The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 5142Indica

Northern Lights 5

Afghani × Thai

Northern Lights 5 (NL#5) is a celebrated indica-dominant cultivar recognized for its abundant resin production, rapid flowering cycle, and profoundly calming effects. It is a highly regarded phenotype within the Northern Lights lineage, valued for its potency, visual appeal, and breeding potential.

AromaPineSweetSpicy

Appearance and Morphology

NL#5 plants typically present a compact and symmetrical structure with pronounced apical dominance, unless intentionally trained. They feature short internodal spacing, contributing to dense cola formation and a quickly developed canopy suitable for indoor cultivation. Buds often range from golf-ball to spear shapes, characterized by significant calyx stacking and a dense, frosty layer of trichomes that extends to the sugar leaves.

The leaves are broad and dark green, typical of indica genetics, with a waxy cuticle that provides some tolerance to environmental fluctuations. As the plant matures, the calyx-to-leaf ratio increases, simplifying the trimming process. Coloration can include deep greens with occasional purple streaking on sugar leaves under cooler temperatures, contrasted by vibrant orange or rust-colored pistils.

Aroma and Flavor

The cured flowers of NL#5 are known for their pungent, sweet, and spicy aroma, often with a distinct pine-forward note. This fragrance is reported to hold well in storage. The flavor profile mirrors the aroma, offering a complex blend that can include citrus, herbal, and peppery undertones, sometimes with hints of honey and mango.

Effects Profile

Northern Lights 5 is consistently characterized by its deeply relaxing and mentally calming effects. Consumers commonly report a sense of euphoric calm and full-body relaxation that effectively eases tension. This combination makes it a popular choice for late-day or evening use, promoting tranquility and easing the mind.

Terpenes and Cannabinoids

Lab results for Northern Lights-line cultivars frequently indicate THC levels in the high teens to low twenties, with modern phenotypes often exceeding 20%. While specific terpene profiles can vary, common compounds found in NL#5 include Myrcene, Limonene, Caryophyllene, and Pinene. These contribute to its characteristic aroma and effects.

Cultivation

NL#5 is recognized for its fast flowering time, often completing its cycle in approximately 45–55 days under optimized indoor conditions. It is known for producing reliable yields, with reported ranges of 450–600 g/m² in controlled environments. The cultivar's structure and resin production make it suitable for both flower and hash production.

Origins and Lineage

Northern Lights #5 is a specific phenotype selected from the broader Northern Lights genetic line, which is understood to trace its origins to Afghani landraces with some influence from Thai genetics. It gained prominence in the 1980s, refined and popularized by breeders and seed banks in the Netherlands. NL#5 has served as a foundational genetic in the creation of numerous popular hybrids, including Jack Herer and crosses with Skunk #1.

Frequently asked questions

What type of strain is Northern Lights 5?
Northern Lights 5 is predominantly an indica-dominant strain.
What are the typical THC levels for Northern Lights 5?
THC content for Northern Lights 5 often ranges from the high teens to over 20%.
What is the flowering time for Northern Lights 5?
NL#5 typically flowers quickly, often finishing within 45 to 55 days indoors.
What kind of effects does Northern Lights 5 produce?
It is known for producing deeply relaxing, calming, and euphoric effects.