



Blackberry Seeds
The Blackberry strain is a sweet, indica-dominant strain with 22% THC, offering relaxing body effects and a happy, creative buzz. Its fruity blackberry flavour and spicy aroma make it perfect for nighttime.
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More About These Blackberry Strain Seeds
Blackberry is a hybrid cannabis strain bred from Black Domina and Raspberry Cough, known for a vibe that lands somewhere between upbeat and unwind. Many people describe the effects as buzzy at first, then settling into a smoother, more relaxing finish that doesn't feel instantly couch-bound.
On the nose, Blackberry tends to come in loud: a pungent mix of ripe fruit and fuel, with that gassy edge that lingers after you crack a jar. Visually, growers often point to its tight leaf structure and frosty buds, giving it that classic "sugar-dusted" look in late flower.
If you're thinking cultivation, this strain is commonly said to perform best indoors, with a flowering window that typically runs about 9 to 11 weeks.
Growing Tips for Blackberry
Blackberry is an easy strain to grow, but only if you have prior experience cultivating cannabis. The strain is tricky to grow and requires a bit of a green thumb to reach harvest. Blackberry marijuana plants will thrive both indoors and outdoors, but have an easier time growing indoors. The indoor grow is easier because of the ability to control the climate. If you are going to grow indoors, you will have to replicate a warm, sunny environment with stable temperatures and good air circulation. Blackberry produces thick Indica buds with ample fresh air and direct sunlight, as well as high-quality, nutrient-rich soil.
If you are going to grow outdoors, you will need to maintain a consistent temperature and humidity to get these plants to harvest. Having access to a greenhouse is the best way to give these plants the premium outdoor climate they require without having to contend with outdoor variables — particularly important given the shorter warm seasons across many parts of Canada. Because these plants can grow to be upwards of 1.8 metres tall, they require ample vertical space to grow. The ideal temperature for these plants is around 20–27°C. Humidity levels should be kept at 50–90% during the vegetative stage and slowly decreased into the flowering stage of growth. Growing indoors will ensure that the higher humidity levels are reached every day that the plants are in the vegetative and flowering stages. Low-stress training (LST) and the Screen of Green (ScrOG) methods are the best training techniques for this particular cannabis strain. Both of these methods help control the plant's height while also reinforcing the heaviest buds so that they don't break or bend the branches.
These Blackberry strain seeds will require an 18–20 hour light cycle to reach the vegetative stage of growth. Changing the light cycle to a 12-hour on and 12-hour off cycle will induce flowering and help get these plants to harvest.
Yields, Flowering Time, and Harvest
- Flowering Time: Growing indoors, you can expect the Blackberry strain to harvest after a flowering period of 60–70 days.
- Yields: Indoor yields are around 500 grams per square metre, while outdoor grows typically produce up to 300 grams per plant. This strain grows better indoors than it does outdoors, but both yields are quite impressive. Growing the maximum number of plants permitted under your household's allowance is the best way to increase your overall yield come harvest time.
- Harvest: Outdoor growers across most of Canada can plan on harvesting their yields around the end of October, depending on when the seeds were planted and local climate conditions.
Blackberry: Aromatic and Flavourful
The Blackberry 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 limonene and myrcene are the secondary terpenes.
- Caryophyllene: Most Dominant – Known as a spicy and peppery terpene, caryophyllene is most commonly found in cinnamon, cloves, black pepper, and cannabis plants.
- Myrcene: Secondary Terpene - The "Mother of all Terpenes", myrcene gives cannabis its earthy flavour and aroma. Myrcene can be found in several cannabis strains.
- Limonene: Fresh Citrus - Found mostly in the rinds of citrus fruits, limonene is known for helping to decrease anxiety and can improve lung function when found in cannabis.
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Strain Data
| Breeder | Amsterdam Seeds Co. |
| Pack Size | 3 Seeds, 5 Seeds, 10 Seeds, 25 Seeds |
| Cannabis Species | Hybrids |
| Genetics | 70% Indica/30% Sativa |
| Flowering Time | 60-70 days |
| THC | 22% |
| THC Level | High (>20%) |
| CBD Level | Low (<2%) |
| Terpene Profile | Caryophyllene, Limonene, Myrcene |
| Effects | Euphoric, Happy, Relaxed |
| Yield Indoors (per m²) | Up to 500g/m² |
| Yield Outdoors | Up to 300 gr |
| To Target | Depression, Stress |
| Taste | Berry, Citrus, Sweet |
| Skill Level | Intermediate |
| Plant Sex | Feminized |
| Flowering Type | Photoperiod |
| Where to Grow/Cultivate | Indoor/Outdoor |
| Size | Medium |
| BIN | BIN6 |
| Yield Level | Standard Yield |





