💪 Auto Fat Bastard Feminised Seeds — Maximum Potency Genetics, Minimum Timeline

Auto Fat Bastard feminised seeds are the only autoflower in the catalogue pushing the upper range of what cannabis genetics are capable of — Blimburn's Goldmember × Monkey Spunk cross with Ruderalis added, running 25–34% THC on a fixed 56–70 day seed-to-harvest timeline. The feminised photoperiod version of Fat Bastard is one of the most extreme potency genetics on the market. The auto carries those same Goldmember × Monkey Spunk parents — OG Kush, Chemdawg 4, and G13 two generations back — on a timeline that requires no light flip and finishes in 8–10 weeks from seed. That combination doesn't exist anywhere else in the auto catalogue.

The practical question most growers ask: why run a 30%+ THC strain in auto format when the photoperiod exists? The answer is situation-specific. If you can't manage a 12/12 light flip — outdoor grows without light control, balcony setups, perpetual indoor cycles without separate veg and flower spaces — the photoperiod requires seasonal alignment or a controlled light environment. The auto doesn't. Plant when conditions suit, harvest 56–70 days later. For growers who want repeated fast cycles of the highest-potency genetics available rather than one large seasonal photoperiod harvest, the auto makes that possible. It's also one of the fastest autos in the catalogue — 56 days at the short end, which means 5–6 complete indoor runs annually is achievable.

What the Ruderalis cross means for THC — be clear-eyed: The breeder quotes 30–38% THC for the auto, the same range as the photoperiod. That figure represents optimal phenotypes under ideal conditions. Real-world auto grows, which have a shorter veg phase and smaller overall biomass, tend to produce somewhat below the upper breeder range. This is still exceptional potency by any standard — 25–30% in a good auto run is extraordinary — but it's worth setting expectations accurately. The auto is not identical to the photoperiod at peak expression. It's the closest thing available to that potency on a fixed timeline.

What Auto Fat Bastard does well:

• Potency class: The highest-THC auto in the catalogue — there's nothing else stocked that competes with it on raw cannabinoid strength
• Bud structure: The Goldmember × Monkey Spunk genetics produce dense, resin-loaded buds even in auto format — not the light, airy buds common with lighter auto genetics. The trichome density is exceptional
• Terpene profile: Skunky-fruit with earthy diesel and citrus — the same aromatic character as the photoperiod, present and distinctive even in the shorter growing window
• Speed: 56–70 days is fast for any auto. At the shorter end of its window, Auto Fat Bastard is one of the quickest harvests in the catalogue
• Multiple runs: 5–6 complete indoor cycles annually. For growers running perpetual setups, this means consistent access to the highest-potency genetics in the range
• Compact footprint: 60–90 cm suits small tents and discreet outdoor situations where the photoperiod's larger plant isn't practical

The outdoor yield trade-off is significant: The photoperiod Fat Bastard produces 700–900 g per plant outdoors with a full Australian summer veg. The auto produces 125–300 g per plant. That's a large gap. For outdoor growers where total yield per plant matters, the photoperiod is the clear choice. Where the auto wins outdoors is flexibility — plant multiple times per season on a fixed schedule rather than committing to one large photoperiod harvest.

💪 Auto Fat Bastard Effects & Experience

Onset (10–20 minutes): Fast and clear. A euphoric lift arrives first — mood elevates, energy rises briefly, a pleasant mental openness before the indica genetics assert themselves. The Goldmember × Monkey Spunk parentage produces an onset that hits with some purpose — this is not a gentle build.

Early phase (20–45 minutes): The cerebral euphoria is at its peak in this window. Creative and social, still functional, with the physical relaxation just beginning to layer underneath. At moderate doses and in the early phase this strain is more versatile than its extreme potency reputation suggests — the balanced 50/50 genetics mean the sativa uplift is genuine before the indica body effect takes over.

Mid-phase (45–90 minutes): Indica dominance establishes itself. Body relaxation deepens progressively. Muscle tension releases, physical ease arrives, the motivation for active tasks decreases. The caryophyllene-dominant terpene profile amplifies the physical effect — caryophyllene has CB2 receptor activity that adds genuine body relaxation beyond what the THC alone produces.

Late-phase (90–150+ minutes): Full body sedation at typical doses. Sleep follows naturally for most users. At the potency levels Auto Fat Bastard produces, the late phase is pronounced. This is not an evening wind-down strain — it's an end-of-night strain. Plan accordingly.

Duration: 3–5 hours at typical doses. Longer than most autos at equivalent THC due to the depth of the genetics. The myrcene-dominant terpene profile extends and deepens the body relaxation phase.

Potency consideration: At 25–34% real-world THC, Auto Fat Bastard is in a different category to most of the auto catalogue. This is not a strain for new cannabis users or for anyone who finds high-THC indicas difficult to manage. Experienced users with established tolerance will find the effect powerful and extended. For everyone else: start with significantly less than you think you need and wait the full onset window before reassessing.

Flavour profile: Sweet fruit and skunk on the inhale — the same sour-fruit skunky character as the photoperiod, with earthy diesel and citrus notes following. The caryophyllene and humulene give the exhale a peppery spice quality. With a proper flush and 4-week cure the full terpene complexity develops. Don't assess this strain on fresh-dried material.

Common uses (anecdotal): Serious insomnia, chronic pain management, stress and anxiety relief, end-of-day relaxation, appetite stimulation. The same therapeutic applications as the photoperiod but on a more accessible and repeatable timeline for growers who need consistent access to high-potency medicine.

🌱 Growing Auto Fat Bastard Feminised Seeds — Complete Guide

(The following is provided for ACT licence holders and growers in legal jurisdictions overseas.)

Experience level required: Intermediate. Auto Fat Bastard is more robust than the photoperiod parent — the Ruderalis cross adds genuine resilience — but the fixed timeline still means early mistakes carry through to harvest without recovery. The main considerations are the same as all autos: start in the final container, feed light early, LST to manage the bushy dense structure. The dense bud architecture also requires airflow management from mid-flower to prevent moisture buildup.

Critical auto rules — before germination:

• Start in the final container. Germinate directly into the pot the plant will finish in — 10–15 L indoors, 15–20 L outdoors. No transplanting
• Feed light in weeks 1–3. Start at 1/4 strength. The genetics are more robust than many autos but overfeeding in the seedling phase still costs development time
• LST from week 2–3. The naturally bushy structure benefits from canopy opening — more productive bud sites to expose and better airflow through what will become a very dense mid-flower canopy
• Airflow planning. The dense Goldmember × Monkey Spunk bud structure traps humidity. Plan fans and extraction before you start

Flowering: Auto Fat Bastard initiates flowering at 3–4 weeks from germination regardless of light cycle. Seed to harvest runs 56–70 days — one of the faster timelines in the catalogue. Check trichomes from week 7. For maximum potency and the full body sedation the genetics are capable of, harvest at 25–30% amber. The caryophyllene-dominant profile at full maturity is what makes this strain what it is — don't harvest early.

Height and structure: Compact and bushy at 60–90 cm — the indica dominance in the Fat Bastard genetics keeps the auto tight. Dense lateral branching with multiple productive bud sites. LST from week 2–3 opens the canopy meaningfully. The compact structure makes it practical for small tents but the bud density in late flower creates genuine airflow requirements.

Training:

LST (Low-Stress Training): Recommended. The bushy structure responds well — tie down the main stem and lateral branches from week 2–3 to open the canopy and expose lower bud sites. More productive bud sites to expose with Fat Bastard genetics than with single-cola auto varieties.

SOG (Sea of Green): Effective given the compact, fast-cycling structure. Multiple smaller plants in a SOG setup maximises indoor yield per cycle.

Topping: Not recommended. The fixed timeline doesn't allow the recovery time topping requires.

Defoliation: Light only in early flower — remove leaves directly blocking bud sites. The dense structure needs airflow but stripping the canopy during the fixed timeline costs yield.

Feeding strategy:

Seedling (days 1–14):

• Plain water or 1/4 strength maximum
• The genetics are more robust than most auto varieties but the seedling phase still requires restraint

Early veg / pre-flower (days 14–28):

• Build to 1/2 strength by week 3
• EC range: 0.8–1.2
• The Goldmember × Monkey Spunk genetics are more nutrient-tolerant than pure sativa-derived autos — you can build feeding faster than with more sensitive strains

Flower (days 28–60):

• Transition to bloom nutrients — reduce nitrogen, build phosphorus and potassium
• EC range: 1.4–1.8 — Fat Bastard genetics handle higher EC in flower than most autos
• Potassium support from week 4 onwards is critical — the resin density and trichome production that define this strain's potency is supported by adequate potassium through flower
• Back off nitrogen from week 5

Final flush (last 7–10 days):

• Plain pH-adjusted water only
• A proper flush improves the skunky-fruit terpene expression significantly — the flavour distinction between flushed and unflushed Fat Bastard is noticeable

Climate:

Temperature:

• 21–27°C through veg and early flower
• Keep below 27°C in mid-to-late flower — terpene quality suffers at higher temperatures
• Cool nights (18–20°C) in the final two weeks improve terpene expression

Humidity:

• Seedling: 60–70% RH
• Veg: 50–60% RH
• Flower: 40–50% RH, dropping to 40–45% in late flower
• The dense Fat Bastard bud structure is vulnerable to moisture buildup — strict humidity management from week 4 and continuous airflow are non-negotiable

Light:

• 18/6 recommended indoor — flowers on any schedule
• 20/4 marginally better for yield given the dense bud structure benefits from maximum light hours
• PPFD: 400–500 µmol/m²/s early, 700–900 µmol/m²/s in flower — Fat Bastard genetics handle higher light intensity than many autos
• Outdoors: full sun, 6+ hours direct light minimum

Common issues:

Bud density and airflow: The most critical management point specific to this strain. The Goldmember × Monkey Spunk genetics produce an unusually dense bud structure for an auto. In still air above 50% RH in flower, the inner bud sites are vulnerable to moisture issues. Oscillating fans running continuously from week 4, humidity below 50% from mid-flower, and light defoliation of the inner canopy at pre-flower are the three actions that prevent the most common Auto Fat Bastard grow failure.

Harvest timing: One of the few strains where early harvest genuinely leaves significant potency on the table. The caryophyllene-dominant profile and the extreme potency genetics of Goldmember × Monkey Spunk develop fully in the final week. Check trichomes from week 7 but plan for day 60–70 as the realistic harvest target. Harvest at 25–30% amber.

Overfeeding early: The genetics are more robust than lighter autos but the fixed timeline still penalises seedling-phase feeding mistakes. Start at 1/4 strength for weeks 1–2.

Rushing the cure: At the potency levels Auto Fat Bastard produces, the difference between a 2-week and a 6-week cure in the jar is significant — both in terpene expression and in effect smoothness. Don't rush it.

🏠 Indoor Growing (Australia)

• Seed to harvest: 56–70 days fixed — no light flip required
• Yield: Up to 500 g/m² under good lighting with LST
• Container: Start and finish in 10–15 L — no transplanting
• Light schedule: 18/6 recommended — flowers on any schedule. 20/4 marginally better
• Height: 60–90 cm — compact and bushy. Suits tents from 60 cm × 60 cm upward
• Training: LST from week 2–3. SOG is effective for maximising yield per square metre
• Airflow: Critical — the dense bud structure requires continuous fan movement from week 4 and humidity below 50%
• Cycles per year: 5–6 complete indoor runs annually at the 56–70 day timeline
• Harvest target: 25–30% amber — don't cut early, the potency develops in the final week

🌿 Outdoor Growing (Southern Hemisphere / Australia)

• Harvest timing: ~56–70 days from planting — not season-dependent. Plant September through March for warm-weather runs
• Yield: 125–300 g per plant — this is significantly lower than the photoperiod's 700–900 g. For maximum outdoor yield per plant, the photoperiod is the right choice
• Container: 15–20 L minimum — start in the final pot, no transplanting
• Site: Full sun, 6+ hours direct light, good drainage, strong airflow around the plant
• Multiple runs: Three outdoor runs per season achievable — the 56–70 day timeline allows September, December, and February plantings in most states
• Climate suitability: The balanced hybrid genetics and Ruderalis resilience handle Australian conditions well. Warm, drier climates suit the dense bud structure. Coastal Queensland and NSW require careful humidity and airflow management from week 4 of flower
• Weather planning: The fixed timeline allows precise planning around seasonal conditions — a January planting targets a late-March harvest before autumn rains. A September planting harvests in November before summer heat peaks in most states

🗓️ Auto Fat Bastard Week-by-Week Grow Guide

Auto Fat Bastard runs 56–70 days — one of the fastest timelines in the catalogue. The key management challenge is the dense bud structure in late flower. Setup before germination matters more than reactive problem-solving during the grow.

🔍 Auto Fat Bastard — Common Myths vs Reality

💪 Auto Fat Bastard vs Fat Bastard Feminised — Which One?

Choose the auto for multiple fast cycles, compact grows, or outdoor flexibility without light management. Choose the Fat Bastard Feminised for maximum potency expression, outdoor yield up to 900 g per plant, and full control over veg time.

💪 Is Auto Fat Bastard Right for Your Grow?

❓ Frequently Asked Questions — Auto Fat Bastard Feminised Seeds

💪 What is Auto Fat Bastard?

Auto Fat Bastard feminised seeds are Blimburn Seeds' autoflowering version of their Goldmember × Monkey Spunk cross — one of the highest-THC genetics available — with Ruderalis added to produce a strain that flowers automatically at 3–4 weeks from germination regardless of light cycle. Seed to harvest runs approximately 56–70 days on a fixed timeline. The genetics carry OG Kush, Chemdawg 4, and G13 two generations back through the Goldmember and Monkey Spunk parentage, making this the most potent auto in the catalogue by THC.

🔥 Does Auto Fat Bastard really produce 38% THC?

38% is the upper end of Blimburn's breeder-quoted range under optimal phenotypes and ideal conditions — the same figure quoted for the photoperiod. Auto grows have a shorter veg phase and less time to complete the full resin cycle than the photoperiod, so real-world auto results tend to fall somewhat below the upper breeder range. A well-grown Auto Fat Bastard producing 25–30% THC is exceptional and more than sufficient for serious therapeutic or recreational use. Setting a 38% expectation leads to disappointment — plan around 25–30% as your realistic target.

⏱ How long does Auto Fat Bastard take from seed to harvest?

56–70 days (8–10 weeks) from germination — one of the faster timelines in the auto catalogue. Most plants hit the harvest window between day 60 and day 70. Check trichomes from day 49 but plan for day 65–70 as the realistic harvest target. Harvest at 25–30% amber — the full potency and terpene expression develop in the final week and harvesting early leaves significant quality on the table.

🌱 Is Auto Fat Bastard easy to grow?

Intermediate — more robust than most autos due to the stable Goldmember × Monkey Spunk genetics, but not beginner-friendly because the dense bud structure in late flower requires active airflow management. The critical practice is: oscillating fans covering the inner canopy continuously from week 4, humidity below 50% from mid-flower, and light defoliation at pre-flower to open the canopy. Outside of airflow management, the standard auto rules apply — final container from day one, no transplanting, light feeding in weeks 1–3.

🌾 What's the outdoor yield difference from the photoperiod?

Significant. The photoperiod produces 700–900 g per plant with a full Australian summer veg. The auto produces 125–300 g per plant. For growers where total outdoor yield per plant is the priority, the Fat Bastard Feminised photoperiod is the clear choice. The auto's outdoor advantage is timing flexibility — plant three times per season rather than committing to one large photoperiod harvest.

🪴 Can I transplant Auto Fat Bastard?

No. Germinate directly into the final container — 10–15 L indoors, 15–20 L outdoors. The stress of transplanting during the fixed auto timeline costs more development time than the plant can recover from. Plan the container before the seed goes in.

🌬️ Why is airflow so important with this strain?

The Goldmember × Monkey Spunk genetics produce unusually dense bud structure for an auto — similar in density to a compact photoperiod indica. That density in still air above 50% RH in weeks 6–8 creates conditions where inner bud sites are vulnerable. Continuous airflow from oscillating fans covering the inner canopy, not just perimeter extraction, is the specific practice that prevents the most common Auto Fat Bastard late-harvest failure. Most growers who have problems with this strain in late flower trace it back to inadequate inner canopy airflow.

🌤 Can I grow Auto Fat Bastard outdoors year-round in Australia?

September through March in most states — the warm-weather window. The balanced hybrid genetics and Ruderalis resilience handle a range of conditions well but the dense bud structure needs warm dry weather in flower. Cold winter temperatures and sustained humidity increase risk during the flowering phase. Queensland and Northern NSW can extend the season somewhat. Three outdoor runs per season are achievable in most states with September, December, and February plantings.

⏰ What trichome stage should I harvest at?

25–30% amber for the full Fat Bastard potency and deep body effect. The caryophyllene-dominant terpene profile and resin density peak in the final week of the growing window — harvesting at mostly cloudy trichomes misses the genetics' full potential. Check from day 49 but don't rush to harvest. The difference between day 60 and day 68 with this strain is noticeable in both potency and effect quality.