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Pure outdoor seeds - perfect for growing outdoors

Pure outdoor seeds

Pure outdoor seeds are cannabis strains that have been specially developed for outdoor cultivation! These robust genetics are particularly resilient and optimally adapted to changing weather conditions. Thanks to their natural robustness, they thrive excellently in a natural environment and provide you with high-yielding plants.

Whether in the garden or on the patio - with our pure outdoor seeds, you can be sure of healthy and strong plants that are up to the challenges of nature. These varieties make optimal use of free solar energy and develop complex terpenes and balanced cannabinoid profiles through natural UV radiation.

At Mr. Hanf you'll find a carefully curated selection of outdoor-specific cannabis strains: from fast-flowering indica hybrids for shorter summers to robust sativa dominants for warm climates. Our Pure Outdoor seeds come from experienced breeders and are specially selected for the requirements of natural outdoor cultivation.

Pure outdoor seeds

Pure Outdoor Seeds

Cannabis seeds especially for outdoor cultivation - robust and resistant

Outdoor-optimized

Specially developed for natural conditions

Resistant

Robust against weather and pests

High yields

Up to 2kg per plant possible

Natural

Environmentally friendly cultivation without electricity

Why are Pure Outdoor Seeds the best choice for natural growing?

Pure outdoor seeds are the key to sustainable, cost-effective and high-yielding cannabis harvests in the open air! These specially selected genetics are perfectly adapted to natural conditions. 90% of all traditional cannabis growers only use outdoor-optimized strains for authentic results.

  • Cost efficiency: Free sunlight and rainwater
  • Taller plants: Up to 3-4 meters in height possible
  • Natural resistance: Against pests and diseases
  • Complex terpenes: Due to UV radiation and stress factors
  • Environmentally friendly: Sustainable cultivation without electricity consumption
  • Higher yields: 500g-2kg per plant possible

Pure outdoor seeds at a glance

Variety typeGrowing heightHarvest timeOutdoor yieldClimate zone
Indica-dominant 1,5-2,5mEnd of September500-1000g/plantTemperate-cold
Sativa-dominant 2-4mOctober-November800-2000g/plantWarm-Mediterranean
Hybrid 50/50 1,8-3mMid-late October600-1500g/plantModerate
Autoflowering 0,8-1,5m10-12 weeks from germination50-300g/plantAll zones
Early varieties 1,5-2,5mAugust-September400-800g/plantCold-moderate
Mold resistant 1,5-3mSeptember-October500-1200g/plantMoist-Moderate
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ACE Mix

ACE Mix

ACE Seeds
GenderFeminized
VarietySativa
CultivationOutdoor
Flowering time 8 - 10 weeks
Yield Medium
THC18 - 20%
CBD:THC1:1
CBGLess than 1%
In stock
Ready to order
Sold out
Autoflowering Outdoor Mix

Autoflowering Outdoor Mix

Royal Queen Seeds
Gender Feminized
ContainsNorthern Light Automatic
Royal AK Automatic
Royal Bluematic
strain Sativa, Indica, Ruderalis
Cultivation Outdoor, Indoor, Greenhouse
In stock
Ready to order
Sold out
BC Pinewarp Reg.

BC Pinewarp Reg.

BC Bud Depot
Gender Regular
Crossing Texada Timewarp x Purple Pineberry
Variety Sativa, Indica hybrid
Cultivation outdoor
Harvest time End of September
Taste & Aroma Earthy, piney taste
In stock
Ready to order
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CBD Terra Italia 40:1

CBD Terra Italia 40:1

Female Seeds
Gender Feminized
Crossbreeding Compolti x Lemon Kush
strain Sativa, Indica
Cultivation Outdoor
Outdoor yield 1500 - 3000 g per plant
Outdoor height 3 - 4 meters
Harvest time September
THC 0,3%
CBD 12-14%
Taste & aroma delicious floral aroma influenced by terpene linalool
In stock
Ready to order
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Cinderellas

Cinderella's

Sumo Seeds

Gender Feminized
Crossbreeding Oaxacan Sativa x Cinderella 88
strain 15% Sativa, 85% Indica
Cultivation outdoor
Flowering time63 days
Indoor yield400 - 500 g/m2
Outdoor yield 650 - 750 g per plant
Outdoor height 80 cm
Indoor height50 - 90
Harvest timeNovember
THCHigh
CBDLow
effect incredibly psychoactive
In stock
Ready to order
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Fast Bud Outdoor

Fast Bud Outdoor

Spliff Seeds
Gender Feminized
Crossing Early Pearl x Mexican Sativa x Californian Sativa
Variety 10% Indica, 90% Sativa
Cultivation Outdoor
Outdoor yield 650 g per plant
Outdoor height 200 - 250 cm
Harvest time Beginning - end of September
Taste & aroma Floral and sweet, with some delicious spicy undertones
In stock
Ready to order
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Show 1 to 6 (from a total of 31 articles)

The ultimate pure outdoor seed guide

What makes outdoor seeds particularly robust?

Outdoor seeds differ fundamentally from indoor varieties due to their natural resilience and adaptation to changing environmental conditions. These genetics have been selected over generations under natural conditions to tolerate temperature fluctuations, wind, rain and natural pests. Breeders have placed particular emphasis on disease resistance, structural stability and adaptability.

A major advantage of outdoor seeds is their ability to convert natural stress factors into positive characteristics. UV radiation stimulates the production of protective resins, wind strengthens the stems and temperature fluctuations promote the development of complex terpenes. These natural stress factors lead to more robust plants with more intense aromas and more balanced cannabinoid profiles.

Optimal location for outdoor cannabis

The choice of location is crucial for the success of outdoor cannabis. South-facing locations with at least 6-8 hours of direct sunlight per day are ideal. The soil should be well drained to avoid waterlogging, but at the same time be able to store enough moisture. A gentle slope is ideal, as it provides natural drainage and prevents cold air accumulation.

Wind protection is important, but not completely - slight air movement strengthens the plants and prevents mold growth. Natural wind breakers such as hedges or fences are ideal. The location should be discreet and protected from prying eyes. Access to water is essential, as large outdoor plants can require up to 20 liters a day during the flowering phase.

Seasonal cultivation plan for outdoor cannabis

Outdoor cannabis cultivation follows a natural rhythm that must be adapted to local climatic conditions. In Germany, the season begins with pre-cultivation in March-April under artificial light in order to develop strong seedlings. After the Ice Saints (mid-May), the plants can be planted outdoors, initially with protection from cold nights.

The growth phase lasts from May to August, during which the plants reach their full size. Regular fertilization and watering are essential. The flowering phase naturally begins in August, when the days become shorter. Depending on the variety, harvesting takes place between September and October, before the first frost. Autoflowering varieties can be grown several times per season.

Natural protection against pests and diseases

Outdoor cannabis benefits from natural defense mechanisms and companion plants. Basil, lavender and marigolds repel many pests and at the same time attract beneficial insects such as ladybugs and parasitic wasps. A diverse plant community creates a natural balance and reduces the risk of monoculture problems.

Preventive measures are more important than treatments. Good air circulation through sufficient plant spacing prevents mold growth. Mulching protects the roots and suppresses weeds. Regular inspections allow problems to be detected early. Neem oil and other natural products can be used if necessary without harming the environment.

Scientific findings on outdoor cannabis

Studies by the University of California (2019) show that outdoor cannabis develops up to 20% higher terpene concentrations due to natural UV radiation. The natural stress factors stimulate the production of protective compounds.

Research on soil biology shows that outdoor cannabis has more complex nutrient profiles in living soils. Mycorrhizal fungi improve nutrient uptake by up to 40% and strengthen natural immunity.

Climate studies show that natural temperature fluctuations promote cannabinoid synthesis. Outdoor cannabis often shows more balanced THC:CBD ratios and higher concentrations of rare cannabinoids such as CBG and CBC.

Practical applications for outdoor seeds

Garden cultivation

Recommended strains: Northern Lights, White Widow, Critical

Number of plants: 2-6 plants, depending on space

Special features: Discretion important, consider neighbors

  • Compact varieties for limited space
  • Prefer early harvest times
  • Yield: 200-800g per plant

Terrace cultivation

Recommended varieties: Auto-Cultivars, compact hybrids

Containers: 50-100L pots for optimal growth

Special features: Mobile installation, wind protection required

  • Autoflowering for flexibility
  • Rollable pots for positioning
  • Yield: 50-400g per plant

Guerrilla cultivation

Recommended varieties: Robust landraces, resistant hybrids

Location: Remote, natural, water-rich

Special features: Minimal visits, maximum camouflage

  • Extremely robust genetics
  • Natural camouflage important
  • Yield: 300-1500g per plant

Commercial plantation

Recommended varieties: Uniform hybrids, high yields

Scaling: Hundreds of plants, mechanization

Special features: Licensing, quality control

  • Uniform harvest times
  • Mechanical processing possible
  • Yield: 500-2000g per plant

Common mistakes with outdoor seeds

Sowing too early

Problem: Planting out before the end of the frost period

Consequences: Cold damage, growth arrest, total loss

Solution: Wait until after the Ice Saints (mid-May)

Tip: Check the weather forecast, have protection ready!

Poor choice of location

Problem: Too little sun, poor drainage

Consequences: Weak growth, mold growth

Solution: At least 6 hours of sun, good drainage

Tip: Observe the location throughout the day!

Lack of water

Problem: Irregular or insufficient watering

Consequences: Stress, reduced yields, loss of quality

Solution: Regular watering, mulching

Tip: Large plants need up to 20L daily!

Harvest too late

Problem: Waiting until frost for perfect ripeness

Consequences: Mold infestation, loss of quality due to cold

Solution: Pay attention to the weather forecast, harvest in good time

Tip: Better to harvest a little early than too late!

Frequently asked questions about pure outdoor seeds

Everything you need to know about outdoor cannabis seeds

Pure outdoor seeds are Cannabis strains that have been specially developed for growing outdoors! These robust genetics are particularly resilient and optimally adapted to changing weather conditions.

Advantages:
  • Natural resistance: Against pests and diseases
  • Climate adaptation: Tolerate weather extremes
  • Taller plants: Up to 3-4 meters in height possible
  • Free: Sunshine as a light source

Outdoor strains often develop more complex terpenes due to natural stress factors!

Outdoor-specific cannabis seeds offer natural robustness, free solar energy and greater yields in a natural environment!

Main benefits:

  • Cost efficiency: Free sunlight and rainwater
  • Larger plants: Up to 3-4 meters in height possible
  • Natural resistance: Against environmental influences
  • More complex terpenes: Due to UV radiation and stress factors
  • Environmentally friendly: Sustainable cultivation without electricity consumption

Higher yields: 500g-2kg per plant in optimal conditions!

The best time for outdoor cannabis cultivation is from May to October depending on climate and strain!

Timing:

  • March-April: Pre-grow indoors for strong seedlings
  • May: Plant out after the last frost
  • May-August: Growth phase with long days
  • August-October: Flowering phase with shorter days
  • September-October: Harvest before the first frost

Ideal in Germany: Sow in April, harvest in September-October!

You protect outdoor cannabis by choice of location, companion plants and natural defense methods from weather and pests!

Weather protection:

  • Location: Protected from the wind, but not windless
  • Roofing: In case of extreme rain or hail
  • Mulching: Protect the roots from temperature fluctuations
  • Support rods: For heavy branches in windy conditions

Pest protection: Companion plants such as basil repel insects, encourage beneficial insects!

Expert knowledge from Mr. Hanf

As Europe's largest cannabis seed store with over 20 years of owner expertise, we have been sharing our knowledge with over 20,000 customers since 2016.

Market leader Europe 20+ years of experience 20,000+ customers 100% legal in Germany