Mad Scientist cannabis seeds packaging, Royal King Seeds USA
Indica
THC 23%
πŸŒ™ Sleep Aid
IndicaFeminizedIn Stock

Mad Scientist Feminized

Feminized PhotoperiodLab Profile Available β†’

Potent feminized indica with relaxed and sleepy effects and short stocky growth and heavy trichomes. Ideal for intermediate growers seeking potency and reliable yields.

β—‰Flavor:Earthy pine, sweet berry, subtle hash

Best for:πŸŒ™EveningπŸ›‹οΈRelaxation😴Sleep Support
Intermediate Grower
🧬
THC
23%
⏱
Flower
7 – 9 weeks (typical)
βš–οΈ
Yield
High
🎯
Difficulty
Intermediate
πŸ“
Height
Short
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Keep humidity below 50% during the last 3 weeks of flower

Select Pack Size
$14.49USD

Premium stabilized genetics Β· germination guaranteed

βœ“Produces high yields with proper training and spacing
βœ“Brings pronounced relaxed effects tailored for evening
βœ“Stabilized indica genetics delivering predictable results

Ready to grow this strain?

1
β˜…Well-suited to US home cultivation
🎁

Free Seeds With Every Order

Spend $30+
1 Free
Spend $75+
5 Free
Best
Spend $200+
15 Free

Choose your free strains, no mystery seeds. Learn more

πŸ‡ΊπŸ‡ΈFree Shipping
🌱Germination Guarantee
πŸ”’Discreet Packaging
Popular strain, limited batches available
⭐Stabilized genetics from established breeders

About Mad Scientist Feminized

In a market saturated with indica genetics at the 23% THC range, Mad Scientist distinguishes itself through its myrcene/caryophyllene terpene combination and its reliable density without the mold susceptibility that plagues many dense-budding indicas. Compared to similar genetics in our catalog, Mad Scientist trades raw potency for terpene complexity, which makes the flower more interesting to experienced users who have moved past judging quality by THC percentage alone.

How It Grows Compared to Similar Genetics

In the grow room, Mad Scientist handles like a typical indica, compact, efficient with space, and finishes on time. But where it diverges from other indicas in this THC range: the bud structure is slightly less rock-hard than genetics like Bubba Kush or Hindu Kush, which actually benefits growers in humid environments because the marginal airflow through the flower reduces mold risk.

Flowering: 9-11 weeks. Yield: 400-500g/mΒ² indoor / 350-500g/plant outdoor. Height: Compact (2-3 ft). Difficulty: intermediate. Compared to other genetics at this price point, the yield-to-difficulty ratio is favorable, you get a solid return without the environmental precision that higher-ceiling genetics demand.

Effects and Use

At 23% THC, Mad Scientist delivers relaxed, sleepy, happy effects with a myrcene-influenced character. The onset is body-first, 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 myrcene dominance adds depth and sedative potential, especially at higher doses.

Terpene Profile

Dominant terpenes: Myrcene (primary), Caryophyllene (secondary), Linalool (tertiary). This combination produces an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385Β°F) and combustion, though lower temperatures preserve the caryophyllene top notes that combustion destroys.

Who Should Grow Mad Scientist

Best suited for growers who want control over their plant size and harvest timing, 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
😊Happy
58% of people reported feeling Happy
🀀Hungry
54% of people reported feeling Hungry
πŸ€—Euphoric
47% of people reported feeling Euphoric
🧘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
✦ Sleep Support

Strain Type

Indica 86%Sativa 14%

Strain Data Sheet

🧬THC23% - 27% (High)
🌿LineageHerijuana Γ— White Widow
πŸ”¬TypeFeminized Indica
🌑ClimateCool–temperate / continental
πŸ“…HarvestLate September – October, N. hemisphere (typical)
πŸ“Height90 – 120 cm (typical)
βš–οΈYieldHigh
🏠Yield Indoor550 g/m2
🌳Yield Outdoor400 – 600 g/plant (typical)
⏱Flowering Time7 – 9 weeks (typical)

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium US 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.
1
Mad Scientist Feminized
royalkingseeds.us
IG
FB
X
πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

Related Strains

Sour Tsunami cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 7%
🎨 Creative

Sour Tsunami Feminized

HappyRelaxedUplifted
$11.49USD
Enemy of the State cannabis seeds packaging, Royal King Seeds USA
Indica
THC 18%
🎨 Creative

Enemy of the State Feminized

EuphoricCreativeCalm
$15.49USD
Alien Reunion cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 18%
🎨 Creative

Alien Reunion Feminized

CreativeCalm
$12.49USD
Strawberry Gary cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 27%
⚑ High Potency

Strawberry Gary Feminized

RelaxedFocusedEnergetic
$12.49USD

Mad Scientist Strain Review

Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Mad Scientist strain review.

Read the Strain Review

Mad Scientist Feminized, Cannabinoid & Terpene Reference

Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 Γ— THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
22.6%
CBD
0.12%
Top Terpenes
Myrcene, Caryophyllene, Linalool

Mad Scientist Feminized, Aggregated Grower Yield Reports

Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Mad Scientist Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.

SetupYield
3Γ—3 tent, 400W LED, single-cola520g
Outdoor, 25-gal fabric pot, full sun639g

Mad Scientist Feminized, Sourcing & Genetics

Release Era
Modern stabilized line
Parent Genetics
Herijuana Γ— White Widow
Lineage Notes

Mad Scientist (aka Mad S) is an indica-dominant strain from Sannie's Seeds that combines Herijuana and White Widow genetics, per Leafly.

Recommended US Climate

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

Mad Scientist Feminized, Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.

Stabilization Level
F4
Generations
4+
Breeding Program
Royal King Genetics Filial Program, four-generation pheno fixing
Stabilization Notes, What This Means for Your Grow

A modern hybrid cross stabilized over four generations of selection. Mad Scientist grows true-to-type with the compact internode spacing that defines the cultivar.

Breeding Goal

Take Mad Scientist from F1 cross to F4 production-ready seed stock.

Selection Focus

Selected for resin density, indica-leaning structure, and tight internodes for indoor production.

Pollen / Mother Source

Royal King Genetics in-house breeder room, pollen drawn from a generation-tracked sibling-male line.

Germination Guarantee
95% germination, free replacements if seeds fail
RK

Royal King Seeds Budtender

Strain expert & grow advisor

🌱

How can I help?

I can recommend strains, give growing tips, compare products, and add items to your cart.

Budtender can recommend strains, compare products & add to cart