Colin OG RBX by Ethos Genetics

Colin OG RBX Seeds

Colin OG RBX is a Feminized photoperiod with vigorous growth, medium height, and fairly strong lateral branching. Outdoors, she feels right at home. As harvest approaches, her colors can move from nearly black purple to vibrant magenta.

Ethos Genetics bred Colin OG RBX from Grateful Dawg x (Grateful Dawg x The White), with Grateful Dawg using the Dead Head OG cut from Irie Genetics.

Stockier phenotypes appreciate regular defoliation. Once dialed in, plants can produce large yields of flower and oil. Expect bold effects, expressive aroma, and memorable flavor from Colin OG RBX seeds.

Flavor And Effects That Stay With You

Colin OG RBX comes straight at the senses with Classic Sour OG character. It has that sour, unmistakable OG personality, but grape and cherry soften the edges. The flavor feels like dark fruit thrown into a glass of sharp, sour electricity. It is rich without losing its bite.

The grape notes bring a darker sweetness. Cherry adds a brighter fruit accent. Sour OG keeps everything grounded and prevents the profile from becoming sugary or polite. We really like this strain because the flavors have contrast. Nothing feels flat.

Then the effects arrive. Colin OG RBX is described as relaxing, heavy, and long-lasting. The experience settles over the body like a thick velvet coat after a long night. The relaxation has weight, and it does not hurry out the door.

With TAC listed at 27-30%, this cultivar sits firmly in potent territory. The breeder does not provide a separate THC figure, so a very high 25-30% THC range is the appropriate estimate rather than a claimed laboratory result.

Do you want a light little encounter that disappears quickly? This probably is not that strain. We think Colin OG RBX makes more sense when you want deep relaxation and an effect with real staying power, wrapped in sour fruit character and spectacular late-season color.

Colin OG RBX Characteristics

Strain type: Feminized photoperiod

Genetics: Grateful Dawg x (Grateful Dawg x The White)

THC: 25-30% estimated range

Effect: Heavy, relaxing, long-lasting

Flavor: Classic Sour OG, grape, cherry

Flowering time: 9-10 weeks (63-70 days)

Height: Medium

Structure: Strong, vigorous, with fairly strong lateral branching

Bud appearance: Purple shades ranging from nearly black to vibrant magenta as plants ripen

Difficulty level: Intermediate

Best cultivation technique: Regular defoliation for stockier phenotypes

Colin OG RBX FAQ

Is Colin OG RBX seeds Indica or Sativa?

Ethos Genetics does not provide an Indica/Sativa percentage in the supplied information, so we would rather not invent one.

What terpenes does this strain have?

The supplied breeder information does not name individual terpene compounds. It describes a Classic Sour OG profile with grape and cherry notes.

Is this strain good for beginner growers?

We see it as a better fit for growers with some experience. It is strong and vigorous, but stockier phenotypes benefit from regular defoliation, and dialing it in can improve flower and oil yields.

How to grow Colin OG RBX seeds?

Give plants enough room for their lateral branching. This cultivar loves outdoor growing. Watch stockier phenotypes and defoliate regularly when needed. Flowering takes about 63-70 days.

Why does Colin OG RBX change color near harvest?

Dramatic color change is one of its documented traits. As plants ripen, purple tones can develop from nearly black shades through vibrant magenta.