The Best CBD Seeds: Our Top 10 High-CBD Strains

The best CBD seeds give you a functional, clear-headed plant rather than a heavy one, and this is our top 10. High-CBD autoflowers built for quick, low-fuss grows sit alongside balanced 1:1 strains. Every seed here is feminized, so nothing you plant turns out to be male. Ratios, flowering times and yields are set out below.

10 products

Green Cure CBD F1 Autoflower (Zamnesia Seeds) feminized

The team at Zamnesia has harnessed F1 genetics to bring you Green Cure CBD F1 Autoflower. This autoflowering cultivar offers an easy, accessible, and reliable cultivation project suited for all levels of expertise. Ready in just 11 weeks, growers will be met with sizeable returns of flavourful buds that provide clear-headed effects, ideal for moments of meditation.

(85)
£29.99
+36 Extra Gift Points

CBD Fix Autoflower (Zamnesia Seeds) Feminized

CBD Fix Autoflower presents a breakthrough in striking the perfect balance between CBD and THC. With a clear focus on catering the CBD cannabis user, Zamnesia has used expert knowledge to develop an automatic strain that guarantees less than 1% THC content. Such a diverse strain, usable at any time of the day has...

(228)
£23.99
+28 Extra Gift Points

Royal Highness (Royal Queen Seeds) Feminized

Sweet & fruity: Ripe fruit and a skunky edge combine into a smooth, full-bodied smoke.Respect x Dancehall lineage: Two high-CBD parents cross to deliver focused clarity over raw potency.Compact, fast finisher: Sativa-dominant genetics in an indica-sized frame, flowering in 8-9 weeks.Clear-headed...

(128)
£14.99

Purplematic CBD Autoflower (Royal Queen Seeds) feminized

Purplematic CBD is more than a pretty face. Her deep purple flowers manufacture high levels of CBD and tasty, synergistic terpenes.

(57)
£29.99

CBD Auto 20:1 (Fast Buds) feminized

CBD Auto 20:1 was created with one goal in mind: to feature high levels of CBD. This cultivar ups the ante of CBD-rich strains, providing a peaceful effect that won't get you high or impair normal functioning.

(56)
£30.99

Atlant CBD (VIP Seeds) Feminized

Atlant CBD by VIP Seeds is a CBD-rich, sativa-dominant hybrid created especially for medicinal users. The strain contains only tiny amounts of THC, so you can dose without getting high. Up to 21% of therapeutically valuable CBD makes the strain a good choice if you need help treating depression, eating disorders, ADHD, and many other health conditions.

(30)
£18.99

CBD Fix (Zamnesia Seeds) Feminized

Created by Zamnesia to cater to the increasing numbers of CBD cannabis users, CBD Fix delivers copious amounts of CBD while keeping her THC content at less than 1%—guaranteed. Not only can CBD users now get a powerful cannabinoid fix anytime they want, they can do so accompanied by remarkably refined flavours. No treatment has ever been this enjoyable!

(63)
£23.99
+28 Extra Gift Points

Fast Eddy Autoflower (Royal Queen Seeds) feminized

Fast Eddy lives up to its name - it goes from seed to harvest in 8-9 weeks. Cheese, Juanita la Lagrimosa and Ruderalis have been brought together to form a low-maintenance autoflowering plant with the potential to generate generous yields and a high CBD content, along with a rather low THC content of only 9%. This 60-100cm plant is able to produce 450g/m². Induces a clear and comfortable...

(66)
£21.99

Medical Mass (Royal Queen Seeds) feminized

Medical Mass is the offspring of Critical Mass, a strain known for its ease of cultivation, and Juanita La Lagrimosa, a plant with an exceptionally high CBD level. This medical variety is as easy to grow as Critical Mass and boasts with an extremely high CBD level like Juanita La Lagrimosa. Harvests of 500-550g/m² after 10-11 weeks of flowering.

(33)
£21.99

CBD Skunk Haze (Dutch Passion) feminized

CBD Skunk Haze, feminized, by Dutch Passion is the outcome of a joint venture with the CBD Crew and is intended for the medicinal users of marijuana. It has a very moderate THC level of only 8%, but its CBD level of 8% is outstanding. Relaxation and nausea alleviation, anxiety reduction and sleep improvement are only some of her nice effects. A Skunk that cures even the healthy.

(12)
£25.99

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How ten strains made this list

Ten CBD seeds out of the twenty-eight in this category, ranked by our own growers rather than by what sells fastest.

Best CBD Seeds: our top 10 ranked

Cannabidiol content sets the order, so the two 20% strains lead and the balanced ones follow. Breeders represented here are Zamnesia Seeds, Royal Queen Seeds, FastBuds and VIP Seeds, which is most of the serious CBD breeding work in one list.

How we picked these CBD strains

Cannabidiol first, and the top four all clear 12%. Then the CBD:THC ratio, because 20% CBD next to 15% THC is a completely different plant from 20% next to almost none. Then grow difficulty, since a strain nobody finishes is not a recommendation. Yield came last, which is why the biggest producer is not the number one.

Top 10 CBD seeds at a glance

SeedTypeCBD:THCYield indoorBest for
CBD Fix AutoflowerAuto28:1350 g/m2Cleanest ratio
CBD Auto 20:1Auto20:1450 g/m2Fastest finish
Green Cure CBD F1Auto18% CBD500 g/m2Our own genetics
Royal HighnessPhotoperiod1:1.2600 g/m2Biggest harvest

High CBD or balanced 1:1, choosing the right ratio

Cannabinoids do not work in isolation: run CBD and THC together and you get the entourage effect, which is what a 1:1 is for. Go the other way, to 28:1 with THC down at industrial hemp levels, and the plant is purely calming. Terpenes shape the flavour on both sides, and flowering time barely changes between them.

Best CBD seeds for beginners

Start with an autoflowering plant. It runs on its own clock, so there is no photoperiod to get wrong, and CBD Fix Autoflower is done 10 to 11 weeks after the seed goes in. The catch: autos are unforgiving of lost time. Stunt one in week three and it still flowers on schedule, just smaller. Fast Eddy is the other easy one, and at 9% THC the mildest of the balanced set.

Growing CBD seeds in the UK

Our climate suits the short autos far better than long photoperiod plants. A 9 to 10 week runner like CBD Auto 20:1 can go in late and still finish, while Royal Highness wants a proper indoor setup to reach that 600 gram yield. Store what you do not plant somewhere cool, dark and dry and the seeds stay viable for years. The full range sits in the seedshop.

CBD seeds FAQ

What are the strongest CBD seeds you sell?

CBD Fix Autoflower and CBD Auto 20:1 both reach 20% CBD. For sheer harvest size, Royal Highness yields up to 600 grams per square metre indoors.

Do CBD seeds produce THC?

Only a trace in the high-CBD ones, between 0 and 1%. The balanced strains are different: Royal Highness carries 14% THC next to 12% CBD.

Are they all feminized?

Yes, all ten. Seven are autoflowering as well.

How long from seed to harvest?

Nine to twelve weeks for the autoflowers. Royal Highness flowers in 9 to 10 weeks once you switch the lights.