The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 7658Hybrid

Apollo13 by Brothers Grimm

Unknown

Apollo13 is a boutique hybrid cultivar developed by Brothers Grimm, renowned for its connoisseur genetics. This strain is typically indica-leaning, emphasizing physical relaxation, dense flower formation, and a compact growth habit, making it a favorite among home growers and small-batch producers.

EffectsCalm Lucid Relaxing Body-forward Soothing
AromaCitrusPineEarthySweet Resin

Appearance

Apollo13 plants generally grow compact and bushy, reaching heights of 0.9 to 1.2 meters indoors. The indica-leaning structure results in sturdy stems and thick petioles that can support dense colas. Leaves are broad and dark green, sometimes displaying subtle anthocyanin hues in cooler temperatures, with tight internode spacing contributing to uniform canopy development.

By mid-flower, buds appear as chunky, ovoid clusters covered in a frosty layer of trichomes. The calyx-to-leaf ratio is favorable, facilitating efficient trimming and contributing to a handcrafted look. Mature pistils range from tangerine to copper, receding as the buds ripen.

Aroma & Flavor

Apollo13 offers a dependable profile of classical cannabis flavors. Consumers can expect notes of citrus, pine, and earth, complemented by a sweet resin core. The aroma is often described as vivid and nuanced.

Effects

This strain is known for a calm yet lucid effect profile that is approachable and steady. While some older descriptions may mention energetic traits, cultivated lines in recent years lean towards a soothing, body-forward experience. It is sought after for evening use, providing relaxation without inducing heavy couchlock.

Terpenes & Cannabinoids

Apollo13 typically expresses THC-dominant profiles with trace amounts of CBD and noticeable CBG. Terpene inheritance often reflects a blend of myrcene, beta-caryophyllene, and limonene, with pinene and linalool contributing to its overall character. The terpene content often ranges from 1.5% to 2.5% by dry weight, with THC levels commonly in the low 20% range.

Growing

Indica-leaning expressions of Apollo13 are known for their compact size, dense flowers, and manageable growth habit, making them forgiving during training and suitable for indoor environments. These plants typically finish flowering in approximately 8–9 weeks. They are adapted to moderate light intensities and tight spaces, with a moderate internodal spacing and robust lateral branching.

Origins & Lineage

Developed by the famed breeder collective Brothers Grimm, Apollo13 emerged from a philosophy of meticulous selection and trait stabilization. The name is a nod to the precision and engineering approach of the NASA mission. While specifics of parent lines can vary, the dominant inheritance leans indica, resulting in a grounded and collected personality that distinguishes it from more cerebral siblings in the Brothers Grimm catalog.

Frequently asked questions

Who developed the Apollo13 strain?
Apollo13 was developed by the breeder collective Brothers Grimm.
What are the typical THC levels for Apollo13?
THC levels for Apollo13 are commonly found in the low 20% range.
What is the general effect profile of Apollo13?
Apollo13 is known for a calm, lucid, and body-forward effect, emphasizing relaxation without heavy couchlock.
What are the common flavors associated with Apollo13?
Common flavors include citrus, pine, and earthy notes with a sweet resin core.