How to Grow Cannabis in Your Back Garden

Learn how to grow cannabis in your back garden with tips on soil, strain selection, fertilizing, pest control and more for a successful outdoor grow.

How to Grow Cannabis in Your Back Garden

Before discussing the essentials of growing cannabis outdoors, one must consider various factors necessary for successful cultivation in a backyard garden. This guide will provide a comprehensive look into the fundamentals of cultivating cannabis outdoors, equipping you with all the information needed for a successful yield.

We'll begin by discussing soil preparation and selecting suitable strains for outdoor marijuana growth. Next, we'll explore effective fertilizing and watering techniques to ensure your cannabis plants receive optimal nutrients throughout their life cycle.

Moreover, our guide will cover essential pest control measures as well as creating a discreet grow area that keeps your endeavor hidden from prying eyes. Additionally, we'll provide odor control strategies to minimize any unwanted attention while cultivating your plants.

At the conclusion of our tutorial on cultivating cannabis in your backyard, we'll delve into harvesting and curing techniques so that you can savor the results with assurance.

Table of Contents:

Soil Preparation for Cannabis Growing

Growing cannabis in your backyard garden starts with preparing the soil to create an optimal environment for your plants. The right soil conditions will ensure healthy growth and a bountiful harvest. This article will cover the key elements of soil prep, such as pH levels, nutrient needs and how to modify your garden dirt.

pH Levels: Finding the Sweet Spot

The ideal pH for cannabis growth lies somewhere in the 6.0-7.0 range, a sweet spot that allows roots to absorb nutrients from the soil optimally. This range allows the plant's roots to absorb nutrients effectively from the surrounding soil. To determine your current soil pH level, you can use a simple soil testing kit.

  • If your soil is too acidic (below 6.0), you can add lime or wood ash to raise its pH.
  • If it's too alkaline (above 7.0), consider adding sulfur or peat moss to lower it.

Remember that adjusting pH levels takes time; therefore, make these amendments several weeks before planting.

Nutrient Requirements: Feeding Your Plants Right

To ensure proper growth, cannabis plants need macronutrients like nitrogen (N), phosphorus (P) and potassium (K), as well as micronutrients such as calcium, magnesium and iron. To ensure your soil has the necessary nutrients, consider adding organic matter such as:

  • Compost: A rich source of nutrients that also improves soil structure and water retention.
  • Worm castings: Packed with beneficial microorganisms that help break down organic material into plant-available forms.
  • Bat guano: High in nitrogen and phosphorus, making it an excellent fertilizer for cannabis plants during both vegetative and flowering stages.

In addition to these amendments, you can also use a balanced N-P-K fertilizer specifically designed for cannabis cultivation. Be sure to follow the manufacturer's instructions on application rates and frequency.

Amending Your Garden Soil

If your existing garden soil is not ideal for growing cannabis - perhaps due to poor drainage or lack of nutrients - don't worry. You can improve its quality by amending it with various materials like perlite or vermiculite (for better drainage) or coco coir (to increase water retention). Mixing these components into your native soil will create a more suitable environment for healthy root development.

Proper soil preparation is essential for successful cannabis growth. Deciding on the ideal variety of cannabis to cultivate in your outdoor space can be a difficult challenge, yet with proper study and preparation it will prove beneficial.

Selecting Suitable Strains

When it comes to cultivating cannabis in your garden, picking the ideal strains is indispensable for a prosperous yield. When selecting strains, it's essential to consider the local climate and conditions. Here are some tips to help you pick the perfect strain:

  • Climate compatibility: Make sure to choose strains that thrive in your specific climate. For example, if you live in an area with short summers and cold winters, opt for fast-flowering or auto-flowering varieties like Northern Lights, which can handle colder temperatures.
  • Mold resistance: High humidity levels can lead to mold growth on cannabis plants, especially during the flowering stage. To minimize this risk, consider selecting mold-resistant strains such as Durban Poison.
  • Growth characteristics: Some cannabis plants grow tall and lanky while others remain short and bushy - keep this in mind when planning your garden space. If you have limited room or need a more discreet setup, look into compact indica-dominant varieties like Afghan Kush.
  • Potency preferences: Depending on what kind of high you're after (relaxing vs energizing), make sure to choose either indica- or sativa-dominant strains. Indicas typically produce a more relaxing, body-focused high, while sativas are known for their uplifting and cerebral effects.

Some popular strains that have proven to be great choices for outdoor growing include:

  1. Blue Dream - A sativa-dominant hybrid with high yields and mold resistance.
  2. Girl Scout Cookies - A potent indica-dominant strain that thrives in various climates.
  3. Gorilla Glue #4 - Known for its sticky resin production and impressive potency, this strain is also relatively easy to grow outdoors.
  4. Pineapple Express - This fast-flowering sativa offers a tropical flavor profile and good resistance to pests and diseases.

For an even better fit for your particular situation, consider looking into lesser-known or regional varieties. Local breeders often develop strains specifically adapted to the regional climate, making them excellent options for backyard growers like yourself.

Fertilizing and Watering

Proper fertilization and watering are essential for the healthy growth of your cannabis plants. In this section, we'll discuss how to provide the right nutrients and water to ensure optimal growth and yield.

Nutrients for Cannabis Plants

Cannabis plants need three primary macronutrients, namely nitrogen (N), phosphorus (P), and potassium (K) - as indicated by the N-P-K ratios on fertilizer packages. These macronutrients are usually represented as N-P-K ratios on fertilizer packages. A 10-5-5 fertilizer holds a balance of nitrogen, phosphorus and potassium at 10%, 5% and 5% respectively. Calcium, magnesium, iron and zinc are also essential micronutrients that should be supplied in lesser quantities.

During the vegetative stage of growth (Grow Weed Easy - Vegetative Stage), cannabis plants need higher levels of nitrogen than during flowering. A good ratio to use is a balanced N-P-K formula like a 20-20-20 or slightly higher in nitrogen like a 30-15-15 mix.

In contrast, during the flowering stage (Grow Weed Easy - Flowering Stage), you'll want to switch to lower-nitrogen formulas with more phosphorus and potassium that promote bud development—something like an N-P-K ratio of 10-30-20 works well.

Watering Your Cannabis Plants

  1. Maintain proper soil moisture: Overwatering can lead to root rot while underwatered plants may suffer from nutrient deficiencies. To check the soil moisture, stick your finger about an inch into the soil. If it feels dry, it's time to water.
  2. Water deeply: Ensure that you're watering your plants thoroughly so that the entire root system is saturated. This encourages deep rooting and better nutrient uptake.
  3. Avoid wetting leaves: Wet foliage can lead to mold or mildew issues. Water at the base of the plant rather than from above.

You may also consider using a drip irrigation system which provides consistent moisture while conserving water and reducing labor involved in hand-watering.

Mulching Your Garden Bed

To help conserve moisture in your garden bed, consider adding a layer of mulch around your cannabis plants. Mulch helps retain water by slowing evaporation and preventing weed growth competing for nutrients and water resources with cannabis plants. Organic materials like straw, wood chips, or shredded leaves work well as mulches for cannabis gardens.

Pest Control Measures

Protecting your cannabis plants from pests is crucial for a successful backyard grow. There are several natural and chemical methods to keep these unwelcome visitors at bay. This piece will provide helpful techniques to help maintain a pest-free environment in your garden.

Natural Predators

An effective way to manage garden pests is by introducing their natural predators into the environment. This method not only helps maintain a balanced ecosystem but also reduces the need for harmful chemicals. Some common beneficial insects include:

  • Ladybugs, known for their vibrant colors, are adept predators of aphids, mites and other soft-bodied insects.
  • Green Lacewings: Their larvae devour various pests such as aphids, whiteflies, and thrips.
  • Parasitic Wasps: They lay eggs inside or on top of host insects like caterpillars or beetle larvae, eventually killing them when the wasp larva hatches and feeds on its host.
  • Praying Mantises: These fascinating creatures prey upon a wide range of insect species including flies, moths, grasshoppers, and crickets.

Diatomaceous Earth (DE)

A non-toxic option for pest control is using diatomaceous earth (DE), a natural powder made from the fossilized remains of diatoms. When applied to your plants, DE works by damaging the exoskeleton of insects, causing them to dehydrate and die. Make sure you use food-grade DE and reapply after rain or watering.

Neem Oil

Neem oil, extracted from neem tree seeds and used as an organic pesticide, can be applied to cannabis plants every 7-10 days to prevent pests like spider mites, aphids, whiteflies and fungus gnats. Mix neem oil with water according to package instructions and spray it on your cannabis plants every 7-10 days for effective pest control.


If natural methods aren't enough to keep pests at bay, consider using chemical pesticides designed specifically for cannabis cultivation. Always follow label instructions carefully when applying these products and avoid using them during flowering stages if possible since they may affect bud quality.

Remember that prevention is better than cure; maintaining good garden hygiene practices such as removing dead leaves or debris will help minimize potential infestations in your backyard grow area.

Creating a Discreet Grow Area

To ensure secrecy, here are some helpful hints for setting up a concealed growing area that will let your plants flourish without being noticed.

Choose the Right Location

The first step in creating a discreet grow area is selecting the right location within your garden. Consider these factors when choosing where to plant:

  • Sunlight exposure: Cannabis plants require plenty of sunlight for optimal growth, so choose an area with at least six hours of direct sunlight per day.
  • Visibility: Opt for spots that are not easily visible from neighboring properties or public areas. This may mean planting near fences, walls, or tall shrubs.
  • Airflow: Good airflow is crucial for healthy cannabis plants and helps prevent mold and mildew issues. Avoid overly sheltered locations where air circulation may be limited.

Camouflage Your Plants

To further ensure discretion, consider camouflaging your cannabis plants among other vegetation in your garden. Here are some suggestions on how you can do this effectively:

  1. Companion planting: This involves growing other plant species alongside your cannabis plants that help mask their appearance and scent. Some popular companion plants include marigolds, lavender, basil, and tomatoes.
  2. Trellises or cages: Use trellises or tomato cages to help support your cannabis plants while also blending them in with other climbing or bushy plants.
  3. Plant height management: Train and prune your cannabis plants regularly to keep their height under control. Techniques such as topping, low-stress training (LST), and the Screen of Green (ScrOG) method can be used for this purpose.

Maintain Odor Control

To prevent detection of your cannabis plants, manage their strong odors effectively. To minimize odors from your discreet grow area:

  • Select strains that produce less pungent aromas, such as Northern Lights or Blue Mystic.
  • Use organic mulch around the base of your plants to help absorb some of the smell.
  • Consider planting aromatic herbs like mint, basil, or lavender nearby to mask the scent further.

By following these tips and being mindful of discretion throughout every stage of cultivation, you'll be well on your way to creating a successful backyard garden where you can enjoy growing cannabis without drawing unwanted attention.

Odor Control Strategies

To keep things discreet and maintain good relations with those around you, it's essential to implement effective odor control strategies. Here are some tips on how to minimize the smell of your outdoor cannabis grow:

Choose Low-Odor Strains

Selecting strains with a less pungent aroma is an excellent first step towards controlling odors. Some cannabis varieties produce fewer terpenes, which are responsible for the plant's distinct smell. For example, Northern Lights and Blue Dream are known for their relatively low odor levels compared to other strains.

Plant Companion Plants

Companion planting, or growing other plants alongside your cannabis, can help mask its scent by providing competing aromas. Strong-smelling herbs like lavender, rosemary, and mint work well as they not only camouflage the smell but also have pest-repellent properties.

List of companion plants:

  • Lavender: repels pests and masks odor.
  • Rosemary: deters insects while camouflaging scent.
  • Mint: helps deter rodents and provides cover scent.
  • Basil: repels mosquitoes and flies while providing a strong aroma.

Use Carbon Filters or Odor Neutralizers

If you're growing cannabis in a greenhouse or enclosed space, consider using carbon filters to remove odors from the air. These filters contain activated carbon that absorbs smells before they can escape into the surrounding environment. Alternatively, you can use odor neutralizing products like ONA Gel, which release pleasant-smelling compounds to mask cannabis odors.

Prune and Train Your Plants

Maintaining your plants through regular pruning and training techniques such as Low-Stress Training (LST), topping, or fimming helps control their size and shape. Smaller plants produce less odor than larger ones due to fewer flowers emitting terpenes. Additionally, proper airflow around your plants will help disperse any lingering scents more effectively.

Incorporating these strategies into your backyard cannabis grow will significantly reduce the risk of unwanted attention due to strong odors. By being proactive about controlling smell, you'll ensure a discreet cultivation experience while maintaining harmony with neighbors and passersby alike.

Harvesting and Curing Cannabis

Harvesting and curing cannabis correctly requires knowledge of the optimal timing for harvesting, which this section will provide guidance on. In this section, we'll provide a comprehensive guide on harvesting and curing cannabis correctly.

Identifying the Right Time to Harvest

The first step in harvesting cannabis is determining when your plants are ready. This can be done by examining the trichomes on the buds using a jeweler's loupe or microscope. Trichomes are tiny resin glands that contain cannabinoids like THC and CBD. When most trichomes have turned from clear to milky white with some amber ones mixed in, it's time to harvest.

Trimming Your Buds

Before drying your harvested buds, trim away any excess leaves surrounding them. Use clean scissors or shears for trimming as dirty tools can introduce bacteria into your buds. Make sure you wear gloves while handling freshly harvested buds because they're sticky due to high resin content.

  1. Dry Trim: Some growers prefer waiting until after their buds have dried before trimming off excess leaves; this method allows more even drying since moisture gets trapped between bud sites during initial stages of drying.
  2. Wet Trim: Others choose wet trimming where they remove fan leaves right after cutting down branches; doing so speeds up overall drying time but may result increased risk of mold if not monitored closely enough during early stages of curing process.

Drying Your Cannabis Buds

Properly drying your cannabis buds is crucial for preserving their potency and flavor. Hang the trimmed branches in an airy, shadowy area with a temperature of around 60-70°F (15-21°C) and humidity levels between 45% to 55%. This process usually takes about one to two weeks. Make sure there's enough space between each branch to allow proper air circulation.

Curing Your Cannabis Buds

Once your buds are dry, it's time for curing - an essential step that enhances the taste and aroma of your cannabis while also reducing harshness when smoked or vaped. Follow these steps:

  1. Trimming: If you opted for dry trimming earlier, now is the time to trim off any remaining excess leaves from dried buds.
  2. Jarring: Place trimmed buds into clean glass jars with airtight lids; fill jars up about three-quarters full so there's room left inside jar allowing air exchange during curing process.
  3. Burping Jars: For first week or two after jarring, open jars daily (also known as "burping") letting fresh air replace stale air trapped within jar; this helps prevent mold growth by releasing moisture built up inside container due high resin content found on freshly harvested bud surfaces.

The entire curing process can take anywhere from four weeks to several months depending on personal preference but remember patience pays off - properly cured cannabis offers smoother smoke/vape experience along improved flavors compared uncured counterparts.

Frequently Asked Questions How to Grow Cannabis in Your Back Garden

Can I grow cannabis in my back yard?

Yes, you can grow cannabis in your backyard as long as it is legal in your area. Ensure that you have a suitable space with adequate sunlight and proper soil conditions. Additionally, consider local regulations regarding plant count and proximity to public spaces or neighbors.

How many cannabis plants in a 4x4 raised bed?

In a 4x4 raised bed, it's recommended to grow four cannabis plants for optimal growth and yield. This allows each plant enough space for root development and access to sunlight while minimizing competition for resources.

How many weeks does it take to grow cannabis outdoors?

Growing cannabis outdoors typically takes between 14-20 weeks from seedling stage until harvest time. The exact duration depends on the strain, growing conditions, and desired maturity level of the buds at harvest.

How long should a cannabis plant stay in vegetation?

A healthy outdoor-grown marijuana plant should remain in its vegetative state for about 6-8 weeks before transitioning into flowering phase. However, this timeframe may vary depending on factors such as strain genetics and environmental conditions.


Gardening cannabis in your own backyard is an ideal way to experience the advantages of this herb without having to go through dispensaries or other suppliers. With proper soil preparation, selecting suitable strains, fertilizing and watering correctly, pest control measures and creating a discreet grow area you can ensure that your plants are healthy and safe from pests. Furthermore, using odor control strategies will help keep your growing space private while harvesting and curing properly will give you the best possible results for your homegrown crop. So if you're looking to get started with outdoor cultivation then don't forget – start by planning out how to grow cannabis in your back garden.