How to grow Keepers OG Autoflower
- Breeder: Herbies
- Genetics: Mostly Indica
- THC: up to 32%
- Type: Autoflower
- Difficulty: easy
- Seed to harvest: about 8 to 10 weeks
- Flavors: pine, berry, earthy, sweet
Keepers OG (Blue Moonrock x Blackberry Kush x Ruderalis) is an Indica-dominant autoflower at 28-33% THC with creative, focused uplift fading into a soothing body buzz.
What is specific about Keepers OG Autoflower
- Autoflower, avoid transplanting and heavy training; it can't recover lost veg time, so stress sets it back.
- Growers rate this beginner-friendly, forgiving of small mistakes.
- Very high THC, nutrient-hungry in flower; ramp feeding gradually and watch for tip burn.
Indoor calendar for Keepers OG Autoflower
| Stage | When | Note |
|---|---|---|
| Germination | week 1 | Seed in its final pot; autoflowers dislike transplanting. |
| Seedling and growth | weeks 2 to 4 | Light on 18 hours a day for the whole grow; no switch to 12/12 needed. |
| Flowering | from about week 4 to week 10 | Flowering starts by age, not by light. |
| Harvest | week 8 to 10 | Judge by trichomes, not the calendar. |
| Dry and cure | weeks 9 to 14 | One to two weeks drying, then at least two weeks curing in jars. |
About 11 to 14 weeks from seed to cured buds.
Week by week
Germination: Days 1–7
Pop the seed.
- Soak in a moist paper towel or plant 1cm deep in light, airy soil.
- Keep warm (22–25°C), humid and dark until the sprout appears.
- Moist, never soggy.
Seedling: Weeks 2–3
First true leaves.
- Gentle light on 18/6, high humidity (~65%).
- Tiny waterings near the stem; let the top dry between.
- Quarter-strength nutrients at most.
Vegetative: Weeks 4–6 (auto)
Build the plant.
- Autoflowers veg briefly then flower on their own, start in the final pot, don't transplant late.
- Feed grow (high-N) nutrients; train (LST/topping) for an even canopy.
- Indica-leaning: bushier/compact, keep airflow between colas.
Flowering: ~5–6 weeks of bloom
Buds bulk up.
- Stays on 18/6 to harvest.
- Switch to bloom (high-P/K) nutrients; lower humidity (~45%) to prevent bud rot.
- Watch trichomes: mostly cloudy with some amber = peak ripeness.
Flush & harvest: Final 1–2 weeks
Finish clean.
- Plain water (no nutrients) the last 1–2 weeks for a smoother smoke.
- Harvest, wet-trim, dry slowly (~60°F / 60% RH, 7–14 days).
- Cure in jars 2+ weeks, burping daily at first.
~9–10 weeks seed to harvest.
Growing Keepers OG Autoflower outdoors
Sown outdoors in mid May, after the last frost, Keepers OG Autoflower should be ready in early to late July. That leaves time for a second run: a seed sown by early July finishes around late August to mid September.
Drying and curing
Its pine and berry notes come from the most volatile terpenes, the first to go in a warm, fast dry. Dry slowly around 18 °C and 60% humidity for 10 to 14 days and cure in jars to keep them.
How Keepers OG Autoflower compares
At 8 to 10 weeks it finishes faster than 80% of the 72 autoflowers in our guides (typical: 10.5 weeks).
Its THC, up to 32%, is above the typical 20% for these autoflowers.
Bred by Herbies, one of 50 Herbies strains with a grow guide here.
| Similar strain | Seed to harvest | THC | Breeder |
|---|---|---|---|
| Banana Blaze | 8 to 10 weeks | 15% | Dutch Passion |
| Lemon Jack Autoflower | 9 weeks | 19% | Herbies |
| CBD Auto White Widow | 9 to 10 weeks | 10% | Dutch Passion |
| Grandmommy Purple Auto | 9 to 10 weeks | 25% | Herbies |
Effects
relaxing, euphoric, focus
Grower verdict: 8 reviews, average 5/5.
Questions
Is Keepers OG Autoflower easy to grow?
Keepers OG Autoflower is considered easy to grow and flowers automatically without a light schedule change. This read draws on 8 grower reviews.
When is Keepers OG Autoflower ready outdoors?
Sown outdoors in mid May, after the last frost, Keepers OG Autoflower should be ready in early to late July. That leaves time for a second run: a seed sown by early July finishes around late August to mid September.
How strong is Keepers OG Autoflower?
The breeder lists up to 32% THC. Real results depend on light, feeding and harvest timing.
Does Keepers OG Autoflower need a light change to flower?
No. Keepers OG Autoflower is an autoflower: it flowers by age and goes from seed to harvest in about 8 to 10 weeks on 18 hours of light a day.
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