Amherst Diesel cannabis seeds packaging — Royal King Seeds Canada
SativaAuto
THC 27%%
Fast Grow
SativaFeminizedAutoflowerIn Stock

Amherst Diesel Autoflower

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High-potency sativa autoflower with creative and energetic effects and tall energetic structure. Ideal for beginner growers seeking a low-maintenance harvest.

Flavor:Grapefruit, lime, floral pine

Best for:🌤️DepressionFatigueCreativity
Beginner Friendly
🧬
THC
27%
Flower
8 - 10 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Beginner
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: LST bends work better than topping on autos — gentler on recovery

Select Pack Size
$13.99CAD

Premium stabilized genetics · germination guaranteed

Delivers medium-high harvests under balanced light and nutrients
Blends creative and energetic sensations — perfect for depression
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 2026-02-16 on 375 seeds.

Germination rate: 97.1% (n=375)
Last QC test date: 2026-02-16
Indoor yield: 419-540 g/m² (avg across 7 verified grower reports)
Outdoor yield: 589-912 g/plant (avg across 10 verified grower reports)

About Amherst Diesel Autoflower

If you want daytime motivation in a quick-turnaround package, Amherst Diesel Autoflower seeds are the answer. The sativa-dominant genetics deliver sharp focus and creative energy, while the autoflowering trait keeps the timeline short.

Growing Amherst Diesel Autoflower in Canada

Amherst Diesel Autoflower performs well in indoor tents, spare rooms, and short-season outdoor plots across Canada. The autoflowering genetics remove the need for light-cycle changes, making this strain approachable for first-time growers and convenient for experienced cultivators running perpetual harvests. Plants stay compact — typically 60-100 cm — and respond well to light training techniques like LST. Feed conservatively, as autoflowers prefer lighter nutrient schedules than their photoperiod counterparts.

Indoor growers can expect harvest-ready plants within 9-11 weeks from germination. Outdoor Canadian growers can start seeds as early as May and harvest before the first frost, making Amherst Diesel Autoflower a practical choice from British Columbia to Ontario and beyond.

Effects & Experience

With 88% sativa genetics, Amherst Diesel Autoflower leans toward cerebral stimulation and creative energy. The high is uplifting and clear, making it well-suited for daytime activities, social gatherings, and focus-driven tasks.

Why Grow Amherst Diesel Autoflower?

For Canadian growers who want quality Amherst Diesel genetics without the complexity of photoperiod growing, Amherst Diesel Autoflower delivers. Fast turnaround, compact plant size, and reliable results make this one of the most practical autoflowering options in our catalogue.

Effects

🤩Creative
77% of people reported feeling Creative
🤑Energetic
64% of people reported feeling Energetic
🧘Calm
60% of people reported feeling Calm
😊Happy
51% of people reported feeling Happy
😎Uplifted
45% of people reported feeling Uplifted
🤗Euphoric
40% of people reported feeling Euphoric
🧠Focused
35% of people reported feeling Focused
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Best For

Depression
Fatigue
Creativity

Strain Type

Indica 12%Sativa 88%

Strain Data Sheet

🧬THC27% - 30% (Very High)
🌿LineageSuper Lemon Haze × Durban Poison
🔬TypeAutoflower Sativa
🌡ClimateAll Climates (Adaptable)
📅Harvest8 - 10 weeks from seed
📏Height2.4 - 4.1 ft | 72 - 124 cm
⚖️YieldMedium - High
🏠Yield Indoor12.4 oz/ft² | 352 - 454 g/m²
🌳Yield Outdoor4 - 11 oz/plant | 122 - 324 g/plant
Flowering Time8 - 10 weeks (seed to harvest)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
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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Amherst Diesel Autoflower
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Amherst Diesel Autoflower— 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
F5
Generations Worked
5+
Breeding Program
Autoflower Stabilization (F5) — ruderalis trait fixing
Stabilization Notes — What This Means for Your Grow

Autoflowering genetics need multi-generation fixing because the ruderalis-derived auto trait is recessive. Amherst Diesel sits at F5 — every plant in the pack autoflowers reliably and finishes inside a tight window.

Breeding Goal

Pull auto trigger and finish-window uniformity across the Amherst Diesel pack.

Selection Focus

Picked for sativa vigor, bud-to-leaf ratio, and the distinctive terpene signature of the original cut.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen sourced from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
April 2, 2025· 99%+ germination
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