Cannabis is considered one of the oldest cultivated plants in the world and has recreational or medicinal uses for many people. One way to grow cannabis is outdoors with outdoor seeds. This type of cultivation comes with some characteristics and properties that you can read about here: What characteristics does an outdoor plant need to possess and which strains are best suited for outdoor cultivation? All the answers are here.

Definition - What are outdoor seeds?

Outdoor cannabis seeds have always been popular among growers due to their resilient and authentic characteristics. Whether this involves growing autoflowering seeds, feminized seeds, or even regular cannabis seeds in their original form, seeds designed for outdoor cultivation are usually robust and weather-resistant. Even in colder climates, specially adapted genetics can be used to grow high-yielding, fast-flowering plants.

Outdoor cultivation remains one of the most cost-effective growing methods for growers - large harvests can be achieved at minimal cost, as long as variety selection takes into account climate and environmental conditions.

Indoor or outdoor - Here's the difference

Indoor and outdoor seeds differ primarily in the growing conditions they require to produce high-yielding crops. Many indoor varieties cannot be grown at all latitudes because they are not sufficiently weather resistant and would take too long to adapt.

Outdoor seeds usually grow a bit larger and taller due to the space available outside, and can reach a growing height of 2 to 3 meters. Their leaves are thinner and longer and the flower spikes are often a little less vigorous. Indoor cannabis plants, on the other hand, tend to be small, bushy and compact in size and their flowers often have a high THC content. They are usually much more sensitive to fluctuations in outdoor conditions such as temperature, humidity and lighting. Therefore, they need a constant environment to develop ideally.


Hemp seeds that are to be grown outdoors must have some special properties and characteristics in order to be optimally adapted to outdoor growth. Therefore, there are now some special breeds that are particularly well suited to the method of cultivation, even targeting a specific climate zone.

These are the characteristics that an outdoor plant must have

A hemp plant that is to be grown outdoors must be particularly resistant to external natural influences. In particular, the plant must be genetically prepared for the following factors:

  • Bad weather conditions such as rain, cold, ice and snow.
  • Irregular incidence of sunlight
  • Risk of mold growth
  • Risk of infestation by pests

Otherwise, the rule is that every cannabis plant loves the sun. In sunny, warm regions with a long summer period, cannabis plants grow best, because a Mediterranean climate represents the ideal condition for these plants. However, outdoor cannabis cultivation can also be successful in temperate zones - a warm summer plus low humidity are sufficient conditions. Colder regions in the north or regions with humid summers usually need specially bred varieties that are designed for exactly these conditions.

Flowering time

Outdoor cannabis plants usually start flowering towards the end of summer, as soon as the days become shorter. The exact time varies depending on the latitude, because the beginning of the flowering period is related to the number of hours of sunshine.

As a general rule of thumb, plants in the northern hemisphere begin to flower after the solstice in June, while in the southern hemisphere the flowering period does not begin until December, as the sunshine hours there decrease only slowly per day.


Depending on the genetics of the variety, the yield of the outdoor crop varies. Under perfect conditions, an outdoor cannabis plant can yield up to 2500 grams with room to grow. However, it must be noted that the plants are significantly larger and taller than indoor plants, resulting in a lower yield in relative terms. Often, changing outdoor conditions also cause much of the yield to be lost to bugs, mold, and weather events.

Ideal for beginners

Outdoor grow is the easiest method of growing cannabis because nature does a lot of the work and there are no energy costs. For successful outdoor cannabis cultivation, the most important thing is to choose the appropriate varieties, which are adapted to the local climate. For this, the respective descriptions of the varieties should be taken into account, which can usually be found on the packaging.

The best varieties for beginners

The best outdoor varieties for beginners are autoflowering varieties. They are quick and easy to grow. If there is plenty of sun at the location and the seeds are planted directly into the moist, nutrient-rich soil, they will usually grow on their own and can be ready for harvest in as little as three months.

Criteria for outdoor cultivation

The most important factor in outdoor cannabis cultivation is choosing the appropriate seeds that are compatible with the particular climate and environmental conditions. However, some other criteria should also be considered before cultivation.


The growing location for cannabis plants should offer as much sun as possible. A time should be chosen for planting when other plants in the garden also awaken from hibernation, for example, April or May.


For outdoor cultivation, varieties should be chosen that have been bred specifically for these conditions and are more resistant to the uncomfortable outdoor conditions. If cultivation takes place in colder climates, seeds should be chosen that have been genetically bred to withstand the atypical climate.

Optimal conditions

No matter where you grow the plants - hemp seeds should not be planted in the fall. At this time, the seeds are particularly susceptible to mold, and a frost can also cause the harvest to be diminished. As with normal gardening, the soil needs to be loosened and dug up a bit before planting. Dark, nutrient-rich humus soil is ideal - flins and loams, on the other hand, are less suitable for cultivation. Even there, the plant will thrive, but the yield will be lower. If necessary, the soil can be enriched with nutrients, for example, special fertilizer.

But no matter how good the outdoor conditions are for cannabis cultivation: You always have to expect losses when growing outdoors. The weather conditions are too unstable, and bugs, animals, diseases and mold can also lead to a loss of up to 50% of the yield. Therefore, the growing space should not be protected from wind under any circumstances, as this is important to prevent mold growth. An electric fence around the growing area will protect the plants from animals, and a wall will also help to keep prying eyes away.

What do I need for growing?

The growing space for outdoor seeds should be prepared a little before cultivation. On one square meter of growing space 1 seed should be planted - placing one seed in each corner. However, before planting the seed should have germinated and already have some roots and leaves, so that the plants are not exposed to unsteady conditions during the risky seedling phase.

The best outdoor varieties

Which varieties are specifically suitable for outdoor cultivation and produce great yields? Below we present a small selection of varieties that thrive outdoors.

Amnesia Lemon Fast Version

Amnesia Lemon Fast Version is a feminized cannabis strain created by crossing Skunk #1 and Amnesia Haze, combining the best characteristics of these plants. It offers a typical sativa high, although the genetics have indica characteristics, making it very easy to grow. She doesn't need a lot of nutrients nor is she unforgiving of certain growing mistakes.

Amnesia Lemon Fast Version has a shortened flowering time of just 7 to 8 weeks and grows up to one meter tall. The variety is also suitable for reduced growing areas, although it develops many flowers. Under optimal growing conditions, yields of up to 650 grams per plant can be achieved.

The effect of Amnesia Lemon Fast Version can be described as balanced, powerful and long-lasting. When consumed, it induces a psychedelic effect and a physical stoned, while exhibiting a highly complex flavor: Citrusy notes mix with fresh floral scent and fruity, spicy aroma.

CBD Gorilla Glue Fast Version

CBD Gorilla Glue Fast Version is a relatively new strain with hybrid genetics characterized by sativa dominance. It offers extremely high yields and a particularly pronounced resin production. Especially for medicinal use, the plant is suitable due to its high CBD content. Despite its potency, it has a shortened flowering time and an early harvest.

The plant grows particularly fast and vigorous and bears many flowers. Grown indoors as well as outdoors, the plant is a real yield wonder. It can grow up to 3 meters high in a sunny location and deliver up to 1200 grams per plant. It is particularly suitable for cultivation in Central Europe, as the Fast version is ready for harvest as early as mid-September.

The effect of CBD Gorilla Glue Fast Version is mood-lifting and relaxing at the same time. The THC content is not too dominant with 7% to 14% and optimally balanced by the CBD content with 12% to 14%. It tastes somewhat like chocolate, mixed with a forest note.

White Siberian Fast Version

White Siberian Fast Version is a hybrid of two of the most famous cannabis strains in the world. Its fruity, sweet aroma mixed with the premium indica effect makes the plant popular among many cannabis connoisseurs. The high THC content of 22% brings a strong effect and offers the well-known body stoned feeling when enjoyed, while still keeping the mind clear.

Outdoors, harvest occurs in late September and can yield up to 800 grams in ideal conditions. The plant is quite uncomplicated in cultivation and therefore perfectly suitable for beginners.

Skunky Rosetta Stone

Skunky Rosetta Stone scores with a shortened flowering phase and increased resin production. It is considered a very potent, earthy, sweet and fruity-smelling indica hybrid that also has citrusy notes.

The short flowering time of 7 to 8 weeks is enough for the plant to produce large amounts of resin and reach a THC content of 19% to 21%. The effect delivers a mix of the popular Body Stoned and Head High. The yield when grown outdoors can reach up to 500 grams per plant.

Frisian Dew

Frisian Dew is ideal for outdoor cannabis cultivation and grows well in moderate climates. The mix of indica and sativa genetics provides strong robustness and a smooth effect. The plant is suitable for outdoor cultivation mainly due to its high vigor and exceptional size. The good mold resistance and the low-maintenance nature complete the picture of the perfect outdoor cannabis strain.

The THC content of the plant is not particularly high at 10%, but it offers a convincingly strong high when enjoyed.

Jack 47 Fast Version

Jack 47 Fast Version is one of the strongest strains in Seeds66's assortment and scores with an extremely fast flowering. The strain is an extremely potent hybrid, which produces vigorous plants with heavy buds. The taste of this strain can be described as very sweet and fresh, spiked with a hint of lemon.

Tropicanna Poison Fast Version

Tropicanna Poison Fast Version stands out with its special red coloration. Due to its short flowering time, the variety is easy to grow and therefore suitable for beginners. It produces a large amount of flowers, and that even in northern areas such as Austria and Germany. Outdoors, one plant can produce up to 650 grams and offers a stimulating high with a physical stoned feeling. The plant is also a highlight in terms of taste: fruity, mango-like aromas paired with floral notes and noble woods give the strain a perfectly rounded flavor profile.

Candy Kush Express Fast

Candy Kush Express is considered unique among hybrid strains - both in terms of genetics and effects. The strain is known for a sweet taste and robust plants that form the perfect balance of sativa and indica. Due to its sedative effects, recreational smokers and people with sleep disorders especially appreciate the effects of the plant. The strain is also used to relieve pain and stress.

Outdoors, the plants reach a height of up to 1.7 meters. They can be successfully grown even by beginners.

Nimble Green

Nimble Green is considered a grower's favorite and thus brings some advantages: large yields, a short flowering period and a good resistance to diseases and mold make the plant ideal for beginners to start growing cannabis outdoors. In the flowering phase, Nimble Green develops huge buds and can deliver yields up to 800 grams per plant.

Taste-wise, the strain offers a sweet, fruity aroma with a gentle smoke. It has a stimulating effect on creativity as well as a relaxing and calming effect, making it a perfect strain for everyday use.

FAQ section

Which cannabis seeds for outdoors?

For outdoor cultivation of cannabis are especially suitable those varieties that have a high resistance and robustness to external influences such as temperature, humidity, rain and mold, as well as diseases and pests.

Which seeds for outdoor?

Depending on the climate zone and sunshine, different varieties are suitable for outdoor cultivation of hemp seeds. While just about all indoor and outdoor seeds can be planted in warmer, sunny regions, specially bred varieties that are genetically robust to the climate in question should be chosen for colder regions.

Is ordering hemp seeds punishable by law?

In Austria, ordering hemp seeds and also the possession is not punishable. The situation is different in Germany: As the only country within the EU, the trade with cannabis seeds is illegal in Germany.

How much yield does a cannabis plant produce outdoors?

If the plants are not damaged by external influences such as mold, pests and frost, you can get huge yields. Up to 3 kilograms per plant are not uncommon

Conclusion - Facilitated outdoor cultivation

Growing cannabis outdoors is ideal, especially for beginners, as good yields can be achieved without much effort. With the help of natural sunlight and rainwater, some energy and resources can be saved in contrast to indoor cultivation.

Nevertheless, when growing outdoors, always make sure to select seeds with the right characteristics, so that they are sufficiently resistant to external influences.