks and exclusively feminized seeds.

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
anxious
dry eyes
dry mouth
Aroma & flavor
Pine Rose Sweet

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
16 %
0 %35 %
CBG
1 %
0 %10 %
Terpene profile
  • #1
    CaryophyllenePepper
  • #2
    MyrceneHerbs
  • #3
    HumuleneHops

Cultivation

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

Flowering & harvest
Breeder data
Flowering time
8–9 weeks
Yield & height
Breeder data
Yield indoor
300 g/m²

The height figures in the grow report (130 cm at the start of flowering, 60 cm final height, ±-54 %) are internally contradictory and were not adopted.

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

Statement from a seed retailer.

Morphology
Bud structure
Dense
Coloration
Coloration toward the end of flowering according to a grow report; purple tones according to a producer description, even under CO2 enrichment, high heat and strong lighting.

Both grow reports: stocky and fast-growing; one fir-shaped, the other bushy with many long side branches and numerous thick side buds. Buds hard and compact in one report, normally compact in the other. One report: little prone to mold.

Training
Topping
Recommended
Support needed
Yes

One grow report: responds well to topping the main stem, suited to low grow spaces and Sea of Green, support needed during flowering. Other report: mainlining in 7-gallon pots.

Other
Community reports
Nutrient demand
Low

Genetics & origin

Origin
Breeder data
Cross
Grape Romulan (auch als Romulan Grapefruit geführt) × Tahoe OG Kush
Type
Sativa-dominant
Available as seeds
Feminized, Regular
Original breeder
The Cali Connection

Versions by different breeders

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

The Cali ConnectionGrape OG
Original
Feminized
Flowering
8–9 weeks
Yield indoor
300 g/m²

Grape Romulan × Tahoe OG Kush; according to the breeder description 60 % sativa, 40 % indica; indoor and outdoor cultivation; yield around 300 g/m².

Purple Caper SeedsGrape OG
Different genetics
Regular
Flowering
63 days
THC
27–32 %

Cali Grape × (Fire OG × True OG); classified as predominantly indica; regular seeds only; indoor and outdoor cultivation; flowering time “±63 days”; THC “regularly” 27 to 32 % according to the breeder.

Community

20 grow and experience reports reviewed Community reports
Consensus

Grape dominates aroma and flavor, often with lemon and sweetness. Effects named: happiness, relaxation, uplifted mood, euphoria, creativity. In both grow reports the plants were stocky, fast-growing and got by on little fertilizer; flowering time 55 and 56 days respectively.

Divergent reports

The effect is described partly as calm without tiredness, partly as sleep-inducing, partly as stimulating and focusing up to sativa-leaning. One grow report considers the strain suitable only for seasoned growers and names a high yield, while the other considers it suitable for beginners too and rates the yield as somewhat below average.

Reported values from individual grows
Flowering time in one indoor grow report
55 days
Flowering time in a second indoor grow report
56 days
Yield of an indoor grow with mainlining from 2 pots of 7 gallons each (approximate)
1 pound
Onset of effects in one user report
10–15 minutes

Grow diaries with this strain

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Similar strains

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

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