Free UK Shipping over £99
Discreet Plain Packaging
079 3899 2670
0
£0.00
Search
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

Boston Runtz

Feminised

Boston Runtz is an indica-leaning hybrid with dessert-like flavours, high THC and compact, resinous buds.

Why choose Boston Runtz?
  • Dessert flavours with strong resin production
  • Performs exceptionally under controlled indoor lights
  • Compact plants ideal for limited height spaces
THC 22-28%
CBD ≤0.5%
Lineage Gelato x Zkittlez
Genotype Indica-leaning hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Short to medium (60-120 cm indoors)
Yield Medium to high (400-550 g/m² indoors)
Taste Sweet candy, Creamy vanilla, Citrus fruit
Seed Type Feminised
Climate Variable British Weather
Effects Euphoric uplift, Deep body relaxation, Mild creative focus
Environment Indoor and outdoor — prefers controlled indoor conditions; outdoors requires a sheltered, dry site

About Boston Runtz

Boston Runtz is a potent indica-leaning hybrid bred from Gelato x Zkittlez that produces compact, trichome-rich flowers and sweet, creamy flavours. The strain rewards attentive growers with dense yields and a powerful, balanced high, and it suits indoor setups or protected outdoor sites where humidity and weather are controlled.

Grow Difficulty:

Growing Boston Runtz demands moderate skill with feeding, pruning and mould prevention. In Newport growers must be vigilant because variable British weather can expose outdoor plants to damp and rot.

Flowering Time:

Flowering generally finishes in eight to ten weeks under stable conditions. Trichome development and resin production accelerate during the final two to three weeks.

Yield:

Yield is medium to high when canopy management and nutrition are consistent. Indoor setups with even light distribution deliver the most predictable harvests.

Height:

Plants remain compact to mid-height and respond well to SCROG and main-lining techniques. Strong lateral branching supports several sizeable colas.

Environment:

Boston Runtz thrives indoors where climate and ventilation are controlled, and in Newport indoor grows avoid the region's wet late summers. Outdoors in Newport it can succeed but needs a dry, sheltered microclimate to avoid mould.

Climate:

Growing this strain in Newport means planning for the region's fickle conditions because variable British weather can bring sudden cold, wind and moisture. Adequate shelter or indoor cultivation helps maintain bud integrity and reduce mould risk.

Frequently Asked Questions

Common questions about this strain, covering growth, effects, and suitability for UK conditions.

Verified buyer feedback

Grower Reviews

0.0
No reviews yet. Be the first to share your experience.
Help other collectors choose well Leave a rating, short review, and optional photos.

Customer reviews

Customer photos 0 uploaded

No customer photos yet.
No reviews yet Be the first to leave feedback for this strain.
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
My leaves are yellowing late in flower, is that normal?
A
Verified answer
Some yellowing is normal as plants reallocate nutrients, but check pH and reduce nitrogen if yellowing is severe or necrotic spots appear.
Common question Posted by Urbanseedbank Answered
Q
How close can I run LEDs to Boston Runtz buds?
A
Verified answer
Keep LEDs close enough for good light intensity but watch for signs of light stress; many setups use 20–35 cm depending on fixture output.
Common question Posted by Urbanseedbank Answered
Q
What humidity should I target during flowering?
A
Verified answer
Aim for 40–50% RH early in flower, dropping to 35–45% in the final weeks to limit mould risk and boost resin.
Common question Posted by Urbanseedbank Answered
Q
Do I need a flush before harvest?
A
Verified answer
A short flush with plain water for 7–10 days can improve smoke quality, but ensure the plant still looks healthy and hydrated.
Common question Posted by Urbanseedbank Answered
Q
Any tips for outdoor growers in Wales?
A
Verified answer
Choose a sunny, sheltered microclimate, train plants to reduce wind exposure and be proactive about mildew prevention during wet periods.

Ask Urbanseedbank

Short, product-specific questions get the best answers.