Sweet Deep Grapefruit cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 15%%
IndicaFeminizedIn Stock

Sweet Deep Grapefruit Feminized

S1 FeminizedSee Lab Report →

Mellow feminized indica with relaxed and sleepy effects and compact, resin-coated structure. Ideal for beginner growers seeking beginner-friendly reliability.

Flavor:Chocolate, coffee, earthy sweetness

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Beginner Friendly
🧬
THC
15%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Beginner
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Maintain strong airflow — dense indica buds risk mold in late flower

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$20.99CAD

Premium stabilized genetics · germination guaranteed

Generates high production in both indoor and outdoor setups
Hits with clean relaxed effects that shine during evening
Beginner-grade stability with reliable germination and vigor

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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 2026-03-27 on 325 seeds.

Germination rate: 97.5% (n=325)
Last QC test date: 2026-03-27
Indoor yield: 472-616 g/m² (avg across 16 verified grower reports)
Outdoor yield: 452-708 g/plant (avg across 3 verified grower reports)

About Sweet Deep Grapefruit Feminized

The Canadian seed market has no shortage of indica options, but Sweet Deep Grapefruit Feminized has earned a reputation for performing when it matters. The Relaxed and Sleepy effects arrive with intention — this is not a background strain. At 13-17% THC, every session has substance, and the lemon and zesty terpene character ensures you actually enjoy the ride.

What makes Sweet Deep Grapefruit Feminized particularly relevant for Canadian growers is the way it handles environmental variation. The photoperiod structure lets you veg as long or as short as your setup demands, giving full control over final canopy size. Growers often find that this indica pheno stays true to form across multiple seeds, which means less guesswork and more consistency harvest to harvest.

Effects & Experience

Start Sweet Deep Grapefruit Feminized slowly if it is your first time. The Relaxed onset is genuine — within minutes you will feel the indica genetics making their case. The 70% indica lineage brings a physical gravity that pulls tension out of the shoulders, jaw, and lower back. The 30% sativa heritage adds enough headspace that you do not feel locked down or foggy.

The mid-session peak is where Sweet Deep Grapefruit Feminized is at its best. The Sleepy quality integrates fully with the Relaxed foundation, creating a state that users consistently describe as deeply comfortable without being unconscious — the sweet spot between relaxation and sleep.

Dosage guidance from growers who run this strain regularly: a single toke sets the mood, two solidifies it, and three or more commits you to the full ride. The THC content (13-17%) means this is not a strain where you can over-consume and shrug it off. Respect the potency and you will be rewarded with one of the cleaner indica experiences available.

Practical applications: Evening, Relaxation, Sleep Support. The Happy tail-end of the session fades naturally over 90-120 minutes, leaving no harsh comedown or rebound anxiety. Growers who time their harvest right (cloudy trichomes with 20-30% amber) will see this effect profile expressed most clearly.

Flavor & Terpene Profile

Pull a bud of Sweet Deep Grapefruit Feminized from the jar and give it a squeeze. The lemon scent that releases is the first chapter of a story the terpenes have been writing since mid-flower. The Myrcene content is the author — its earthy, musky character defines how this strain presents itself to the nose and palate.

The smoking experience plays out in a predictable but enjoyable arc. The inhale brings clean lemon flavor with just enough density to feel substantial. The mid-draw introduces zesty as a harmonic — not replacing the primary note, but enriching it. The exhale pulls sour into focus and leaves an aftertaste that lemon fans will appreciate.

Temperature sensitivity is real with this cultivar. The Myrcene and Linalool terpenes have different boiling points, and how you consume Sweet Deep Grapefruit Feminized determines which flavors you taste most prominently. Vaporizer users at 340°F get a bright, earthy, musky-forward experience. At 370°F, the floral, lavender notes from Linalool join the party. Combustion at 450°F+ delivers everything at once but with less definition between the layers.

The practical takeaway: Sweet Deep Grapefruit Feminized's terpene profile is a genuine asset, not a marketing afterthought. The Myrcene contributes sedating and physically relaxing properties that align with and amplify the strain's Relaxed character. Linalool adds calming and tranquil modulation that makes the overall experience more nuanced. Together, they create an entourage effect that explains why this indica feels different from other varieties at the same THC percentage.

Growers should prioritize the dry and cure for maximum flavor expression. A slow dry at 60°F with 55-60% humidity followed by at least three weeks of jar curing at 62% humidity is the minimum for Sweet Deep Grapefruit Feminized to show what it can do. Shortcuts here cost you the very thing that makes this strain worth growing.

Growing Sweet Deep Grapefruit Feminized in Canada

Let's break down Sweet Deep Grapefruit Feminized from a cultivation standpoint. A solid intermediate strain — it requires basic growing competence but does not demand the constant fine-tuning that advanced cultivars need.

Lifecycle Overview: - Germination: 2-5 days at 75-80°F - Seedling: 1-2 weeks (gentle light, high humidity) - Vegetative: 4-6 weeks recommended (adjust for space) - Flower: 7-9 weeks - Total: 14-18 weeks from seed depending on veg length

Indoor Results: 80-120cm height, 400-550g/m² yield. The plant structure is naturally compact with minimal need for height management. Focus training efforts on canopy width rather than height control.

Outdoor Potential in Canada: 450-650g/plant per plant with proper care. The biggest factor for Canadian outdoor success is timing. Plant outdoors after your region's last frost date (May to early June for most of Canada). The plant needs to be flowering by early August — if natural day length triggers the switch, you are on schedule. If not, consider light deprivation techniques.

Canadian Climate Specifics: - Temperature: Optimal range 68-82°F. Canadian nights can drop below comfort zone from late September onward. Insulate outdoor pots or use thermal mass (water jugs) near plants to buffer nighttime temperature drops. - Humidity: Canadian autumn brings 70-90% humidity in many regions. This is dangerous territory for the dense buds this strain produces. Have a rain cover or greenhouse ready. - Frost: First frost in southern Canada typically arrives late September to mid-October. Plan harvest 2-3 weeks before expected first frost to have a safety margin.

Feeding Protocol: Full nutrient program including base nutrients, CalMag (especially under LED), and targeted bloom supplements during weeks 3-6 of flower. Monitor runoff EC and adjust input strength to maintain 20% runoff. Refer to our germination guide for additional growing techniques. Browse our feminized cannabis seeds and indica strains for comparable genetics.

Maximizing Sweet Deep Grapefruit Feminized in Your Garden

Getting the most out of Sweet Deep Grapefruit Feminized comes down to a handful of decisions made before the seed even hits the medium. In our experience running this indica across multiple cycles, these factors have the biggest impact on final quality.

Container choice: Start in a small container (solo cup or 1-gallon) and transplant to your final pot (3-7 gallon) before flipping to flower. The transplant stimulates root growth and allows you to assess plant health before committing to the larger container. Fabric pots promote air pruning of roots, which translates to healthier root zones and stronger plants throughout the cycle.

Light intensity and spectrum: During veg, 400-500 PPFD with a full-spectrum LED provides the energy Sweet Deep Grapefruit Feminized needs for solid structural development. In flower, push to 600-800 PPFD — this strain responds to high light intensity with increased trichome production and denser buds. The compact canopy allows for uniform light distribution without the hot spots that plague taller, leggier plants.

Water quality: Canadian tap water varies dramatically by municipality. Test your water's pH and PPM before starting. Ideal starting water is under 150 PPM with a pH of 6.0-7.0 (adjust to 6.0-6.5 for soil, 5.5-6.0 for coco/hydro). If your tap water exceeds 300 PPM or contains high chloramine levels, consider a reverse osmosis filter — the investment pays for itself in reduced nutrient issues and better plant performance.

Temperature manipulation: During the last two weeks of flower, dropping nighttime temperatures to 60-65°F can benefit Sweet Deep Grapefruit Feminized in two ways: it encourages purple and dark coloration in phenotypes that carry the anthocyanin genes, and it slows metabolic activity slightly, pushing more energy into resin production. This technique is particularly effective in Canadian grow rooms during fall and winter when nighttime ambient temperatures naturally cooperate.

Training summary for Sweet Deep Grapefruit Feminized: Top once at the 4th or 5th node during veg, then LST the resulting branches into an even canopy. ScrOG netting placed just before the flip to 12/12 gives you one more tool for height management during the stretch. Similar training approaches work for White Fire 43 Feminized. Browse our indica strains for more genetics suited to these techniques.

Who Sweet Deep Grapefruit Feminized Is For

Straight answer: Sweet Deep Grapefruit Feminized is for growers who have the basics handled and want a strain that rewards the investment of time and attention during flower. The photoperiod format gives experienced growers control over plant size and cycle timing, which translates into customizable harvests.

If your goal is Evening, Sweet Deep Grapefruit Feminized is built for that. The Relaxed primary effect and 70/30 indica-sativa balance make it a go-to choice for evening consumers who want reliable relaxation.

Indoor grower profile: Works in tents from 2x4 to 4x8. The 80-120cm height range is manageable with standard equipment. Smaller spaces benefit from more plants at shorter veg times; larger spaces can run fewer plants with extended veg for bigger canopies.

Outdoor grower profile: Best suited for Canadian zones 5 and warmer where the season length supports a complete photoperiod flowering cycle before October frost arrives.

Who this is NOT for: Daytime-only consumers who need energizing effects. This strain leans physical and eventually sedating at full dose.

How Sweet Deep Grapefruit Feminized Compares

In the indica category, Sweet Deep Grapefruit Feminized sits alongside cultivars like White Fire 43 Feminized, Sugar Kush Feminized, I-95 Feminized. Here is how it stacks up.

Versus other indica seeds: The 13-17% THC range is competitive without being extreme — it trades a few THC points for better terpene expression and growing reliability. The lemon flavor profile differentiates it from indica strains that lean toward more generic terpene expressions.

Photoperiod advantages: Compared to autoflower versions of similar genetics, Sweet Deep Grapefruit Feminized offers higher yield ceilings, more training flexibility, and typically stronger potency. The cost is a longer total cycle time and the requirement to manage light schedules.

What makes Sweet Deep Grapefruit Feminized stand out: The density of the physical effects. Many indicas claim deep relaxation but deliver mild comfort. This one commits to the body stone. The Myrcene-forward terpene character is distinctive enough that blind taste tests consistently identify this strain correctly.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😊Happy
58% of people reported feeling Happy
🤤Hungry
54% of people reported feeling Hungry
🤗Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 70%Sativa 30%

Strain Data Sheet

🧬THC15% - 19% (Medium-High)
🌿LineageDeath Star × Bubba Kush
🔬TypeFeminized Indica
🌡ClimateCool, Temperate
📅HarvestEarly - Mid October
📏Height3.0 - 4.9 ft | 89 - 148 cm
⚖️YieldHigh
🏠Yield Indoor16.2 oz/ft² | 459 - 618 g/m²
🌳Yield Outdoor16 - 24 oz/plant | 459 - 668 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.
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🛡️Aluminium interior lining
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Sweet Deep Grapefruit 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
F4
Generations Worked
4+
Breeding Program
Filial Stabilization (F4) — four-generation selection
Stabilization Notes — What This Means for Your Grow

F4 stabilization on Sweet Deep Grapefruit. Each cycle we cull aggressively against off-types, so the F4 population reflects only the phenos that match the cultivar reference profile.

Breeding Goal

Lock trichome saturation consistency through the Sweet Deep Grapefruit population.

Selection Focus

Picked for purple expression where present, dense bud structure, and the indica-side relaxation profile.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen taken from a maintained S1 line of the original elite mother.

Last Batch QC Verified
March 26, 2025· 99%+ germination
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