Berry Bomb Auto
Cannabis seeds
by Bomb Seeds
Berry Bomb Auto Cannabis Seeds by Bomb Seeds
Berry Bomb Auto is an autoflowering feminised cannabis seed that delivers sweet blueberry flavour and balanced effects in just 10 weeks from germination to harvest. Bomb Seeds created this strain by crossing their Berry Bomb — itself a female Blueberry x male Bomb #1 hybrid — with Ruderalis genetics, producing a compact, fast-finishing plant that keeps the flavour and potency of the original photoperiod version. With 15–20% THC and strong mould resistance, this is the seed you grab when you want proper results without a complicated grow schedule.
Pack Size
Berry Bomb Auto is available in packs of 5 feminised seeds. Every seed is female — no males to cull, no wasted pots.
| Specification | Detail |
|---|---|
| Seed Bank | Bomb Seeds |
| Genetics | Blueberry (female) x Bomb #1 (male) x Ruderalis |
| Type | Autoflowering Feminised |
| Indica / Sativa | Balanced (Indica-leaning structure, balanced effects) |
| THC | 15–20% |
| Seed to Harvest | Approximately 70 days (10 weeks) |
| Indoor Height | 70–120 cm |
| Indoor Yield | 300–350 g/m² |
| Outdoor Harvest Window | May through October (multiple harvests possible) |
| Mould Resistance | High |
| Cold Tolerance | Good — handles lower temperatures |
| Flavour Profile | Sweet berry, blueberry, blackberry with herbal undertones |
| Seeds per Pack | 5 |
Running Berry Bomb Auto indoors? Pair her with a ScrOG net to spread that canopy and make the most of her 300–350 g/m² potential. If you're growing outdoors in a cooler climate, a propagation kit gives seedlings a warm start before they go outside. Browse our grow supplies for ventilation, lighting, and soil amendments that match this strain's compact, fast-finishing style.
Why Berry Bomb Auto Seeds Deserve a Spot in Your Grow
Seventy days. That's all Berry Bomb Auto asks for — from the moment the taproot cracks the shell to the day you're trimming sticky, blueberry-scented buds. Most photoperiod strains haven't even started flowering by then. Bomb Seeds managed to fold Ruderalis into the Berry Bomb gene pool without gutting the things that made the original worth growing: flavour, resin production, and a THC range of 15–20% that actually delivers.
We'd pick Berry Bomb Auto over most autoflowers in the same price bracket for one reason: she doesn't taste like an autoflower. A lot of Ruderalis crosses trade flavour for speed, and you end up with fast buds that taste like hay. Not this one. The Blueberry mother comes through loud and clear — sweet berry on the inhale, with those darker blackberry and herbal notes underneath. When you crack a cured jar, the room smells like a punnet of berries left in the sun. That's the test of a good cross: the terps survive the breeding.
The honest limitation? Yield. At 300–350 g/m² indoors, she's a solid autoflower producer, but she won't compete with a photoperiod Berry Bomb given a proper veg cycle and a 600W light. If maximum weight per square metre is your priority, look at Big Bomb or THC Bomb from the same Bomb Seeds catalogue. But if you want two or even three harvests in a single outdoor season — May through October — Berry Bomb Auto's speed makes up the difference in total annual weight.
Growing Berry Bomb Auto Seeds — What to Expect
Berry Bomb Auto is one of the more forgiving autoflowers we've seen, which makes her a strong first grow for anyone who hasn't dealt with living plants before. High mould resistance and the ability to handle cooler temperatures mean you don't need a climate-controlled room to get results. That said, she still responds to good practice.
- Germinate your Berry Bomb Auto seeds using the paper towel method or directly in a moist jiffy pellet. Taproots typically emerge within 24–72 hours at 22–25°C.
- Transplant seedlings into their final container early — autoflowers don't like root disturbance. A 10–15 litre fabric pot with well-aerated soil is the sweet spot for indoor grows.
- Keep lighting on an 18/6 or 20/4 schedule from start to finish. Unlike photoperiod strains, Berry Bomb Auto flowers based on age, not light cycle changes.
- Feed lightly during the first two weeks, then ramp up with a balanced grow nutrient. Switch to bloom nutrients when you see the first pistils — usually around day 21–28.
- If growing indoors, set up a ScrOG net at canopy height. Berry Bomb Auto stays compact (70–120 cm), but spreading the branches exposes more bud sites to light and helps reach that 300–350 g/m² ceiling.
- Watch for purple and blue hues developing on the leaves and calyxes during late flowering — this is normal for the Blueberry genetics, especially if nighttime temperatures dip below 18°C.
- In the final two weeks, resin production ramps up dramatically. The buds visibly coat themselves in trichomes. This is the stage where patience pays off — don't chop early.
- Harvest around day 70 when trichomes show a mix of milky and amber under a jeweller's loupe. Dry slowly in a dark room at 18–20°C and 55–60% humidity for 7–10 days, then cure in jars for at least two weeks.
Outdoors, the mould resistance really shines. We've seen growers in northern European climates pull three successive harvests from staggered sowings between May and July, with the final chop in October before the first frost. That's the real advantage of a 10-week autoflower with cold tolerance — you're not gambling on a single harvest window.
Flavour, Aroma, and Effects of Berry Bomb Auto
Open a cured jar and you get hit with sweet berry — not artificial, not candy-like, but that ripe, almost jammy blueberry scent the original Blueberry line is famous for. When smoked, users often detect sweet hints of blueberry and blackberry, complemented by delicate herbal undertones that enhance the overall experience. The smoke is smooth, not harsh, and the berry flavour lingers on the exhale.
Effects sit in a nicely balanced Indica/Sativa space. The 15–20% THC range means you get a proper effect without being pinned to the sofa — there's enough Sativa influence from the Bomb #1 father to keep your head clear while the Indica side relaxes the body. It's the kind of smoke that works equally well in the afternoon or the evening. Not a one-dimensional knockout, not a racy head-spinner. Just well-rounded.
One thing to flag: common cannabis side effects apply here as with any strain. Dry mouth and dry eyes are the most frequent. Staying hydrated and keeping eye drops nearby sorts both out.
Berry Bomb Auto Compared to Other Bomb Seeds Strains
Bomb Seeds have built a solid catalogue, and it's worth knowing where Berry Bomb Auto fits relative to her siblings.
| Strain | Type | THC | Seed to Harvest | Best For |
|---|---|---|---|---|
| Berry Bomb Auto | Autoflowering | 15–20% | 70 days | Flavour chasers who want speed |
| Big Bomb | Photoperiod Feminised | 15–20% | 8–9 weeks flowering | Maximum yield per plant |
| THC Bomb | Photoperiod Feminised | 20–25% | 7–9 weeks flowering | Potency-focused growers |
| Gorilla Bomb | Photoperiod Feminised | 22–27% | 8–10 weeks flowering | Heavy hitters who want resin |
If Berry Bomb Auto's 15–20% THC feels like it might not be enough, Gorilla Bomb pushes into the 22–27% range — but you're looking at a photoperiod grow with a longer timeline and more hands-on management. Berry Bomb Auto is the best Bomb Seeds strain for growers who value the combination of speed, flavour, and low maintenance over raw potency numbers.
Frequently Asked Questions
How long does Berry Bomb Auto take from seed to harvest?
Approximately 70 days — that's 10 weeks from germination to chop. She flowers automatically based on age, so there's no need to switch light cycles. Outdoors, this short lifecycle allows multiple harvests between May and October.
What does Berry Bomb Auto taste like?
Sweet blueberry and blackberry dominate, with herbal undertones underneath. The Blueberry mother genetics come through strongly. The smoke is smooth and the berry flavour stays on the palate after exhaling.
Is Berry Bomb Auto good for beginners?
Yes — she's one of the more forgiving autoflowers available. High mould resistance, cold tolerance, and a compact 70–120 cm height make her manageable for first-time growers both indoors and outdoors.
What yield can I expect from Berry Bomb Auto indoors?
Bomb Seeds rates her at 300–350 g/m² under indoor lighting. Using a ScrOG setup helps maximise light exposure across the canopy. She's a solid yielder for an autoflower, though photoperiod strains will typically outproduce her per cycle.
Does Berry Bomb Auto turn purple?
Yes. Later in flowering, the plants can develop purple and blue hues on leaves and calyxes, especially when nighttime temperatures drop below 18°C. This is a natural expression of the Blueberry genetics and doesn't affect potency or flavour.
Can I grow Berry Bomb Auto outdoors in a cool climate?
Absolutely. Her Ruderalis genetics give her strong cold tolerance and mould resistance. Northern European growers regularly harvest multiple rounds per season by staggering sowings from May through July, with the last harvest in October.
What's the THC content of Berry Bomb Auto?
THC ranges from 15–20%, depending on growing conditions. An average window of 16–20% is commonly reported, with occasional outliers surpassing 22% in optimised environments. The effect is a balanced Indica/Sativa combination rather than a heavy knockout.
Last updated: April 2026
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Medical disclaimer. This content is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before use of any substance.