Free Seeds & Gift Every Order

Up to 40% SALE

Worldwide Fast Free Shipping*

High Grade Genetics

Pick and Mix Seeds

14% On Sale!

White Widow Auto – Bulk Seedbank


-20% Sale on Blister Seed
-10% Sale on Seeds Pack


THC: 17-20% CBD: N/A CBN: N/A

White Widow x Ruderalis

Additional information

Genetic Type

Hybrid, Ruderalis

Harvest Time

10-12 Weeks, 8-10 Weeks

Harvest Yield

300-400g /m2, 400-500g/ m2, 500-600g / m2

Seed Sex

Feminized Autoflowering Seed


High THC (20%), Mid THC (15%)

Where to Grow

, , , ,


“White Widow Autoflower” Feminized Cannabis Seeds – Bulk Seed Bank

The White Widow Auto, today offered by Bulk Seedbank, is certainly an evergreen of any coffeeshop in Amsterdam, but it is quite possibly the best known marijuana strain of all time! Popular nowadays practically everywhere, the White Widow Auto cannabis strain is a very balanced Indica / Sativa hybrid, first developed in Amsterdam.

The creator is the legendary Shantibaba, who was working for Green House Seeds in 1995 when he discovered this gem: with the discovery of this milestone in cannabis cultivation, he left the Dutch company to create his own: Mr. Nice, which quickly changed the name of White Widow, calling her Black Widow, one of the best selling cannabis seeds in the world!

The White Widow Autoflowering presented here is a cross developed from a specially selected Original White Widow dam who can deliver incredible yields.

As a sire, the Bulk Seedbank geneticists selected and employed a Ruderalis Indica hybrid to transform the Regular Original White Widow into a stable and fully autoflowering variety.

What does the Annibale Seedshop team think

Growth vigor, core aromas and devastating potency have been expertly preserved in this Automatic and feminized version. It is a very consistent and easy to grow plant, suitable for beginners as well as professional and commercial growers. While not a suitable marijuana strain for everyone, White Widow Auto will impress many aficionados of higher quality cannabis growers.

Cannabidiol (CBD) levels are slightly higher in comparison to the Feminized version of Bulk Seedbank, which makes this strain really suitable for medicinal and therapeutic uses.

White Widow Autoflowering plants can grow very tall, at around 150cm, with abundant flower yields that can outperform most other autoflowering strains available on the market.

This is said both for a quality factor, with buds covered in sparkling trichomes and loaded with THC, and for the amount of flowers you will be able to harvest, as yields of up to 250 grams per plant are possible, as long as grown in optimal conditions.

We at Annibale Seedshop are going against the trend: we don’t like using Ruderalis Automatic Cannabis plants, but this Marijuana strain is definitely an exception: White Widow Autoflowering from Bulk Seedbank cannot disappoint you!

The Annibale Seedshop Team recommends this Cannabis plant for its delicate citric and earthy taste, fast flowering and record XXL yield of top quality flowers in Indoor, Outdoor, Greenhouse, Guerilla and High Altitude crops!


Learn more about White Widow Auto by Bulk Seedbank





Original White Widow x Indca Auto Ruderalis


The legendary White Widow Autoflowering  by Bulk Seedbank has a very sweet and spicy flavor and aroma, with distinct notes of citrus, exotic woods and touches of fresh flowers.


The effect of White Widow Auto, this record-breaking XXL beauty, is very similar to the original regular version, which is a complex body and muscle stun, followed by a clear, strong cerebral high. The stoned effect can get heavy if you smoke too much.

Indicated as a valid remedy for chronic ailments such as migraines, muscle aches, nausea, loss of appetite (anorexia) and insomnia.


Indoor flowering time of White Widow Auto by Bulk Seedbank is around 9 to 10 weeks, and with massive yields of Amsterdam coffeeshop worthy flowers that can easily reach over 550g / m².

It can start flowering at any time of the year, as long as the light hour cycle is between 8 hours and 24 hours of light per day. 11-12 weeks will be the total time this cannabis strain will take to harvest from the day of germination.



When grown outdoors, the flowering time of White Widow Auto by Bulk Seed bank will extend to around 10 to 12 weeks, with record yields ranging from 60 grams to 250 g / plant and beyond. Cannabis seeds develop very short plants with short lateral branching.

  • Estimating a total height ranging from 60 cm to 140 cm maximum.
  • Requires 11-14 weeks of total growing time, from seed germination to harvest day.
  • It can start flowering at any time of the year as long as the external ambient temperature always remains above 11 ° C.

You may also like…