Grandpa’s Cookies R2V1 is a big, productive cookie from Ethos Genetics that crosses two Grandpa’s Cookies keepers, #11 and #6. The breeder rates the yield as monster, and the plant earns it with lots of stacked branches covered in large, dense, extremely resinous flowers.
The aroma moves from sandalwood to warm spices and fresh citrus peels, and TAC reaches up to 30%. Bloom takes 56-63 days, a quick turnaround for a plant that carries this much weight.
Despite the size, she is easy to grow and easy to trim thanks to a high bract-to-leaf ratio. The Grandpa’s Cookies R2V1 strain suits growers who want a heavy, resin-rich harvest without a lot of manicuring.
Lineage and Breeding: Grandpa’s Cookies #11 x #6
Both parents come from the Grandpa’s Cookies family that Ethos built from Grandpa’s Stash and Ethos Cookies. Pairing #11 with #6 combines two of the most productive selections, aiming for size, resin and a sandalwood-and-citrus nose, a good example of how Ethos cannabis genetics are built in layers.
R2 marks the second reversed-female feminized generation: a selected female from an earlier round is reversed and used on another selected female from the same line. V1 stands for version 1, the first release of this specific R2 pairing. The result is all-feminized seed that builds on earlier selection.
Aroma, Flavor and Effect
The bouquet is warm and woody: sandalwood and spice up front, then a bright twist of citrus peel. Ethos files it under orange-grapefruit, sandalwood and spice, and the flavor is smooth and aromatic with a zesty finish.
Effects are a classic hybrid. With TAC up to 30%, expect a balanced experience, a gentle mental lift paired with an easy body that suits late afternoons and relaxed evenings.
Growing Grandpa’s Cookies R2V1 Indoors and Outdoors
Indoors, she grows medium to tall with medium-long internodes. Top her once or twice and train the many branches flat under a SCROG net; that keeps every stacked branch in the light and turns the big frame into an even canopy. Support is useful late in bloom, when the dense flowers put real weight on the laterals. Moderate humidity and steady airflow keep the thick colas in good shape.
Outdoors and in greenhouses, Grandpa’s Cookies R2V1 thrives. Give her plenty of root space and sun, and she will grow into a big plant that finishes in about 56-63 days of bloom. Ethos lists her for intermediate and pro growers, mostly because of her size.
Grandpa’s Cookies R2V1 Characteristics
| Strain type | Feminized photoperiod |
| Generation | R2 V1 (second reversed-female feminized generation, version 1) |
| Genetics | Grandpa’s Cookies #11 x Grandpa’s Cookies #6 |
| TAC | Up to 30% (Total Active Cannabinoids) |
| Effect | Classic hybrid, balanced lift and easy body |
| Aroma/Terpenes | Sandalwood, spices, citrus peels |
| Yield | Extremely high (the breeder calls it monster) |
| Flowering time | 56-63 days |
| Height | Medium to tall |
| Grow level | Intermediate to pro |
| Ideal environment | Indoor, greenhouse and outdoor |
| Best cultivation technique | Topping and SCROG |
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