Granddaddy Purple cannabis seeds packaging β€” Royal King Seeds USA
Indica
THC 17-23%
πŸ”₯ 30 sold this week
IndicaFeminizedIn Stock

Granddaddy Purple Feminized

S1 FeminizedLab Profile Available β†’

High-potency feminized indica with relaxed and sleepy effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.

β—‰Flavor:Sweet grape, pine, woody incense

Best for:πŸŒ™EveningπŸ›‹οΈRelaxation🧘Reduce stress
Intermediate Grower
🧬
THC
17-23%
⏱
Flower
8 - 10 weeks
βš–οΈ
Yield
Medium - High
🎯
Difficulty
Intermediate
πŸ“
Height
Short
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Maintain strong airflow β€” dense indica buds risk mold in late flower

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Premium stabilized genetics Β· germination guaranteed

βœ“Generates medium–high production in both indoor and outdoor setups
βœ“Hits with clean relaxed effects that shine during evening
βœ“Indica-dominant genetics with stable, consistent phenotype

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About Granddaddy Purple Feminized

We have run Granddaddy Purple across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this indica delivers a caryophyllene-forward flower at 17-23% THC that matches the genetic promise. The 80/20 profile shows in how the plant structures itself β€” bushy, compact, eager to fill lateral space. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.

What We Observed Growing This Strain

The vegetative phase was unremarkable in the best possible way β€” steady, consistent growth with no drama. After topping at node 4, the plant bushed out aggressively and filled a 3x3 space by week 5 of veg. The stretch after flipping was minimal β€” maybe 25-30% height increase.

Flowering completed in 9-11 weeks. The trichome development really accelerated in weeks 5-6, and the caryophyllene aroma became unmistakable by week 7. Final indoor yield: 450-550g/mΒ² under LED. Height at harvest: Compact (2-3 ft). Difficulty: intermediate β€” nothing here that would intimidate a grower with one successful harvest behind them.

The one thing to watch: the last two weeks before harvest required dehumidifier support to keep RH below 50% β€” the flower density trapped enough moisture to raise concerns about bud rot in our 55% ambient humidity grow space.

Effects and Use

At 17-23% THC, Granddaddy Purple delivers relaxed, sleepy, euphoric effects with a caryophyllene-influenced character. The onset is body-first β€” a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.

Terpene Profile

Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (tertiary). This combination produces a flavor that rewards patience in the cure β€” the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.

Who Should Grow Granddaddy Purple

Best suited for growers who want control over their plant size and harvest timing β€” photoperiod genetics let you veg as long as you want before triggering flower. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
πŸ€—Euphoric
60% of people reported feeling Euphoric
😊Happy
51% of people reported feeling Happy
🀀Hungry
48% of people reported feeling Hungry
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
πŸ’†Body High
24% of people reported feeling Body High
πŸ˜Άβ€πŸŒ«οΈSedated
21% of people reported feeling Sedated

Best For

✦ Evening
✦ relaxation
✦ reduce stress

Strain Type

Indica 80%Sativa 20%

Strain Data Sheet

🧬THC17% - 23% (High)
🌿LineageBig Bud Γ— Purple Urkle
πŸ”¬TypeFeminized Photoperiod
🌑ClimateMediterranean, Temperate
πŸ“…HarvestMid - Late October
πŸ“Height2 - 3 ft | 60 - 90 cm
βš–οΈYieldMedium - High
🏠Yield Indoor1.3 oz/ft² | 350 - 450 g/m²
🌳Yield Outdoor14 - 18 oz/plant | 400 - 500 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 the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Granddaddy Purple Feminized
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πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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Granddaddy Purple Feminized β€” Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 Γ— THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
16.6%
CBD
0.04%
Top Terpenes
Myrcene, Pinene, Caryophyllene
Test Lab
CannaQuant (CO)
2024

Granddaddy Purple Feminized β€” Real Grower Yield Reports

Yield data from US growers cultivating Granddaddy Purple Feminized feminized seeds β€” submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
Outdoor, in-ground, full sun420g
5Γ—5 tent, 730W LED, ScrOG300g

Granddaddy Purple Feminized β€” Sourcing & Genetics

Release Era
Early 2000s
Parent Genetics
Afghani Γ— Pakistani landrace cross
Lineage Notes

Granddaddy Purple Feminized was developed in the 1990s and has been continuously refined since β€” modern releases are far more stable than the original 90s phenotypes.

Recommended US Climate

Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.

Granddaddy Purple Feminized β€” Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics β€” our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.

Stabilization Level
BX3
Generations
4+
Breeding Program
Backcross Stabilization (BX3) β€” clone-to-seed restoration
Stabilization Notes β€” What This Means for Your Grow

BX3 is the credible stabilization point for a clone-only West Coast clone-only cultivar. We worked Granddaddy Purple through three backcross generations to recreate the elite cut in seed form. The mother is pollinated by a sibling male each generation to drive trait fixation.

Breeding Goal

Bring a clone-only West Coast clone-only cultivar to seed without losing the mother profile.

Selection Focus

Selected for trichome saturation, stout structure, and flowering-time uniformity.

Pollen / Mother Source

Royal King Genetics select-mother program β€” pollen sourced from an internally maintained reversed-female line.

Last Batch QC Verified
March 28, 2025Β· 99%+ germination
RK

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