Critical Mass

Critical Mass is a reworked excellent version of the great but old breed by Sensi Seeds known as Big Bud. This Mr Nice cannabis strain is an absolute must for the cultivator who wants fat indicaplants. Mr Nice Critical Mass can be susceptible to mould if the growing area is too humid, it is a strain for beginners as well.

• Lineage: Afghan x Skunk
• Genetics: mostly Indica
• Flowering Time: 7 - 8 weeks
• Smell: strong, earthy, sweet
• THC: 20%

• Mr Nice Seeds: Legendary Cannabis Genetics from Shantibaba and Howard Marks

Mr Nice Seeds were created by renowned breeder Shantibaba, also known as Scott Blakey, together with his long-time friend Howard Marks, widely known as Mr Nice. The Mr Nice Seedbank was founded to preserve and share original cannabis genetics with growers around the world. Over the years, their work has gained international recognition, including multiple High Times Cannabis Cup awards.

Quick Facts about Mr Nice Seeds

Location: United Kingdom origins

Founded: 1998

Focus: Classic and original cannabis genetics

Types Available: Regular

Well Known For: Black Widow, Super Silver Haze, NL5, Nordle, White Shark

Mr Nice Seeds are known for preserving old school cannabis genetics with distinctive aromas, strong effects and reliable performance. Instead of following short-term trends, the focus remains on stability and authenticity. If you are looking for proven strains with history, character and original lineage, these seeds are a solid choice for any grower. Some of the most iconic Mr Nice Seeds include Black Widow – the original White Widow with intense resin production – as well as Super Silver Haze, NL5, Nordle for high yields, and White Shark.