- Auto
Blueberry 420 Autoflower Seeds
Kiyoh 8.2/10 from 8,372 shop reviews (Sep 30, 2026) · Read reviews
Free worldwide shipping · Track & Trace optional at checkout
- Sun-kissed genetics: most of our seeds are bred outdoors, under the full spectrum of natural sunlight
- Trusted seed bank since 1996 · about us
- Free discreet worldwide shipping · costs and tracking
- Delivered within 21 business days in Europe, 31 elsewhere, from shipment · FAQ
- Guaranteed delivery with Track & Trace · conditions
- Growing problem? Tell us within 90 days of shipment · FAQ
- THC
- Up to 21%
- Yield indoor
- Up to 350 g/m²
- Flowering
- Fast (6-10 weeks)
- Effect
- Creative, Relaxed, Uplifting
- Difficulty
- Moderate
- Flavor
- Berries, Fruity, Sweet
Specifications
| Seed Type | Hybrid |
| THC Level | High THC |
| THC Level | Up to 21% |
| Yield | Average |
| Yield (indoor) | Up to 350 grams / 12 ounces per sq meter |
| Indica / Sativa | 60% / 40% |
| Flowering Time | Fast (6-10 weeks) |
| Height (indoor) | Up to 70 cm / 27.6 inch |
| Plant Size | Compact |
| Climate | Cold, Mediterranean, Temperate |
| Grow Difficulty | Moderate |
| Effects | Creative, Relaxed, Uplifting |
| Flavor | Berries, Fruity, Sweet |
About Blueberry 420 Autoflower Seeds
Blueberry 420 autoflower Genetics
The genealogy of this feminized strain can be traced all the way back to Goa, India. Although, only a few people appreciate the need strain, and it remains unknown for many years. But trust the resilience of this strain. It survived through the years and rose officially to prominence in the year 2000. Since then, it has never stopped on its track.
It is a mix between Afghan, Thai, and Purple Thai.
As always at Amsterdam Marijuana Seeds (AMS) we have given our personal touch to this strain to make it stable, reliable, and simply the best!
What Are the Effects of Blueberry 420?
Like Blue Dream XTRM, the Blueberry 420 variety has a THC level that can reach up to 21%. Being a 60% Indica/40% Sativa hybrid, it will give you a very balanced high. You get the best of both worlds. It will leave you relaxed but not down. It will fill you with energy and good vibes. It is the perfect companion for any time of the day and night.
What Does It Taste Like?
As its name suggests, Blueberry 420 has a blueberry flavor. If you love blueberries, this is the strain for you.
Strain characteristics
Blueberry seeds are a very popular Indica-dominant hybrid.
One of the main attractions of Blueberry 420 autoflower seeds is that they are plants that will not grow too much ideally for small-spaced growers.
Flowering time
The flowering period is short, starting in the eighth week.
Height
The Blueberry 420 Auto is a sturdy and hard cannabis stain of small to medium height, Indoors they can reach up to 70 cm and outdoors up to 90 cm. If you do not have much space or simply do not want your neighbor to see your beauties appear, this strain is a great choice.
Yield
You can harvest up to 350 gr / m2 if you grow it indoors and up to 450 gr / m2 if you grow it outdoors.
