



Grapefruit Diesel Seeds
Indica-dominant and delicious, Grapefruit Diesel blends a relaxing vibe with a ripe, citrusy sweetness and pungent diesel aroma. The potent 18% THC content helps make this strain a favourite across Canada.
Growing Tips for Grapefruit Diesel
Grapefruit Diesel can be difficult to grow and harvest. Having prior experience in cannabis cultivation will make growing this herb a lot easier. Grapefruit Diesel marijuana plants will thrive indoors and outdoors, but have an easier time growing indoors because of the ability to completely control the climate. If you choose to grow indoors, you will have to replicate a steady environment similar to a warm Mediterranean climate. Grapefruit Diesel cannabis seeds produce plants with long, dark green leaves and buds that are bright yellow and white. These vibrant plants will stand out in a room full of cannabis cultivars.
If you choose to grow outdoors, you will need consistent temperature and humidity to grow these plants to completion. Doing so will ensure that you grow healthy buds from the top of the plants to the buds closest to the soil. Having access to a greenhouse is the best way to give these plants the ideal outdoor climate without having to contend with unexpected outdoor variables — particularly important across many Canadian growing regions where weather can be unpredictable. These plants grow to a short to medium height and can reach a height of around 60–180 centimetres. Because the plants reach a maximum indoor and outdoor height of around 180 centimetres, they may require a little more maintenance to really produce hefty yields of high-quality bud.
The ideal temperature for these plants is around 21–27 degrees Celsius and slightly cooler at night. Humidity levels should be kept around 50–60% during the vegetative growth stage and the flowering stage, but lowering the humidity every week will help this plant grow. Growing indoors will ensure that the moderate humidity levels and moderate temperatures are consistent and maintained every day that the plants are in the growing stages.
Topping and Low-stress training (LST) methods are the best training techniques for this particular strain of cannabis. If performed correctly and at the right time, these techniques will promote bud production and increase final yields. LST helps manipulate the plants by tying down the branches to increase the size and density of the buds while allowing them to grow almost naturally. Topping will help keep the plants manageable by trimming the tops so the canopies don’t overgrow. The Grapefruit Diesel strain requires an 18–20 hour light cycle to reach the vegetative growth stage. Changing the light cycle to a 12/12 cycle will help to induce the flowering stage of growth and get your plants to harvest.
Yields, Flowering Time, and Harvest
- Flowering Time: Growing indoors, you can expect the Grapefruit Diesel strain to harvest after a short flowering period of 55–65 days.
- Yields: Indoor yields are around 450 grams per square metre, while outdoor grows typically produce up to 550 grams per plant. These yields are solid and packed with dense, dank nuggets of delicious buds.
- Harvest: Outdoor growers across Canada can plan on harvesting their yields around the middle of October, depending on when the seeds were planted.
Grapefruit Diesel: Sweet Citrusy Diesel
The Grapefruit Diesel cannabis strain terpene profile is directly responsible for how the plant smells and tastes, and the strong effects it has on its users. The most dominant terpene in this strain is caryophyllene, while myrcene and limonene are the secondary terpenes.
- Caryophyllene: Most Dominant - This is known as the spicy or peppery terpene and can be found in cloves, black pepper, and cannabis plants.
- Myrcene: Secondary Terpene - Myrcene is earthy and found almost exclusively in cannabis plants.
- Limonene: Citrus Fruits - Limonene is found mostly in the rinds of citrus fruits such as lemons and oranges.
Strain Data
| Breeder | Growers Lab |
| Pack Size | 3 Seeds, 5 Seeds, 10 Seeds, 25 Seeds |
| Cannabis Species | Hybrids |
| Genetics | 60% Indica/40% Sativa |
| Flowering Time | 55-65 days |
| THC | 18% |
| THC Level | Moderate (10%-20%) |
| CBD Level | Low (<2%) |
| Terpene Profile | Caryophyllene, Limonene, Myrcene |
| Effects | Relaxed, Sleepy, Uplifted |
| Yield Indoors (per m²) | Up to 450g/m² |
| Yield Outdoors | Up to 550 gr |
| To Target | Muscle Spasms, Pain, Stress |
| Taste | Citrus, Diesel, Sweet |
| Skill Level | Intermediate |
| Plant Sex | Feminized |
| Flowering Type | Photoperiod |
| Where to Grow/Cultivate | Indoor/Outdoor |
| Size | Medium |
| BIN | BIN5 |
| Yield Level | Standard Yield |





