Q
My buds show a few brown spots, what now?
A
Cut affected areas immediately, increase ventilation and lower humidity to prevent spread.
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- Dense buds, steady growth, greenhouse-ready.
Sirius Black
Feminized photoperiod
Sirius Black is an indica-dominant hybrid suited to greenhouse growers in the UK.
Why choose Sirius Black?
- Resin-heavy colas
- Performs well in greenhouses
- Balanced, reliable effects
THC |
18-23% |
CBD |
<1% |
Lineage |
Northern Lights x Haze |
Genotype |
Indica-dominant hybrid |
Difficulty |
Intermediate |
Flowering |
8-9 weeks |
Height |
Medium-tall (1.8–2.5 m outdoor) |
Yield |
Medium-High (400-600 g/plant outdoor with good care) |
Taste |
Earthy, Spicy pepper, Citrus finish |
Seed Type |
Feminized photoperiod |
Climate |
Humid greenhouse |
Effects |
Relaxed, Uplifted, Focused |
Environment |
Indoor & Outdoor (favouring greenhouse environments) |
About Sirius Black
Sirius Black is an indica-dominant hybrid that combines resin-heavy buds with reliable vigour, making it a good choice for intermediate growers. It thrives in greenhouse and outdoor settings where humidity is managed, producing dense colas and a distinctive earthy, spicy-citrus flavour; in Birmingham growers should focus on airflow and dehumidification to avoid mould and secure the best yields.
Grow Difficulty:
Sirius Black suits intermediate growers who can manage ventilation and humidity. In humid greenhouse conditions the main challenges are mould and bud rot, so regular airflow and dehumidification are advisable.
Flowering Time:
Flowering usually completes in eight to nine weeks under optimal conditions. Outdoor harvest typically falls late September to early October in the UK.
Yield:
Yields are medium to high with proper training and nutrient management. In a greenhouse in the UK plants can produce substantial colas if humidity is controlled.
Height:
Plants develop a medium-tall, sturdy structure with broad leaves and multiple main colas. Expect 1.8 to 2.5 metres outdoors if left untrained.
Environment:
Indoors it responds well to SCROG and topping, producing compact bud sites in controlled rooms in Birmingham. Outdoors or in a greenhouse around Birmingham it stretches more and rewards growers with larger yields.
Climate:
Growing Sirius Black in Birmingham's humid greenhouse conditions requires careful moisture control and regular inspections. A dehumidifier or forced ventilation will reduce mould risk and help the plants reach their potential in Birmingham.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
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Choose seed quantity
Selected:
5 Seeds
£8.00 / seed • You save £13.33
100% Satisfaction Guarantee • Secured Payments