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10 Best Cannabis Strains to Grow Indoors and Outdoors

By Kasey Craig
Published: April 2, 2021 | Last updated: April 25, 2021
Key Takeaways

Almost any strain can be grown indoors or outdoors, but some have characteristics that lend themselves better to one or the other. Kasey Craig gets you started in the right direction.

Depending on your cannabis growing goals and your location, choosing a marijuana plant based on its growing conditions makes sense. For example, you would want to keep a delicate plant indoors to prevent it from developing rot or to keep pests away. But, if it’s a tall and potent smelling plant, you’ll likely find growing it outdoors a better choice.

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In the content below, we’ll look at five strains ideal for growing indoors. Then, we’ll discuss five strains that make sense to grow outdoors. After your research, you can make the best choice for you based on the weed garden you want to create.


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Top 5 Cannabis Strains for Your Indoor Garden

If you live in a place with inclement weather, having an indoor cannabis garden makes the most sense. Or, if you live in an urban area, keeping your plants private could be ideal. After careful consideration, in our opinion, these are the top 5 strains to grow inside.

Flowering cannabis plant growing indoors - Girl Scout Cookies strainGirl Scout Cookies is one of the most potent strains of weed available.

Girl Scout Cookies

One of the most potent strains of cannabis, Girl Scout Cookies is an indica-dominant hybrid. Indoors, the plant produces flowers in nine to 10 weeks. While the yield isn’t the largest, the high is worth the effort.

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Girl Scout Cookies will give you a short to medium height plant with sturdy branches. Plus, growing indoors gives you the option to drop the temperature. A cooler temp with these plants will provide you with a purple color and rich density buds with crystallization.

Girl Scout Cookies is very resistant to mildew and pests. This plant will grow well in hydroponics or soil. Most importantly, you’ll want a stress-free space for your plant to branch out. Unless you live in a Mediterranean climate, growing Girl Scout Cookies indoors is your best bet.

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Read also: 5 Cannabis Strains that Could Be Huge in 2021

Flowering cannabis plant - Afghan Kush strainAfghan Kush is prized for its heavy resin production.

Afghan Kush

Pure indica, Afghan Kush loves a climate that mimics a European summer. The plant only takes around seven to eight weeks to flower, and you can expect a yield of about 16 ounces per 10 square feet when growing indoors. Also, Afghan Kush is highly resistant to molds, parasites, and pests. You can expect this to be easy to grow in soil or a hydroponic system.

Flowering cannabis plants growing inside a grow tent - Gorilla Glue #4 strainGorilla Glue #4 strain is known for its intense potency.

Gorilla Glue #4

Gorilla Glue #4 can yield about 18 ounces for 10 square feet when grown indoors, and this strain only takes about eight to nine weeks to flower. The plants can grow in a warm sunny outside garden, but you can reap the benefits of a dank indoor harvest without risking them in outdoor conditions.

Flowering cannabis plants - White Widow strainWhite Widow is the perfect strain to relax and unwind.

White Widow

White Widow is a sativa-dominant hybrid that is easy to grow and is a top pick for beginners. The plant reaches a medium height and can yield around 18 ounces per 10 square feet when grown indoors.

White Widow flowers in eight to nine weeks. While you can grow this plant outside, we recommend that you grow White Widow indoors in a controlled setting. You can grow in either soil or hydro, but a hydroponic setup will surpass your harvesting expectations.

Flowering marijuana plant - Kandy Kush OG StrainKandy Kush OG will lift your mood and leave you relaxed.

Kandy Kush OG

Kandy Kush OG has a moderate to high yield with a flowering time between 65 to 75 days. The plant is mold-resistant and grows well in cooler climates. It’s a splendid blend of OG Kush and Trainwreck. When growing indoors, it’s best to use the Screen of Green (SCROG) method.

Read also: The Basics of Breeding Your Own Cannabis Strains

Top 5 Cannabis Strains for Outdoor Growing

There are many reasons for growing cannabis outside. It’s more environmentally friendly, you can yield more buds, it’s much cheaper, and outdoor buds develop a distinct flavor. When looking to grow outdoors, you likely want a large plant that gives you a maximum yield. Below you’ll find the top 5 marijuana plants to grow outside.

Flowering cannabis growing outdoors - Northern Lights strainNorthern Lights is one of the most popular cannabis strains out there.

Northern Lights

If you’re looking to grow a tree-sized cannabis plant, Northern Lights can grow more than 6.5 feet outdoors. The plant will thrive most in a sunny and warm environment. Like many strains, the Mediterranean climate is best for this plant to flourish.

Northern Lights is a hardy, pest-resistant plant that is pretty easy to grow. The strain takes about seven to nine weeks to flower.

Weed plants growing outdoors - Swazi Gold strainSwazi Gold is know for its high outdoor yields.

Swazi Gold

Swazi Gold is pure sativa that may take 12 to 14 weeks to flower and has the ability to grow quite big. Aside from the high level of attention necessary to grow Swazi Gold, the sheer number of buds you can produce is worth all the love and effort. You can expect more than 25 ounces per plant!

Marijuana plants growing outdoors - Durban Poison strainDurban Poison is a popular strain for concentrates due to its large resin glands.

Durban Poison

You need to grow Durban Poison outdoors if you want your plant to reach its full potential. The warm sunlight is ideal for your plant, and the being outside gives the plant room to spread its branches. You can expect your plant to tower to more than seven feet tall.

Durban Poison is resistant to pests and common molds.

Flowering cannabis plants growing outdoors - Blue Dream strainBlue Dream is one of California’s most famous strains.

Blue Dream

Perfect for cultivating outside, you can expect an impressive yield with little effort. Blue Dream is a true dream for growers in a subtropical or Mediterranean climate. You can expect more than 20 ounces per plant, and your plant could grow higher than 13 feet tall. Also, Blue Dream may be one of the easiest strains to grow outdoors, especially for novice growers.

Weed plants growing outdoors - Alaskan Thunder Fuck strainAlaskan Thunder Fuck is know for its uplifting, clear-headed buzz.

Alaskan Thunder Fuck

Let’s face it, Alaskan Thunder Fuck is a pretty awesome strain name. Nothing will compare to growing Alaskan Thunder Fuck outside. The plant does well in a cooler northern climate and can produce a massive yield. When grown outdoors, you can get more than 30 ounces per plant. While this is a cold-weather strain, you’ll still want plenty of sun exposure and food to encourage healthy growth.

Also, if you grow this plant in a trench, it will help keep the roots warm. Flowering time is about nine to 10 weeks.

Keep in mind, you can grow any indoor strain outdoors, and you can grow outdoor strains indoors. You’ll want to make sure you have the right spacing, lighting, food, and watering needs for the plant you’ve chosen. With the internet available at our fingertips, you have the resources and information to try anything you want. Whether you’re an expert or novice grower, there is always something to learn about maximizing your yield.

Read next: Lockdown Love: Top 5 Home-Grown Strains in North America in 2020

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Written by Kasey Craig | Senior Content Writer at MedicareFAQ

Profile Picture of Kasey Craig

Kasey Craig is a Senior Content Writer at MedicareFAQ. She has a wealth of knowledge on the topics of alternative medicine, insurance, travel, money, saving and more. She is working towards getting her bachelor’s degree in English from the University of South Florida. Kasey is passionate about her writing and it reflects through her content.

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