Rosenthal brings together resin-heavy buds, a grounded Indica character, and a bright lift that keeps the experience lively. With earthy-sweet flavor, 15–19% THC, and a manageable 8–10 week flowering window, this rewarding variety suits growers seeking relaxing effects and a generous harvest.
Its lineage blends South Asian and Mexican genetics with Indica influence from Hindu Kush and Afghan Kush. The result is a sturdy, mostly Indica hybrid, with a 60% Indica and 40% Sativa balance. Rosenthal honors a renowned U.S. cannabis activist and carries a distinctive global heritage into the garden.
Expect a rich earthy aroma with a sweet finish. The smoke is smooth and full-flavored, while dense buds glisten under a thick coat of resinous trichomes. That generous resin production also makes Rosenthal a compelling choice for growers interested in concentrates.
Rosenthal’s reported THC range is 15–19%. Its effects bring together an energetic, giggly lift and a deeply settling body feel. Many choose it for unwinding in the evening, when its soothing character can take center stage while the mind stays pleasantly clear.
Alpha-pinene, caryophyllene, linalool, myrcene, P-cymene, and terpinolene shape Rosenthal’s terpene profile. Together, they complement its earthy-sweet character and balanced effects. The strain is often selected by consumers seeking support with discomfort, sleep, or relaxation. Effects vary from person to person, and Rosenthal is not a substitute for medical care.
These feminized seeds are designed to produce female plants, helping you focus your grow on flower production. Rosenthal is rated suitable for beginners and performs indoors or outdoors with attentive care. Grassfarmer guarantees germination, so you can start your grow with confidence.
In the early stages, provide a quality, well-draining substrate such as coco coir, peat, or a suitable soil blend. Keep seedlings warm and give them steady, gentle care as they establish. Rosenthal thrives in temperate conditions, with a preferred temperature range of 70–85°F (21–29°C).
Rosenthal grows to around 3.94 feet (1.2 m) and develops a strong central stem with productive side branches. Indoors, use a ScrOG setup to spread the canopy and improve light exposure to lower growth. Maintain good airflow, monitor humidity, and stay alert for pests. Outdoors, choose a sunny location with well-draining soil and consistent watering.
Flowering takes 8–10 weeks. Indoor growers can expect around 1.8–1.97 oz/ft² (550–600 g/m²), while outdoor plants may yield up to 26.46 oz (750 g) per plant in suitable conditions. In the Northern Hemisphere, outdoor harvest typically falls in October. Dense, aromatic flowers finish with a striking coat of resin.
Get Rosenthal from Grassfarmer in the quantity that fits your plans, with fast, discreet shipping and guaranteed delivery in the USA, Canada, the European Union, and the U.K. Our breeders select premium genetics, and germination is guaranteed. Bring home this earthy-sweet, resin-rich hybrid and set your next harvest in motion.
