Change Currency: Help and FAQs Contact Us Postage and Shipping

Basket 0 items - £0.00 GBP

Checkout

Brands
Categories
High THC
Special Offers
Free Seeds
Privacy
FAQ

Change Currency:

Basket 0 items - £0.00

Checkout

Free Tracked Delivery for Orders over £79.99 ($ 103.52)

Guaranteed International Delivery with Extra Stealth

Totally Discreet Billing and Shipping

100% Secure and Legal

Home
Brands
Critical Mass Collective

Refine By

Clear

brands

Top 10
All Brands

Southern Star Seeds
Bomb Seeds
Vision Seeds
Barneys Farm
World of Seeds
Greenhouse Seeds
Humboldt Seeds
French Touch Seeds
Original Sensible Seed Company
Medical Seeds

710 Genetics.
Ace Seeds
Advanced Seeds
Allstar Genetics
Alphakronik Genes
Apothecary Genetics
Atomik Seeds
Auto Seeds
Barneys Farm
BC Bud Depot
Big Buddha
Big Head Seeds
Blimburn Seeds
Bomb Seeds
British Columbia
Buddha Seeds
Bulldog Seeds
Cali Connection
Canadian Bred Seeds
CannaBioGen
CBD Crew
CBD Seeds
Ceres Seeds
Connoisseur Genetics Seeds
Cream of the Crop
Crockett Family Farms
De Sjamaan Seeds
Delicious
Delta 9
Devils Harvest
Dinafem
DNA Genetics
DNA Genetics - GYO Collection
Dr Krippling
Dr Underground
Dready Seeds
Dutch Passion
Elemental Seeds
Emerald Triangle
Eva Seeds
Fast Buds
Female Seeds
Feminised Seeds
Flash Auto Seeds
Flying Dutchmen Seeds
Freedom Of Seeds
French Touch Seeds
G13 Labs
Gage Green Group
Genehtik Seeds
Grand Daddy Purp
Green Label
Greenhouse Seeds
Hazeman Seeds
Heavyweight Seeds
Holy Smoke Seeds
Homegrown Fantaseeds
Horti Lab
Humboldt Seeds
John Sinclair Seeds
Joint Doctor (Lowryder)
Jordan of the Islands
Kannabia Seeds
KC Brains
Kera Seeds
Kiwi Seeds
Kush Seeds
Lady Sativa
Little Chief Collabs
Loud Seeds
Mandala Seeds
Medical Seeds
Medicann
Ministry of Cannabis
Mr Nice Seeds
MTG Seeds
Next Generation
Nirvana Seeds
OO Seeds
Original Sensible Seed Company
Paradise Seeds
Positronics
Pyramid Seeds
R Kiem
Rare Dankness
Reggae Seeds
Reserva Privada
Resin Seeds
Ripper Seeds
Roor Seeds
Royal Queen Seeds
Sagarmatha Seeds
Samsara Seeds
Sativa Seedbank
Secret Valley Seeds
Seedism
Seedmakers
Seeds of Africa
Seedsman
Sensi Seeds
Serious Seeds
Seven Dwarfs
Short Stuff Seeds
Sick Meds
SinCity Seeds
Soma Seeds
Southern Star Seeds
Spliff Seeds
Strain Hunters
Super Strains
Sweet Seeds
Taylor'd Genetics
TGA Subcool Seeds
TH Seeds
Top Tao
True Canna Genetics
Ultra Genetics
VIP Seeds
Vision Seeds
White Label Seeds
World of Seeds
Zambeza Seeds

thc content

Low (<8% )
Medium (8% - 15%)
High (15%+)

feminized seeds

Feminized
Regular

autoflowering

Autoflowering
Photoperiod

indoor / outdoor

Indoor
Outdoor
Greenhouse

Critical Mass Collective

Sort By:

Showing 1 - 10 of 10 results (1 Page)

Critical Mass Collective Purple Skunk Mass

1 Female Seed - £8.95

3 Female Seeds - £21.95

5 Female Seeds - £35.95

10 Female Seeds - £64.95

More info & Buy

Critical Mass Collective Psychotropic Mass

1 Female Seed - £8.95

3 Female Seeds - £21.95

5 Female Seeds - £35.95

10 Female Seeds - £64.95

More info & Buy

Critical Mass Collective Auto Massassin

1 Female Seed - £8.95

3 Female Seeds - £21.95

5 Female Seeds - £35.95

10 Female Seeds - £64.95

More info & Buy

Critical Mass Collective Monster Mass

1 Female Seed - £8.95

3 Female Seeds - £21.95

5 Female Seeds - £35.95

10 Female Seeds - £64.95

More info & Buy

Critical Mass Collective Auto Masszar

1 Female Seed - £8.95

3 Female Seeds - £21.95

5 Female Seeds - £35.95

10 Female Seeds - £64.95

More info & Buy

Critical Mass Collective Moonshine Mass

1 Female Seed - £8.95

More info & Buy

Critical Mass Collective Auto Mendo Mass

1 Female Seed - £8.95

More info & Buy

Critical Mass Collective Auto Monster Mass

1 Female Seed - £8.95

More info & Buy

Critical Mass Collective Super Mutant Mass

1 Regular Seed - £8.95

More info & Buy

Critical Mass Collective Auto Sour Melon Mass

1 Female Seed - £8.95

More info & Buy

Get Monthly Discounts and Freebies

You may need to confirm your email address first if you haven't already done so.

One newsletter each month with discount codes, free seed offers and info on new strains.

No spam ever. That's a promise.

You're just one step away from awesomeness!

If this is the first time you've made contact, you will soon receive a confirmation email to the address you entered. Simply click the link to confirm it's you and your newsletter will arrive at the start of next month.

Disclaimer

This website is intended for adults (18+) and provides content / products related to cannabis. We use cookies to ensure, you get the best experience on our website, some cookies on this website are strictly necessary and cannot be disabled. All information provided on this website is intended for entertainment, medicinal and educational purposes only.

By clicking on "ENTER THE WEB-SITE" you acknowledge the following:

I am age 18 or older and I am aware that this website provides cannabis related content / products.
I live in a country where it is legal to view information about cannabis.
I will not use the information provided on this website for any illegal activities.
I agree to allow cookies from this web-site to be saved on my computer.

Change of Currency?

We've noticed that you're visiting from a country outside of the United Kingdom where we're based. To change the default currency for prices to $USD, Euros or $AUD click on the appropriate flag in the top left of your screen.

If you using a mobile or tablet, then you need to show the menu first by clicking the three bars at the top left of your device's screen.

Monthly Freebies and Discounts?

One newsletter each month with discount codes, free seed offers and info on new strains.

No spam ever. That's a promise.

Contact Us

Please remember, due to UK Law we're unable to discuss anything related to the germination or growing of seeds.

Looking For?

Indoor Seeds
Outdoor Seeds
Feminized Seeds
Regular Seeds
Autoflowering
High THC
High CBD
Cup Winners
Beginner Seeds
Top Sellers
Budget Seeds
Single Pick & Mix Seeds

Useful Links

All Brands
Shipping and Delivery
Returns Policy
This Month's Free Seeds
No# 1 in Privacy
Payment Methods

Get Social

Disclaimer: Any pictures shown of plants are for indicative purposes only. This site only supplies seeds for souvenir purposes and does not supply plants or plant material. Under section 9A of the missuse of drugs act 1971, it is an offence to supply or offer to supply any article which may be used or adapted to be used for taking illegal drugs, believing that the article will be used in such a way. None of these products are sold for the purpose of drug taking, preparation, or cultivation and any discussion that leads us to believe they will be will result in refusal of goods or termination of your order.

SIGN UP WITH US NOW &
GET AN INSTANT 10% DISCOUNT
+
A CHANCE TO WIN 35 INCREDIBLE BULK BY DR. KRIPPLING

Be the first to know about discounts, limited promotions and other news!

Your Email Address:

First Name:

No spam ever. That's a promise.

Close and don't show me this annoying popup again!!

Critical Mass Collective

SIGN UP WITH US NOW & GET AN INSTANT 10% DISCOUNT + A CHANCE TO WIN 35 INCREDIBLE BULK BY DR. KRIPPLING

SIGN UP WITH US NOW &
GET AN INSTANT 10% DISCOUNT
+
A CHANCE TO WIN 35 INCREDIBLE BULK BY DR. KRIPPLING