G13 Haze Regular by Barney’s Farm brings one of cannabis culture’s most mysterious names into the breeding room. This regular photoperiod strain produces both male and female plants, giving growers the raw material to hunt phenotypes, select mothers and make their own crosses from a potent, Sativa-dominant line.
G13 has carried legends for decades, including the story that it came out of a government research program. Whatever the truth, its strength is real. Paired with Hawaiian Sativa, it forms an 80% Sativa hybrid rated at 23% THC, with dense flowers, heavy resin and a tropical candy bouquet.
Unlike many Haze-type plants, G13 Haze Regular stays compact. Indoors it reaches 100–110 cm (39–43 in) and yields around 500–600 g/m² (1.64–1.97 oz/ft²) after 65–75 days of flowering. Outdoors, females grow to 150–180 cm (59–71 in) and produce up to 800 g/plant (28.2 oz/plant), ready by mid-October.
Lineage: G13 x Hawaiian Sativa
On one side sits G13, a heavy, mysterious Indica-type plant famous for density and power. On the other is a Hawaiian Sativa, bringing island fruitiness, uplifting energy and a refined, branching Sativa frame.
The cross keeps the soaring Haze-style high while the G13 influence packs the buds tight and keeps the plant at a manageable height. Breeders will find a lot of variation to work with.
Why Grow Regular Seeds
Regular seeds give roughly a 50/50 split of male and female plants. That is exactly what breeders want: males provide pollen for new crosses, while females can be compared side by side to find a standout mother plant.
A common approach is to start several seeds, identify males in early flowering by their pollen sacs, and keep the most vigorous, well-structured male for pollen. Among the females, track vigor, aroma, resin and bud density, then take clones of the keeper before flowering finishes. Those clones can be kept as mothers for years or used to create your own G13 Haze crosses and seed lines.
Aroma, Flavor and Effect
The aroma is rich and pungent, mixing spicy sandalwood with earthy depth, while the fruit side bursts through with tropical and citrus notes. It is a fresh, lively smell that fills the room in late bloom.
On the palate, sweet candy and a tropical fruit cocktail lead the way, sharpened by citrus. Hints of pine and spice keep the sweetness in balance and leave a crisp finish.
The high is a powerful creeper. It starts with a cerebral lift and keeps building, bringing euphoria, creativity and motivation. The G13 side adds just enough body ease to keep things smooth, which makes it a strong daytime option.
Growing G13 Haze Regular Indoors and Outdoors
Its short stature for a Haze makes it a fine fit for Sativa fans with limited space. Indoors, plants stay at 100–110 cm (39–43 in) and suit both sea of green and SCROG. Flowering takes 65–75 days, with dense, heavy buds that may need support near the end.
Outdoors, plants reach 150–180 cm (59–71 in) and can produce up to 800 g/plant (28.2 oz/plant) with harvest in the second to third week of October. Choose a warm, sunny site with a dry autumn, and remove males early unless you plan to collect pollen.
G13 Haze Regular Characteristics
| Strain type | Regular photoperiod (male and female seeds) |
| Genetics | G13 x Hawaiian Sativa |
| Indica/Sativa | 20% Indica / 80% Sativa |
| THC | 23% |
| Effect | Powerful, creative, uplifting |
| Flavor | Sweet candy, tropical fruit cocktail, citrus |
| Aroma | Spicy sandalwood, earthy, rich, pungent |
| Indoor yield | 500–600 g/m² (1.64–1.97 oz/ft²) |
| Outdoor yield | Up to 800 g/plant (28.2 oz/plant) |
| Flowering time | 65–75 days |
| Outdoor harvest | October, 2nd–3rd week |
| Height | Indoor: 100–110 cm (39–43 in); Outdoor: 150–180 cm (59–71 in) |
| Best cultivation technique | SOG and SCROG; mother selection for breeding |
FAQ
Is G13 Haze Regular feminized?
No. G13 Haze Regular is a regular photoperiod strain, so seeds produce male and female plants in roughly equal numbers. That makes it ideal for breeding and mother selection.
Is G13 Haze Regular Indica or Sativa?
It is Sativa-dominant, with 80% Sativa and 20% Indica genetics from a G13 x Hawaiian Sativa cross.
How do I tell male and female plants apart?
Sex shows in the first weeks of flowering. Males form small, round pollen sacs at the nodes, while females show white pistils. Remove or isolate males unless you want to collect pollen for breeding.
What is the flowering time of G13 Haze Regular?
Indoors, flowering takes 65–75 days. Outdoors, plants are ready in the second to third week of October.
How much does G13 Haze Regular yield?
Indoors, expect around 500–600 g/m² (1.64–1.97 oz/ft²). Outdoors, female plants can produce up to 800 g (28.2 oz) each.
What does G13 Haze Regular taste like?
The flavor mixes sweet candy, tropical fruit cocktail and citrus, with spicy sandalwood and earthy notes on the nose.
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