Fire & Flower Cannabis Co. | Guelph Stone Square Centre is a trusted licensed cannabis retail store in Guelph, Ontario, located on Stone Road West and serving adult consumers (19+) with a top-notch selection of legal cannabis products. Step into our welcoming store to explore a curated assortment of premium dried flower, pre-rolls, edibles, vapes, concentrates, CBD products, and accessories from the brands you know and love — perfect for recreational use, experimentation, or finding reliable wellness options.

Our knowledgeable budtenders are passionate about cannabis and ready to help you navigate your options, whether you’re new to the legal market or a seasoned enthusiast. From classic indica, sativa, and hybrid strains to the latest innovations in edibles and extracts, you’ll find choice, quality, and expert guidance at every turn.

Enjoy the modern convenience of Spark delivery — place your order online and have your favourite cannabis products delivered right to your door quickly and reliably, with same-day delivery available on qualified orders. Combined with in-store shopping and pickup options, Spark delivery makes accessing legal cannabis in Guelph simple and seamless.

Visit Fire & Flower at Stone Square Centre for quality products, friendly service, and a premier cannabis shopping experience in Guelph’s vibrant legal market.

Fire & Flower Cannabis Co. - Guelph Stone Square Centre

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Big Bag O' Buds

14g of Ultra Sour, a sativa with terpinolene and limonene aplenty and a sweet, fruity nose. 22-28% THC.

Ultra Sour - Big Bag O' Buds - Dried Flower - 14g

<p>Ultra Sour by THSeeds is a tart cross out of Amsterdam. This strain is the product of crossing <a href="/strains/mk-ultra">MK Ultra</a> and <a href="/strains/east-coast-sour-diesel">East Coast Sour Diesel</a>, creating a sativa-dominant bud with uplifting stimulation and heady euphoria. Ultra Sour smells of pine and diesel, and its buds are deep green with rusty orange <a href="/news/cannabis-101/cannabis-anatomy-the-parts-of-the-plant">pistils</a>. The potent mental effects can be a little daunting for inexperienced consumers, so mind your dosage. Enjoy Ultra Sour as a means to shrug off&nbsp;stress and enhance creativity. &nbsp;</p>


Ultra Sour by THSeeds is a tart cross out of Amsterdam. This strain is the product of crossing MK Ultra and East Coast Sour Diesel, creating a sativa-dominant bud with uplifting stimulation and heady euphoria. Ultra Sour smells of pine and diesel, and its buds are deep green with rusty orange pistils. The potent mental effects can be a little daunting for inexperienced consumers, so mind your dosage. Enjoy Ultra Sour as a means to shrug off stress and enhance creativity.  

aroused

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uplifted

Ultra Sour

Ultra Sour by THSeeds is a tart cross out of Amsterdam. This strain is the product of crossing MK Ultra and East Coast Sour Diesel, creating a sativa-dominant bud with uplifting stimulation and heady euphoria.

Ultra Sour - Big Bag O' Buds - Dried Flower - 14g

Ultra Sour - Big Bag O' Buds - Dried Flower - 14g

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Fire & Flower Cannabis Co. - Guelph Stone Square Centre

Ultra Sour - Big Bag O' Buds - Dried Flower - 14g

Ultra Sour - Big Bag O' Buds - Dried Flower - 14g

About this product

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