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Dr Grinspoon

Regular

Dr Grinspoon is a sativa-dominant heirloom known for its cerebral lift and tall, lanky growth habit.

Why choose Dr Grinspoon?
  • Classic sativa vigour with a cerebral lift
  • Performs well under careful training in cooler climates
  • Ideal for growers who want traditional landrace character
THC Typically 2–8% THC
CBD Low (often <1% CBD)
Lineage Thai x Mexican
Genotype Sativa-dominant heirloom
Difficulty Moderate
Flowering 12-14 weeks
Height Tall and lanky (often 1.8–3 m outdoors)
Yield Moderate
Taste Earthy, Herbal, Pine
Seed Type Regular
Climate Cool Highland
Effects Cerebral, Energetic, Creative
Environment Indoor/Outdoor

About Dr Grinspoon

Dr Grinspoon is a sativa heirloom prized for a clear, creative head high and distinct upward growth. It flowers slowly compared with many modern strains, requiring 12–14 weeks to mature and rewarding patient growers with an energetic, cerebral effect. In cooler regions such as Aberdeen growers should use sheltered sites or greenhouse space and employ training to manage height. This variety suits those who value classic sativa structure and terpene-driven flavour over rapid finish or heavy yields.

Grow Difficulty:

It sits at a moderate difficulty level and is not the easiest choice for absolute beginners, especially in cool Highland growing conditions. Attention to airflow, training and feed will reward growers with solid flower development.

Flowering Time:

Flowering runs long compared with many modern hybrids, typically finishing in 12 to 14 weeks. Allow the full cycle rather than forcing an early harvest to get the best cannabinoid and terpene development.

Yield:

Yields are moderate and can be improved with attentive training and structure control. Outdoors it can produce respectable results when grown in a protected, sunny site.

Height:

Plants are tall and airy with long colas and spaced nodes, often needing training to control vertical stretch. Indoors you must plan for height management or expect vigorous upward growth.

Environment:

Indoors it benefits from low-stress training and works well in compact indoor cannabis gardens when height is controlled, with growers in Aberdeen using SCROG and topping to keep size down. Outdoors in Aberdeen it will reach its full stature and needs shelter from wind and rain.

Climate:

Growing Dr Grinspoon in Aberdeen requires planning around the cool Highland growing conditions and shorter, cooler summers. Use of greenhouses, polytunnels or sheltered microclimates helps mitigate cold nights and late-season rain.

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
£53.33 £40.00
£8.00 / seed • You save £13.33
Accepted payment methods
100% Satisfaction Guarantee • Secured Payments
Urbanseedbank Support

Questions & Answers

Customer questions and answers from the Urbanseedbank team. Submit your own question and we’ll respond after review.

5 questions Answered posts are shown first.
Common question Posted by Urbanseedbank Answered
Q
How do you control its height indoors?
A
Verified answer
I top at least twice and use a SCROG net; that keeps the canopy even and limits vertical stretch.
Common question Posted by Urbanseedbank Answered
Q
Do you recommend outdoor or greenhouse for Aberdeen?
A
Verified answer
Greenhouse for consistency; outdoors only if you have a very sheltered, sunny microclimate.
Common question Posted by Urbanseedbank Answered
Q
Any tips for avoiding mould in late season?
A
Verified answer
Increase airflow, remove lower foliage, and consider a dry box or heater for wet autumns.
Common question Posted by Urbanseedbank Answered
Q
When do you flush before harvest?
A
Verified answer
I usually flush two weeks before harvest to clear excess nutrients and let flavours develop.
Common question Posted by Urbanseedbank Answered
Q
How much yield do you get indoors per square metre?
A
Verified answer
With tight training I average moderate yields; expect less than modern high-yielding hybrids but excellent terpene clarity.

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