Top Cannabis strains for outdoor growing in Colorado

Top Cannabis Strains for Outdoor Growing in Colorado

In Featured Content by coloradohighlife

The Best Outdoor Strains to Grow in Colorado.

When grown outdoors in Colorado, these strains ensure a successful harvest and a delicious result. If you’re looking to grow cannabis outdoors in Colorado, these strains are the best. We will show you the Best Marijuana Strains for growing outside in Colorado.

  • Dutch Passion Seeds Pamir Gold

This outdoor strain grows to a height of 175-200 cm, depending on the growing conditions. It usually harvests between September and October, during the mid-late autumn season. In general, growers can harvest around 20-25 ounces of usable flower per plant with 18-22% THC levels.



  • 00 Seeds Critical Poison

Critical Poison typically reaches 200-250 cm in height outdoors. Harvest dates depend on the growing conditions. Outdoors, the yield is variable. It typically produces 23 ounces per plant. The THC content varies, but usually is 18-24%. A relaxing and euphoric sensation characterizes this strain.

  • Pyramid Seeds’ Tutankhamon

In the outdoors, Tutankhamon grows to heights of 180cm. It is ready for harvest by the end of October because of its hardiness and vigorous growth. Tutankhamon has a high yield potential of 25 ounces of bud per plant when grown outdoors. In addition to being high in THC, Tutankhamon contains up to 25% of THC.

Best Auto Marijuana Strains for growing Outdoors in Colorado

  • Sweet Seeds Green Poison Auto

Growing this strain discreetly is easy. From seed to harvest, it takes around nine weeks for this strain to flower. It is between 60-100 cm tall. Green Poison Auto can produce a yield of up to 100 grams per plant outdoors due to its 20% THC content.

  • Barneys Farm Seeds Purple Punch Auto

The Purple Punch Auto plant can reach an average height of 80-100cm, making it ideal for growers without much outdoor space or who prefer shorter plants. In 8-10 weeks after germination, it produces about 90 grams of cannabis with an average THC content of 20%, a moderate yield.

  • Pyramid Seeds Tutankhamon Auto

When planted, Tutankhamon Auto outdoor plants will reach an approximate height of 100-150 cm. It is expected that this Auto marijuana variety outdoor will yield 400-500 grams per square meter in just 10-12 weeks and contain 20-22% THC.

Is Colorado an Easy Place to Grow Cannabis?

Understanding Colorado’s specific climate conditions and regulations is critical to successful outdoor cultivation.

Considering the climate

Despite Colorado’s diverse climate, the western part of the state offers the best conditions for cannabis cultivation outdoors. It has warm, sunny summers and cold winters, making it perfect for cannabis cultivation.

The legal and regulatory environment

It is legal to cultivate and distribute marijuana in Colorado. Specific laws and regulations govern cultivation and distribution of cannabis.

In Colorado, cannabis cultivation businesses must be at least 1000 feet from schools, daycares, and other licensed businesses to determine their difficulty. In urban areas, land is scarce and expensive, so this proves challenging.

Techniques for cultivating outdoors

Colorado marijuana growers can use the following techniques:

  • Make sure you choose strains that can adapt to Colorado’s climate and are resistant to pests and diseases.
  • Ensure the planting area is sunny, well-drained, and protected from harsh weather conditions. Avoid excessive rain or wind, as these may harm your plants.
  • Ensure the soil is well-prepared with organic matter to increase nutrient availability and water retention. Maintain soil pH levels appropriate for the strain.
  • To avoid frost damage, start seeds indoors and transplant outdoors as soon as frost is no longer an issue.
  • During the growing season, provide the plant with adequate moisture, but do not over or underwater.
  • Take immediate action when you see insects, mites, or diseases on your plants.
  • Curing the harvested cannabis properly will preserve the quality and flavor of the strain.

The advantages of growing photoperiod vs auto strains outdoors

Growing cannabis outdoors in Colorado has a number of advantages, including cost savings and an abundant harvest. You should understand the advantages and disadvantages of each strain before choosing between auto and photoperiod strains for your outdoor cultivation project.

Strains that flower photoperiod

Photoperiod strains are cannabis plants that require light to go into flowering. They respond to changing light conditions, requiring a specific photoperiod.

Advantages to growing photoperiod marijuana seeds outside in Colorado:

  • Due to their high THC content, photoperiod strains are often preferred for a strong psychoactive effect.
  • There are many photoperiod strains in Colorado, each with its own taste, aroma, and effects.
  • Photoperiod strains can produce significant harvests under ideal conditions when grown outdoors.
  • Photoperiod strains thrive in Colorado’s weather and temperatures.

Strains that flower automatically

A strain of cannabis that automatically flowers without changing light conditions is called an auto strain. They are becoming increasingly popular due to their ease and short cultivation time.

Advantages to growing Automatic marijuana seeds outside in Colorado:

  • Faster growth allows faster harvests with auto strains compared to photoperiod strains.
  • During fast outdoor cultivation, auto strains thrive in controlled environments without changing light cycles.
  • Variations in light availability during the outdoor growing season can lead to missed flowering windows.
  • Strains that Automatically Flower have short cultivation times making it possible to harvest multiple crops in one growing season.
Top Cannabis strains for outdoor growing in Colorado

When choosing whether to grow photoperiod or auto strains outdoors in Colorado, consider your personal preferences, your growing experience, and your goals. In contrast, auto strains offer shorter cultivation times, indoor adaptability, and avoid seasonal variations, while photoperiod strains yield higher yields and are more potent. Choosing the right strain depends on its characteristics, your growing environment, and the goal you are after.

Our team at Cannabis Seeds Outlet UK has researched the most effective marijuana strains for growing outside. From this research, we have selected the top 3 auto flowering strains and the top 3 photoperiod strains.

Thanks for reading this article and we hope you find your perfect strain.