Do-Si-Dos Feminised Seeds – The Frost Assassin
If you’re looking to buy Do-Si-Dos seeds in Australia, you’re chasing heritage, not hype. This OG Kush Breath × Face Off OG powerhouse is built for elite resin density, disciplined structure, and a finish that demands proper climate control.
Do-Si-Dos isn’t here to be cute. She’s sweet mint and cookie dough on the nose — diesel and authority on the finish.
Matty: “She looks like dessert but hits like discipline — frost for days, attitude for miles.”
Quick Stats
Do-Si-Dos is a ~70/30 indica-leaning hybrid known for heavy resin, dense structure, and a late quality surge if you let her finish properly. Indoor flowering typically runs 8–10 weeks, with Australian outdoor harvests landing late March to mid-April.
Indoor yields commonly reach ~450–600 g/m² when canopy control and climate are dialled. Potency is pheno-dependent, but strong runs often test in the mid–high 20% THC range.
Matty’s tip: “The quality spikes late — hold your nerve in weeks 8–9.”
The Legend
Do-Si-Dos helped define the modern frost era. Built from OG Kush Breath and Face Off OG, she delivered the density, punch, and terp complexity that pushed resin-heavy flower into the spotlight.
Matty: “First time under the scope, I swore the trichomes had trichomes.”
Flavour & Aroma
On the nose: cool mint layered over sweet dough and diesel fuel.
On the tongue: creamy cookie inhale, lime zest mid-note, pepper-diesel finish.
Aftertaste: mint hash with lingering sweetness.
Common terp drivers include limonene, caryophyllene, and humulene.
Matty: “Like a high-end bakery got sideswiped by a fuel tanker — and somehow it works.”
Effects & What to Expect
First wave → euphoric lift with alert clarity.
Then it settles → behind-the-eyes calm and steady body presence.
Final vibe → deep relaxation best suited for evenings.
How I Grow It (Matty’s Way)
Skill level: Advanced — stable climate and humidity discipline required.
- Training: SCROG recommended, LST early, minimal stress after week 3 of flower.
- Stretch factor: ~1.5×–1.8× after flip.
- Feeding: Moderate nitrogen in veg; increase P/K mid-flower.
- Bloom EC: 1.6–2.0.
- pH targets: Hydro/Coco 5.8–6.0 · Soil 6.3–6.8.
- Environment: Day 22–24°C · Night 16–18°C · RH ≤40% in late flower.
Red flag: Push temps above 26°C and you’ll soften terpene expression. Ignore RH and dense buds can trap moisture.
Grow Log – Elite Room Notes
| Phase | What Should Be Happening | What To Watch | Matty’s Correction Cue |
|---|---|---|---|
| Weeks 1–3 Veg | Broad lateral growth, tight node spacing, thickening mains. | Stretch multiplier building. | If stretch exceeds 2× early, reduce nitrogen slightly and stabilise VPD ~1.2 kPa. |
| Weeks 4–6 Flower | Pistil stacking accelerates. Resin rails begin forming. | Buds should feel firm, not airy. | If nodes look loose, drop RH ≤40% and increase canopy airflow. |
| Weeks 7–8 Frost Surge | Major trichome production window. Calyx swelling increases. | Runoff EC delta should stay +0.3–0.7. | If runoff EC hits +0.8+, leach and reset before quality drops. |
| Weeks 8–9 Finish | Resin heads enlarge. Aroma intensifies sharply. | Pistils darken steadily. | If aroma dulls, check root temp (18–20°C) and EC balance. |
| Harvest | Cloudy trichomes dominate. | Bud density heavy relative to size. | Harvest by trichomes, not calendar. |
Matty’s Advanced Notes (Foreman Tier)
- Runoff EC delta: Maintain +0.3–0.7 over input.
- Red flag threshold: +0.8 or higher = oversalting. Reset feed.
- Root zone temp: 18–20°C ideal.
- Light intensity: PPFD 850–1000 peak bloom.
- DLI: 50–60.
- CO₂ (optional): 1100–1300 ppm weeks 5–8.
- Late flower humidity: ≤40% with visible inner-canopy airflow.
- Frost surge window: Weeks 6–8 under stable EC and cool nights.
Matty’s rule: “If runoff EC climbs fast, fix the roots before blaming the lights.”
Mythbusting
- Myth: Just another Cookie cut.
Matty: OGKB gives her thicker frost and heavier structure than most Cookie hybrids. - Myth: All phenos turn purple.
Matty: Only some cold-night phenos. Frost doesn’t depend on colour. - Myth: She’s easy indoors.
Matty: She’s a microclimate diva — stable RH is mandatory.
Who It’s For
- Growers who live for resin close-ups.
- Rooms with strong airflow and tight humidity control.
- Evening-session enthusiasts.
Not ideal if you dislike heavy trimming or run loose climate control.
Final Verdict
Do-Si-Dos is modern frost discipline. If Gelato is glamour, Do-Si-Dos is authority — dense, terp-rich, and built for growers who respect structure.
Matty: “She’s the cookie that bites back — tame her, and you’ve earned your stripes.”
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Thank you paid for my seeds on Thursday received them the following Tuesday 5 days how quick is that can’t wait to plant them
Amnesia Haze…these girls are growing super strong.
Popped straight out of the soil, week 4 since sprouting and they are impressive. Best growth I’ve seen from a Haze in years.
Amazing customer service an amazing strike rate, I’ll be back for more 100 %.
Legit seed bank! Matty an the crew run a tight ship an clearly know whats up!
Had an initial issue ordering however after a quick call to my bank they sorted the payment through an my beans arrived in less than a week.
More than happy with the service and products, will happily be a repeat customer!
order arrived quickly and communication was clear and concise. Seeds look good and happy with purchase. Will use again. Thank you
Perfect 👍 all 5 have popped…. placed a nother order
With confidence…