Canada's leading source for all things cannabis. For us, it’s about more than just a cannabis retail experience. It’s about starting a conversation and opening minds to fresh perspectives. And, perhaps most of all, it’s about becoming a part of the fabric of every neighbourhood that welcomes us.

Our team of experienced buds hand-pick our menu and personally test and review the products we carry for quality, and to  assure we carry only the best options of flower, pre-rolls, 510 vape cartridges, edibles, or  hash and concentrates/ extracts in our store!

Come visit us at 75 Bayly St West, Ajax, Ontario 

4K Cannabis is located on Bayly Street in the LCBO plaza, right beside the TD Bank. 


4K Cannabis - Ajax

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Great Cannabis Starts With the Right Food
Aquaponic farming takes a little more effort, but we’re proud to grow our cannabis naturally. Here’s how our fish and plants work together to give you the best of both worlds!

Stewart Farms

This bath bomb is inspired by the iconic Blue Dream hybrid strain.

Our harmonizing Blue Dream bath bomb features mango butter and a blend of pure essential oils with notes of lavender, lemongrass, black pepper and sweet orange. Each single use package contains a potent infusion of 50 mg of CBD and 50 mg of THC. Each bath bomb is wrapped in 100% biodegradable shrink wrap before being lovingly placed in a box made from post-consumer waste that is entirely compostable and recyclable, because you deserve a guilt-free bath!

STEWART FARMS | Blue Dream Bath Bomb | Blend

A triple box featuring three uniquely scented handcrafted bath bombs. Double Dream, Citrus Farmer and Kaya's Koffee.

A triple pack of bath bombs made without animal products containing 100 mg of THC and 100 mg of CBD per unit. Rediscover your zest for life with a Citrus Farmer bath. You’ll be immersed in the scent of a citrus grove in your own bathroom. Our Double Dream bomb features an aromatic blend with notes of pure lavender, chamomile and frankincense essential oils. Kick off a new morning ritual with Kaya’s Koffee in your tub. Inspired by the unique cultivar bred by Ras Kaya Paul, this bath bomb delivers bold notes of roasted coffee with undertones of decadent chocolate and subtle sweetness.

STEWART FARMS | Bath Bomb Triple Pack: Citrus Farmer/Double Dream/Kaya's | Blend

Take a ray of sunshine. Add colour, joy and a double-shot of pick-me-up and you’re halfway to Chowie Wowie. We think edibles should be fun, safe, tasty and consistent. And most important of all, enjoyed with friends.

Chowie Wowie

Chocolate so smooth it could sell water to a fish. Every deliciously creamy and smooth Chowie Wowie Balanced THC/CBD Milk Chocolate contains one piece of quality milk chocolate with 10mg of THC and 10mg CBD. Breakable into two servings of 5mg of THC and 5mg of CBD each, it’s perfect for sharing. Leveraging 100% THC and CBD distillate, Chowie Wowie Balanced THC/CBD Milk Chocolate provides consistent dosing and effectiveness. Start with 1 square then wait to feel the effects. 

While you wait you could invent backstories for strangers, try not to think about capybaras, watch clouds...

CHOWIE WOWIE | Balance Solid Milk Chocolate | Blend | 1x16g

1:1 Balanced Solid Milk Chocolate 20mg

Quality Cannabis Starts with How It's Made
No shortcuts, no excuses. With over 30 years experience in agriculture, we are devoted to delivering you quality cannabis. As a leading Canadian producer of medical cannabis located in heart of the beautiful Niagara escarpment, our state-of-the-art greenhouse allows for the optimal use of natural sunlight and clean fresh water.

Our Promise
We are committed to delivering the ultimate experience, from seed to sale.

Straight from our farm to your door.

Patients are our priority
Unparalleled customer service
100% Canadian homegrown
100% Greenhouse grown
Natural growing conditions

Our Process
We are the original growers—farming is in our DNA. We’ve married our years of agriculture experience and our state-of-the-art greenhouse facility to create a cannabis family that’s in a league of its own..

Redecan

A blend of Redecan CBD cannabis grown in Niagara, extracted using a state-of-the-art CO2 extraction process, in easy-to-swallow gel caps.

A blend of Redecan CBD cannabis grown in Niagara, extracted using a state-of-the-art CO2 extraction process, and encapsulated in easy-to-swallow gel caps.

REDECAN | Blend | CBD Gems 10mg | 15 caps

Each 1ml(full syringe) dose contains <1mg of THC and 15mg of CBD. This oil is made with a greenhouse-grown blend of CBD cannabis, put through a CO2 extraction process and diluted to the optimal concentration.

Redecan’s golden-coloured oil drops are formulated in Niagara, Ont. The oil is made with a greenhouse-grown blend of CBD cannabis, put through a state-of-the-art CO2 extraction process and diluted to the optimal concentration. It’s available in a 30 ml bottle and has an extremely low THC potency countered with a high amount of CBD. All oil products sold at OCS.ca are meant for ingestion only. DO NOT smoke or vape these oils. Use as directed.

REDECAN | CBD Reign Drops | Blend | 30ml

Each 1ml(full syringe) dose contains 15mg of THC and 15mg of CBD. This oil is made with a greenhouse-grown blend of cannabis, put through a CO2 extraction process and diluted to the optimal concentration.

Redecan’s golden-coloured oil drops are formulated in Niagara, Ont. The oil is made with a greenhouse-grown blend of cannabis, put through a state-of-the-art CO2 extraction process and diluted to the optimal concentration. It’s available in a 30 ml bottle and has a THC potency balanced with an even amount of CBD. All oil products sold at OCS.ca are meant for ingestion only. DO NOT smoke or vape these oils. Use as directed.

REDECAN | Reign Drops 15:15 | Blend | 30ml

CBD Gems + cannabis softgels are made with CO2-extracted oil from blended hybrid strains.

CBD Gems + cannabis softgels are made with CO2-extracted oil from blended hybrid strains. Each gelatin softgel has 30 mg of CBD and is formulated with MCT oil. They have high CBD potency and are available in 15-capsule bottles.

REDECAN | CBD Gems+ | 30mg | 15 Caps

Noon & Night

A fragrant bath fizz infused with full-spectrum CBD extract, lavender flowers, and essential oils.

A fragrant bath fizz infused with full-spectrum CBD extract and lavender. Dissolve in a warm bath to enjoy a full body soak. Hypoallergenic, free of colourants, and made with lavender flowers and essential oils.