Purple Chemo
UBC Chemo × Purple Kush (rumored)
Purple Chemo is an indica-dominant cultivar with deep sedative properties, often associated with its BC Chemo heritage. It is recognized for promoting heavy body relaxation and is typically recommended for evening use.
Appearance
Purple Chemo buds are typically dense and compact, often described as golf-ball or small cola-sized. They are characterized by thick resin coverage and a high calyx-to-leaf ratio, which contributes to a clean appearance after trimming. The coloration can range from forest green to deep eggplant purple, with the intensity of the purple hues often influenced by cooler nighttime temperatures during the late flowering stage. These flowers may also display mauve to nearly black tones on the sugar leaves and outer bracts, contrasted by milky trichomes and burnt-orange pistils. The structure is characteristically indica, featuring tight nodes, broad shoulders, and pronounced calyx stacks, giving the buds a dense and heavy feel.
Aroma and Flavor
The aroma of Purple Chemo is often described as complex, with notes reminiscent of a forest floor, pepper, and a subtle hint of berry. While not overtly sweet, it can present a berry-tinted finish. Users report a layered bouquet that leans more towards earthy, hash-forward, and musky scents, with a distinct grape-skin nuance. The flavor profile is consistent with its aroma, offering earthy and herbal undertones, sometimes accompanied by floral or citrus notes, and a lingering grape essence.
Effects
Purple Chemo is known for its deeply sedative and indica-leaning effects, making it a popular choice for nighttime use. It is reported to induce heavy body relaxation and a profound sense of calm, often leading to a couch-lock effect. This strain is also noted for its ability to stimulate appetite and promote deep sleep. Due to its potent sedative qualities, it is generally not recommended for daytime activities that require alertness.
Terpenes and Cannabinoids
Purple Chemo is predominantly a THC-dominant strain, typically containing minimal CBD, which contributes to its potent effects. Lab analyses of Chemo descendants often indicate terpene profiles clustering around myrcene and beta-caryophyllene, aligning with its expected heavy and sedating impact. Other terpenes that may be present include limonene, linalool, and pinene. The specific cannabinoid and terpene percentages can vary depending on cultivation and environmental factors.
Origins and Lineage
The origins of Purple Chemo are rooted in the legendary Chemo lineage from British Columbia, often linked to the University of British Columbia (UBC). There are two main theories regarding its genetics: one suggests it is a purple-leaning phenotype of UBC Chemo that was selected and stabilized, while the other proposes it is a cross between UBC Chemo and a well-known purple variety, most commonly Purple Kush. This latter theory suggests the introduction of Purple Kush aimed to enhance anthocyanin expression and contribute a berry-like aroma. The strain has a history tied to compassionate use and is considered a classic example of BC bud.
Cultivation
Purple Chemo is an indica-dominant cultivar, typically exhibiting an 80-90% indica morphology with a squat plant structure, broad leaves, and robust branching. Growers report rapid apical dominance and a high calyx-to-leaf ratio, which simplifies the trimming process. The strain is known for its dense flowers and significant resin production. Achieving its characteristic purple coloration is often dependent on environmental factors, particularly cooler night temperatures during the late flowering stage, which can promote anthocyanin development. It is considered a reliable choice for growers seeking consistent indica structure and potent, resinous flowers.