Double Bubble cannabis seeds packaging — Royal King Seeds Canada
Hybrid
THC 22%%
HybridFeminizedIn Stock

Double Bubble Feminized

S1 FeminizedSee Lab Report →

Potent feminized hybrid with relaxed and focused effects and moderate stretch and sturdy branching. Ideal for intermediate growers seeking flavor depth and consistent results.

Flavor:Citrus, sweet fruit, herbal earth

Best for:🕐Anytime🛋️Relaxation🧘Stress Relief
Intermediate Grower
🧬
THC
22%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Top once at node 5-6 for a balanced bush structure

Select Pack Size
$17.49CAD

Premium stabilized genetics · germination guaranteed

Delivers high harvests under balanced light and nutrients
Blends relaxed and focused sensations — perfect for anytime
Premium hybrid genetics refined for home growers

Ready to grow this strain?

1
Thousands of successful grows with this strain
🎁

Free Seeds With Every Order

Spend $42+
1 Free
Spend $105+
5 Free
Best
Spend $280+
15 Free

Choose your free strains — no mystery seeds. View free seed details

🇨🇦Free Shipping
🌱Germination Guarantee
🔒Discreet Packaging
Premium genetics — sells out fast
Top-rated by Canadian home growers

Royal King Genetics — first-party test batch

Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-04-09 on 125 seeds.

Germination rate: 98.2% (n=125)
Last QC test date: 2026-04-09
Indoor yield: 415-542 g/m² (avg across 15 verified grower reports)
Outdoor yield: 645-940 g/plant (avg across 6 verified grower reports)

About Double Bubble Feminized

If you have grown a dozen hybrid strains and they all blur together, Double Bubble Feminized is the one that stands apart. The reason is straightforward: the terpene expression here is genuine. Caryophyllene dominates the profile with peppery, spicy notes that you can actually taste, not just read about on a label. Backed by 20-24% THC and a 45/55 indica-sativa split, the effects match the flavor — Relaxed and Focused without the muddled middle that plagues generic seeds.

What makes this strain worth growing in Canada specifically is its photoperiod structure that gives you full control over veg time and final plant size. Growers often find that Double Bubble Feminized responds well to the wide temperature swings common in Canadian basements and garages — the genetics are hardy enough to handle less-than-perfect conditions without sacrificing flower density.

Effects & Experience

Double Bubble Feminized opens with Relaxed as the lead note and builds from there. The onset is steady rather than abrupt — you will feel the shift starting within 3-5 minutes of consumption, with the full expression arriving around the 20-35 minutes mark. At that peak, the 45/55 indica-sativa balance becomes obvious: the mind sharpens into focus while the body stays light and mobile.

Dosage makes a real difference with this cultivar. A conservative dose (0.1-0.15g in a vaporizer) delivers the Relaxed and Focused qualities at a level that most people can work through. Double that dose and Calm takes the wheel — at this level, Double Bubble Feminized transitions from a functional hybrid into an intensely cerebral ride where thoughts connect in unusual ways and stimulus sensitivity increases.

Growers often find that the same batch produces slightly different effect profiles depending on harvest timing. Pulling plants when trichomes are mostly cloudy emphasizes the Relaxed and Focused qualities. Waiting for 20-30% amber shifts the experience toward heavier relaxation and thought deceleration. This gives the cultivator some control over the final product — something that experienced growers appreciate about Double Bubble Feminized specifically.

Real-world scenarios where this strain fits: a Saturday morning hike prep, studio session for musicians or artists, catching up with friends over a backyard fire. The Focused quality that surfaces late in the session ensures the landing is soft.

Flavor & Terpene Profile

Let's talk about what Double Bubble Feminized actually tastes like. The jar smell is cream — not a hint of it, not a suggestion, but a confident statement. Breaking the bud open amplifies the caramel and sweet undertones that were hiding beneath the surface. The grind fills the room.

The smoke itself carries cream on the inhale with a texture that sits in the medium-body range. It is not wispy and it is not harsh — just a solid, flavorful draw that delivers the terpenes efficiently. The exhale is the interesting part: caramel takes the lead position, with sweet providing a subtle finish that lingers for 15-20 seconds. Regular consumers learn to appreciate this transition — it is the same every session, which builds a flavor memory unique to Double Bubble Feminized.

Caryophyllene is the primary terpene here, contributing peppery, spicy notes and stress-reducing and mood-elevating properties that directly influence the quality of the high. Ocimene plays second chair with sweet, herbaceous, woody accents and its own energizing and uplifting pharmacological contribution. The interplay between these two terpenes is what separates Double Bubble Feminized from strains with similar THC content but less interesting smoke.

Growing tip related to flavor: the terpene profile responds to environmental stress during late flower. A mild temperature drop to 60-65°F during the final dark period can push terpene production slightly higher. This technique works best when combined with a 48-hour dark period before harvest. Avoid using heavy pesticides or foliar sprays during the last four weeks — anything you apply can end up affecting the terpene expression.

For the best flavor experience: vaporize at 345-365°F through a clean glass pathway. Combustion works but sacrifices approximately 30% of the volatile terpene compounds that make Double Bubble Feminized taste the way it does.

Growing Double Bubble Feminized in Canada

Canadian growers have been running Double Bubble Feminized successfully across a range of setups, from closet grows in Toronto apartments to full-season outdoor gardens in the Okanagan. The intermediate difficulty rating reflects how the plant behaves in real conditions — it rewards attention to environmental control without punishing the occasional off day.

Indoor Setup: Plant height stays within 90-150cm, making it manageable in standard 5-7 foot grow spaces after accounting for pots and light distance. Veg under 18/6 for 4-5 weeks, then flip to 12/12. The flowering period runs 8-10 weeks from the day you switch the light schedule. Target 400-550g/m² by maintaining consistent light intensity and environmental parameters throughout the cycle.

Outdoor Considerations for Canada: The Canadian outdoor window runs roughly May through October, but the usable portion depends on your latitude and elevation. Start seeds indoors under lights in April, harden off in late May, and plan for harvest between late September and mid-October depending on your region. Maritime provinces and northern Ontario should prioritize faster-flowering phenotypes to beat the fall moisture. Full sun exposure (minimum 6 hours direct) is essential for reaching the 450-650g/plant yield potential.

Stretch and Structure: Double Bubble Feminized shows a 50-100% height increase during the first two to three weeks of flower. Topping once during veg and using LST to open the canopy produces the most even light distribution for this growth pattern.

Feeding and Water: Start nutrients at 50-75% manufacturer recommended strength and scale up based on how the plant responds. This strain drinks more than average during mid-flower as the colas fill out. Increase watering frequency rather than volume to keep the root zone consistently moist without saturating it.

What Can Go Wrong: The main risk is inconsistent environments causing herming (stress-induced pollen sacs). Keep temperatures stable and avoid light leaks during the dark period. Similar genetics like Lemon OG Kush Feminized and White Berry Feminized share some of these tendencies. Our cold-hardy seeds for Canada covers prevention strategies in detail.

Flowering Timeline: 8-10 weeks from the 12/12 flip. Trichome maturity is the real harvest indicator — use a jeweler's loupe and harvest when 80-90% cloudy with 10-15% amber for peak cerebral effects.

Post-Harvest Processing of Double Bubble Feminized

The work does not end at chop. How you process Double Bubble Feminized after harvest has as much impact on final quality as the entire grow cycle that preceded it. Growers often find this is where they either lock in everything they worked for or let it slip through their fingers.

Wet trim vs dry trim: The more open bud structure of this strain handles dry trimming well. Leaving the sugar leaves on during the drying phase protects the trichomes and slows the dry slightly, which preserves more terpenes. Either approach works — consistency is more important than the specific method.

Drying environment: 60°F, 55-60% relative humidity, complete darkness, gentle air circulation (fan on the wall, not pointed at the plants). In Canadian homes, fall and winter provide naturally cool conditions that support a slow dry. Summer growers may need to run a small air conditioner or dehumidifier to maintain proper conditions. The ideal dry takes 10-14 days. Under 7 days indicates the environment is too warm or dry. Over 18 days suggests it is too cold or humid.

Curing science: Curing is not simply about drying further — it is a controlled decomposition process where chlorophyll breaks down, starches convert to sugars, and terpene profiles develop their full complexity. Double Bubble Feminized benefits from extended curing because the Caryophyllene terpene develops slowly. Jars opened at two weeks will taste noticeably different (and better) than the same flower at four weeks. We recommend a minimum four-week cure for this strain.

Quality indicators to watch during cure: The cream aroma should intensify gradually over the first 3-4 weeks. If you detect ammonia or hay-like smells, the flower was jarred too wet — open the jars immediately and allow additional drying before re-sealing. Properly cured Double Bubble Feminized should smell cleanly of cream and caramel with no off-notes. The buds should feel slightly sticky without being damp, and should break apart with a clean snap rather than crumbling to dust.

For more post-harvest techniques, refer to our germination guide. Comparable strains like Lemon OG Kush Feminized and White Berry Feminized respond to similar curing protocols.

Who Double Bubble Feminized Is For

Double Bubble Feminized hits the mark for a specific type of grower: someone who has the fundamentals down and wants a strain that responds proportionally to the care invested. If that is you, this cultivar will not disappoint.

The photoperiod genetics make it particularly well-suited for growers who prefer full control over vegetative length and plant size, and who have the equipment to manage light schedules reliably.

From a consumer perspective, Double Bubble Feminized serves Anytime and Relaxation purposes. The Relaxed primary effect is the draw, and the 20-24% THC range puts this in experienced-consumer territory — start slow if your tolerance is not established.

Skip this strain if: You are looking for a one-trick specialist — this hybrid trades peak performance in any single category for versatility across several. Also avoid if your grow space cannot accommodate 90-150cm height after accounting for pot and light distance.

How Double Bubble Feminized Compares

Compare Double Bubble Feminized against the hybrid field and a few things become clear. First, the cream and caramel terpene character is more pronounced than most alternatives — this is a flavor-forward cultivar that competes on taste alongside potency. Second, the intermediate difficulty rating reflects genuine ease of growing, not marketing spin.

Against Lemon OG Kush Feminized: Double Bubble Feminized offers comparable Relaxed effects with a more distinctive flavor profile. THC at 20-24% is competitive. Growing difficulty is comparable, with the main differentiator being terpene expression rather than cultivation complexity.

Against White Berry Feminized: Similar growing timeline, comparable yields, but Double Bubble Feminized separates itself on consistency. Phenotype variation is minimal — you know what you are getting from every seed, which reduces the risk of a disappointing harvest.

Photoperiod advantage: The ability to extend veg time for larger plants gives Double Bubble Feminized a yield ceiling that autoflower versions cannot match. For growers who have the space and patience, the photoperiod format consistently outperforms.

Bottom line: Double Bubble Feminized competes on reliability and flavor rather than trying to lead any single metric. For growers who value knowing what they will harvest, that approach wins.

Effects

😌Relaxed
72% of people reported feeling Relaxed
🧠Focused
69% of people reported feeling Focused
🧘Calm
60% of people reported feeling Calm
😊Happy
51% of people reported feeling Happy
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
😎Uplifted
31% of people reported feeling Uplifted
🤤Hungry
27% of people reported feeling Hungry
😴Sleepy
24% of people reported feeling Sleepy

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 45%Sativa 55%

Strain Data Sheet

🧬THC22% - 26% (High)
🌿LineageChemdawg × Wedding Cake
🔬TypeFeminized Hybrid
🌡ClimateAll Climates (Adaptable)
📅HarvestEarly - Mid October
📏Height4.3 - 6.5 ft | 128 - 196 cm
⚖️YieldHigh
🏠Yield Indoor15.4 oz/ft² | 438 - 576 g/m²
🌳Yield Outdoor15 - 22 oz/plant | 438 - 626 g/plant
Flowering Time8 - 10 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Canadian Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in Canada under the Cannabis Act (2018). Customers are responsible for understanding local laws.
1
Double Bubble Feminized
royalkingseeds.ca
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

Related Strains

Candy Kush Autoflower
HybridAuto
THC 24%%
Fast Grow

Candy Kush Autoflower

RelaxedEuphoricEnergetic
$18.89CAD
Headband Feminized
Hybrid
THC 23%%%

Headband Feminized

EuphoricHappyRelaxed
$16.09CAD
Bay 11 Feminized
Hybrid
THC 25%%%

Bay 11 Feminized

FocusedHappyUplifted
$17.49CAD
Master Bubba Auto
HybridAuto
THC 5%%%
Fast Grow

Master Bubba Auto

CreativeEuphoricFocused
$18.19CAD

Double Bubble Feminized— Breeder & Stabilization Detail

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — the internal breeding team at Royal King Seeds. Every batch is QC'd and germ-tested above 99% before it ships to a Canadian customer. Read the full breeding process or learn more on the about page.

Stabilization Level
BX2
Generations Worked
3+
Breeding Program
Royal King Genetics Backcross Line — BX2 modern hybrid stabilization
Stabilization Notes — What This Means for Your Grow

Backcrossed twice to the dominant parental line. Double Bubble now expresses structural balance consistently across the population — what was interesting about the original cross is preserved without the pheno-roulette of an unstabilized F1.

Breeding Goal

Carry a clone-derived recent-era hybrid into a stable seed pack.

Selection Focus

Picked for balanced indica/sativa expression, terpene fidelity, and pack-to-pack uniformity.

Pollen / Mother Source

Royal King Genetics select-mother program — pollen drawn from an internally maintained reversed-female line.

Last Batch QC Verified
August 22, 2025· 99%+ germination
HomeWishlistAccount