Toasted R1 by Ethos Genetics

Toasted R1 is a feminized photoperiod from Ethos Genetics that pairs a sharp diesel parent with a smooth, confectionery OG. The result is a vigorous, heavy-yielding plant with sour, gassy and floral terpenes and a coat of big trichome heads that extract artists will appreciate. If you have been searching for the Toasted R1 strain, this is the Ethos seeds version built from ECSD and Marshmallow OG.

The plant grows lush and dark green, throws strong lateral branches and finishes with large, spongy flowers. Internodes run medium to long, so light reaches deep into the canopy and airflow stays healthy through late bloom. Ethos rates the yield as very high, which puts Toasted R1 among the more productive selections in the catalog.

Her signature sour note does not show up early. It builds slowly and peaks around weeks nine and ten of flower, which is a big reason growers let her run the full nine to ten weeks instead of chopping early.

Lineage and the R1 Generation

Toasted R1 crosses ECSD, the sour, fuel-heavy diesel cut, with Marshmallow OG, a sweet and doughy OG line. The diesel side brings the sharp gas and sour edge, while the OG side adds body, density and a softer floral sweetness that rounds out the bouquet.

The R1 tag is the Ethos Genetics code for the first reversed-female feminized generation. A selected female is reversed to produce pollen, which is then used on another female, so every seed in the pack is feminized and carries the traits of two chosen mothers rather than an untested male.

Aroma, Flavor and Effect

Expect three layers: sour citrus tang, raw gasoline and a light floral lift on top. Early in bloom the gas leads, and as the flowers mature the sour component takes over until the whole room smells tart and fuel-soaked. Cured flowers keep that balance, with the floral note showing on the exhale.

Ethos files Toasted R1 under classic indica and classic hybrid effects, with TAC up to 25%. In practice that points to a full, rounded experience that settles into the body while keeping the head engaged, suited to evening sessions or a slow afternoon. Big resin heads also make her a strong candidate for ice water hash and rosin.

Growing Toasted R1 Indoors and Outdoors

Indoors, top once or twice and spread the strong side branches under a net to build an even canopy. Her vigor means she fills space quickly, so a shorter veg is often enough. Keep humidity in check during the last weeks, because the large spongy flowers hold moisture, and give her steady airflow between colas.

Outdoors and in greenhouses she grows into a broad, productive bush. Plan for a nine to ten week bloom and pick a site with good sun and moving air. Medium height keeps her manageable, and Ethos lists intermediate to experienced growers as her ideal audience.

Toasted R1 Characteristics

Strain type	Feminized photoperiod
Generation	R1 (first reversed-female feminized generation)
Genetics	ECSD x Marshmallow OG
TAC	Up to 25%
Effect	Indica-leaning hybrid, full-bodied and rounded
Aroma/Terpenes	Sour, gasoline, floral
Yield	Very high
Flowering time	63-70 days (9-10 weeks)
Height	Medium
Grow level	Intermediate to pro
Ideal environment	Indoor, greenhouse, outdoor
Best cultivation technique	Topping, LST and SCROG to spread the lateral branches

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