RS-11 Flower UK Review 2026 — Rainbow Sherbet #11, The Most Sought-After Exotic Strain?
Deep purple. Silver trichomes. Vivid orange pistils. The RS-11 Flower UK — Rainbow Sherbet #11 — is one of the most visually extraordinary and genuinely sought-after exotic cannabis strains available today. Bred from Pink Guava × Sunset Sherbert crossed with OZ Kush, RS-11 combines tropical fruit sweetness, creamy sherbet depth, and gassy kush complexity in one of the most layered terpene profiles in modern cannabis.
In this review we cover the RS-11 genetics, what it looks, smells, and tastes like, the effects, how it compares to other flower in our range, and who it is best suited for.
What Is RS-11?
RS-11 stands for Rainbow Sherbet #11 — a hybrid phenotype bred from a cross of Pink Guava and Sunset Sherbert, crossed again with OZ Kush. The strain has built a substantial reputation among connoisseurs for exceptional bag appeal and a genuinely complex flavour experience.
Browse our full THC Vape UK collection for all available options.
RS-11 — Key Details
- Genetics: Pink Guava × Sunset Sherbert × OZ Kush
- Type: Hybrid
- Appearance: Deep purple, dense, heavy trichome coverage, orange pistils
- Flavour: Sweet tropical guava, creamy sherbet, gassy earthy kush
- Effects: Euphoric onset, smooth body relaxation
- Cultivation: Premium indoor
The Genetics — Why RS-11 Tastes and Looks Like This
Pink Guava brings tropical fruit brightness — fresh, lightly floral, distinctive.
Sunset Sherbert contributes the creamy, sweet, dessert-forward sherbet character that made the Sherbert family a cornerstone of California cannabis.
OZ Kush adds gassy, earthy depth and the potent kush backbone — grounding the sweetness and delivering the substantial body effects.
The deep purple colouring comes from the anthocyanin-rich lineage running through the Sherbert side, while the heavy trichome coverage reflects the strain’s exceptional resin production.
Appearance and Aroma
RS-11 is among the most photogenic strains in exotic cannabis. Dense, chunky, tightly packed buds with purple and violet running through the structure, blanketed in silver-white trichomes and finished with bright orange pistils. Aromatic from the moment the bag opens — sweet fruit and gas together.
Flavour and Effects
Sweet tropical guava and creamy sherbet on the inhale, gassy earthy kush on the exhale. The effects are balanced hybrid — euphoric and mood-elevating at onset, gradually settling into smooth, warm body relaxation. Versatile enough for afternoon social sessions or evening wind-down.
RS-11 vs Other Flower in Our Range
vs Jungle Boys Zazooka Flower UK
The Jungle Boys Zazooka Flower UK delivers Gelato #33 × Zkittlez at 29.10% THC — also famous for deep purple bag appeal. Zazooka wins on verified THC and Jungle Boys’ 18-year heritage. RS-11 wins on the genuinely unique Pink Guava × Sunset Sherbert × OZ Kush terpene complexity.
vs Planta Cannabis Company Zoap Flower UK
The Planta Cannabis Company Zoap Flower UK delivers Rainbow Sherbet × Pink Guava at 22.56% THC — sharing part of RS-11’s lineage. Zoap wins on batch-verified THC and fresh packaging date. RS-11 wins on the added OZ Kush gassy depth and the more complex three-way genetic profile.
vs Up The Hill Revenge of the Zith Flower UK
The Up The Hill Revenge of the Zith Flower UK delivers 1st Place 2025 Proper Cup credentials. Revenge of the Zith wins on verified competition results. RS-11 wins on the sought-after exotic strain status and the distinctive purple bag appeal.
Who Should Buy RS-11 Flower UK?
Buy it if:
- You want one of the most visually extraordinary exotic strains available
- Sweet fruity guava, creamy sherbet, and gassy kush complexity appeal to you
- Balanced hybrid effects suit your sessions
- Exceptional bag appeal and trichome coverage matter to you
Skip it if:
- You are new to cannabis — start low and read our Best THC Vape for Beginners UK guide first
- You want verified competition credentials — our Up The Hill Revenge of the Zith Flower UK is the alternative
- You want organic certification — our No Till Kings 1/8th Flower UK is the alternative
How to Store Your RS-11 Flower UK
Keep sealed until ready to use. Store in a cool, dark place away from direct sunlight, heat, and humidity. Keep out of reach of children at all times.
Where to Buy RS-11 Flower UK
Available exclusively through our store with discreet, tracked UK delivery.
Frequently Asked Questions
Is RS-11 worth buying in the UK?
Yes — one of the most visually extraordinary and terpene-complex exotic strains available. Pink Guava × Sunset Sherbert × OZ Kush, deep purple buds with heavy trichome coverage, sweet-fruity-gassy flavour, and balanced hybrid effects.
What does RS-11 stand for?
Rainbow Sherbet #11.
What are the genetics?
Pink Guava × Sunset Sherbert × OZ Kush.
What does it taste like?
Sweet tropical guava and creamy sherbet on the inhale, gassy earthy kush on the exhale.
Is RS-11 suitable for beginners?
Start low and go slow. New users should read our Best THC Vape for Beginners UK guide first.
Where can I buy RS-11 Flower in the UK?
Available exclusively through our store at thcvapespens.co.uk with discreet, tracked UK delivery.