The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8114Indica

The Octagon R45 X R4

R4 #5 × R4 #22

The Octagon R45 X R4 is an indica-dominant hybrid strain developed from a structured breeding project within the R4 family. It is known for its high CBD content relative to THC, making it a popular choice for therapeutic applications. This strain aims to provide a balanced experience with a nuanced aromatic profile.

EffectsCalm Focused
May help withAnxiety Pain Stress
AromaCitrusFloralHerbalLemonMintPinePeppery

Appearance

This strain is expected to exhibit a medium stature with robust lateral branching, suitable for various training techniques. It typically develops symmetrical nodes and moderately spaced internodes, making it adaptable for SCROG setups. The calyx-to-leaf ratio is favorable, with buds forming denser clusters than many industrial hemp varieties and a notable resin production.

Inflorescences often present as conical, slightly tapered colas with medium density and fine pistils that transition from cream to copper as they mature. Trichomes cloud evenly, providing a visual indicator for optimal harvest timing. While generally green, slight purpling may appear on sugar leaf margins under cooler night temperatures.

Aroma and Flavor

The Octagon R45 X R4 offers a complex bouquet characterized by a blend of herbal coolness, citrus, and sweet wood notes. The initial aroma features a lift of lemon-lime and pine, complemented by a subtle floral undertone. Secondary scents include hints of sweet hay and green tea, with a finish of peppery, dry spice.

Upon consumption, the flavor mirrors the aroma, beginning with bright citrus notes that quickly evolve into pine needle, sage, and lightly sweet wood. Vaporization at lower temperatures tends to enhance the lemon-lime and sweetness, while combustion can introduce a faint toast and clove character. A minty, cool finish is common, with minimal lingering bitterness.

Effects

This indica-dominant strain is primarily recognized for promoting a sense of calm and focus. Its balanced cannabinoid profile, with a significant CBD presence, contributes to its therapeutic potential. Users often report a relaxed yet mentally clear experience, suitable for daytime or evening use.

Terpenes and Cannabinoids

The terpene profile is often dominated by beta-caryophyllene, limonene, and alpha-pinene, contributing to the strain's citrus-pine-spice aroma. Myrcene and linalool are also frequently present, adding floral and herbal dimensions. Total terpene content typically ranges between 1.5% and 2.8% by dry weight in well-cultivated examples.

The cannabinoid profile is characterized by high CBD levels, commonly ranging from 12% to 20% by dry weight, with THC levels remaining low, typically between 0.3% and 1.2%. This results in CBD:THC ratios often between 15:1 and 25:1. Minor cannabinoids like CBC and CBG may also be present.

Growing

The Octagon R45 X R4 is expected to be adaptable to various cultivation methods, including SCROG and low-stress training, due to its medium stature and strong branching. It favors conditions that allow for managed VPD, particularly during mid-flower stages. The flowering period is typically between 56 to 63 days.

Growers aiming for optimal cannabinoid ratios should consider harvesting in the early to mid-cloudy trichome stage. This timing helps maximize CBDA content while minimizing potential late-stage THC increases. Resin production is generally good, supporting both flower sales and extraction purposes.

Origins and Lineage

The Octagon R45 X R4 is a filial cross of two selected R4 phenotypes, #5 and #22. The R4 family itself originates from high-CBD American cultivars prominent in the early to mid-2010s, often tracing back to parentage like The Wife or Otto-type strains. This specific cross was bred to stabilize desirable CBD-forward traits and ensure consistency.

The breeding rationale behind pairing specific numbered selections like #5 and #22 is to fix complementary traits, aiming for a chemotype that significantly favors CBD production over THC. This approach is designed to enhance reproducibility for both cultivators and patients seeking reliable therapeutic profiles.

Frequently asked questions

What is the typical THC and CBD content of The Octagon R45 X R4?
The Octagon R45 X R4 typically features THC levels between 15-25% and CBD levels below 1%, resulting in high CBD:THC ratios often ranging from 15:1 to 25:1.
What are the dominant terpenes in this strain?
Dominant terpenes often include beta-caryophyllene, limonene, and alpha-pinene, contributing to its characteristic citrus, pine, and spicy aroma.
What kind of effects can be expected from The Octagon R45 X R4?
Users often report calming and focused effects, making it suitable for managing stress and anxiety without significant sedation.
What is the origin of the R4 family of strains?
The R4 family emerged from high-CBD American cultivars in the early to mid-2010s, with a lineage often including strains like The Wife or Otto-type varieties, selected for their significant cannabidiol expression.