Cold Thunder
Sumo Seeds has its roots in Holland. After years of research and experience, we managed to create a diverse cannabis seeds collection. During our trips all over the world, we managed to collect indigenous strains. Our research team is always on the road to find that special cannabis strain everybody is craving for.
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Same Day Dispatch Information
We will always strive to dispatch orders for special delivery placed before 10am on the same working day, however please note all orders are subject to our usual processing time of upto two working days. Quoted delivery time is from point of dispatch.
Free Cannabis Seeds
Everybody loves freebies right?
When you shop at the London Seed Centre you are guaranteed a minimum of one free seed with every order.
The more you spend the more free seeds you’ll receive bundled in with your order.
What’s more, our freebies are some of the most popular strains on the market provided by the most reputable manufacturers, so rest assured you won’t be disappointed!
Quantities and strains adjust with order size and value
Don’t forget to sign up to the London Seed Centre today to claim your seed chips for extra discounts on your orders, plus a load of bonus perks for being a valued LSC member.
*Kindly note that free seeds strains are subject to availability, and may be swapped out with different strains if they become out of stock. We alway do our best however to supply a strain of similar characteristics to the seeds on your order. Thank you for understanding.
Cold Thunder is the answer for all outdoor growers in colder climates. The genetics of the Cold Thunder contains a crossbred of The Tetouan Sativa and a stable Early Misty. To further develop this outdoor strain, we crossed it again with a powerful Alaskan Thunder.  If you are a guerilla farmer, The Cold Thunder answers all of your demands. She has a very strong root system which even goes through hard substrates making this plant grow in almost every surface. Because of her strong root system, she can easily reach heights of 300 to 350cm. Our most stable and uniform strain. She will be ready to harvest at the beginning of September. In sunny area’s she will award you with a harvest between 600 to 1000gr per plant! One of the best outdoor strains available on the market.
​Cold Thunder is not suitable for indoor growing because of her height. In sunny areas, you can start harvesting at the beginning of September. In Colder climates, you can start harvesting mid-September. Cold Thunder is one of our fastest outdoor cannabis strains. Grown directly in soil she will grow into a 300 to 350 cm monster! Cold Thunder has a very distinctive sativa appearance with large side branches.
One of our high yielding outdoor cannabis strains. You can easily achieve a thunderous yield between 600 to 1000 grams per plant. The buds are huge and very compact and will easily bend the branches because of their weight. So you might want to support the branches.Â
Even for an outdoor plant, the Cold Thunder will develop high THC rich buds. She is very potent and will amaze even users who think outdoors strains aren’t potent enough. A great strain to spark your creativity and she will give you a nice stoned body buzz.
An earthy and sweet citrus aroma will immediately be noticed. A real treat for sativa lovers out there. Curing her will enhance her flavor.
| Breeder | SUMO SEEDS |
|---|---|
| Cup Winner | No |
| Medicinal | No |
| Flowering Type | Standard |
| Yield | High |
| THC Content | High (15-20%) |
| CBD Content | Low (0-1%) |
| Environment | Outdoor |
| Genetics | Mainly Sativa |
| Height | Tall |
SHIPPING METHODS WE OFFER FOR UK & N. IRELAND
FREE 3-5 Day Standard Delivery™
Free standard delivery on your order for delivery within approximately 3-5 days.
(Applies to orders over £50 only)
Royal Mail Signed For™ 1st Class
Royal Mail Signed For 1st Class™ aims to deliver your letter or parcel the next working day however can take up to 3 days - and gives you the added benefits of check online or on your mobile to see where your item is (royal mail website) compensation cover up to £50.
Special Delivery Guaranteed Next Day™
Special Delivery Guaranteed by delivery the next working day. The benefits include end to end tracking and signature on delivery online or via your mobile (royal mail website) compensation cover up to £500 for loss and damagesend items up to 20kg
SHIPPING METHODS WE OFFER INTERNATIONALLY
International Signed For™
For an overseas delivery service you can trust, look no further International Signed For™ mail is available worldwide and travels through a separate and secure network until it leaves the UK . Each item is individually listed and accounted for before being handed over to the airline. Proof of posting and compensation comes as standard, with the option to buy extra compensation up to £500*.
*sometimes £250, depending on the destination.
International Signed For™ items are tracked until they leave the UK when sent by Airmail. Tracking is also available in a number of overseas destinations to delivery.
Delivery aims:
- to Europe within three to five working days of posting
- to Rest of World within five to seven working days of posting
* Delivery is in working days and excludes day of posting, Saturdays and Sundays.
FURTHER INFORMATION
Airsure®
Trusted for fast and secure international mail Airsure® receives priority handling in the UK and abroad and is generally a day faster than standard Airmail.
Our aim is to deliver:
- to Western Europe within two to three working days of posting
- to Eastern Europe within three to four working days of posting
- to the rest of the world within six to seven working days of posting.
* Delivery is in working days and excludes day of posting, Saturdays and Sundays.
Note: This service does not guarantee delivery within the timescales indicated. Neither does it offer compensation for delay or for missing tracking information.
Airmail
Airmail will aim to deliver your mail to:
- Western Europe within three working days
- Eastern Europe within five working days
- major cities worldwide within five working days and other destinations within seven..
RETURNS & REPLACEMENTS
You can exchange an unwanted item for a replacement or store credit of the same value if the item is still in the original breeder packet which remains sealed. We will not under any circumstances exchange or replace an open packet. Due to the nature of our products, we cannot give refunds. Kindly note that any items being sent back to us should be sent by recoreded delivery, and the tracking number sent to us by email to sales@londonseedcentre.co.uk.
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