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Indoor Cannabis Seeds
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Cannabis strains suited to an indoor environment are bred to do well in controlled spaces where height, airflow and light can be managed. Most come from indica or compact hybrid genetics that stay short and bushy.
A lot of these trace back to Afghan, Thai and other landrace roots that naturally produce smaller, denser plants.
Read MoreWhat makes these strains indoor
These strains share a few key traits that come straight from their genetics. Indica-heavy varieties and compact hybrids naturally grow shorter and bushier.
Many of them come from Afghan and Thai landrace lines that evolved in mountains or tropical areas where staying compact was a real advantage. Sativa-leaning hybrids tend to stretch.
Standout examples of indoor-friendly strains
Northern Lights is one of the best-known of these. This indica-heavy hybrid comes from Afghan and Thai landrace roots and stays compact, usually hitting three to four feet.
It flowers in about eight to nine weeks and shrugs off common pests and mould. White Widow is another classic. It flowers in roughly eight weeks and has been a staple for decades.
Blue Dream mixes Blueberry and Haze genetics to create a sativa-leaning hybrid that gets taller but brings fruity, zesty flavours and has become a go-to for collectors after a balanced hybrid.
Girl Scout Cookies is a hybrid famous for its sweet and earthy flavour. It produces medium-sized, bushy plants. OG Kush is a classic indica with short, bushy growth.
Zkittlez shows off a sweet, tropical scent and purple touches, while Wedding Crasher is an indica-leaning hybrid with short, dense buds and purple tones throughout.
Banana Kush is an underrated indica-leaning strain that can produce dark purple buds. Kosher Kush stays compact, flowering in nine to ten weeks with dense bud production.
Autoflowering strains have also become popular. Auto LSD is an indica-heavy autoflower that's highly resistant to disease and mould, completing in about twelve weeks.
Auto Gorilla Cookies is a best-selling autoflower. Auto Skywalker is a powerful sativa autoflower that matures in twelve weeks with sticky, thick buds. Purple Haze is a beautiful purple sativa. Big Bang Autoflowering is a compact, bushy autoflower.
Orange Sherbet Auto delivers citrusy flavour notes of orange, candy and sherbet, while White Rhino Automatic crosses White Widow, Maple Leaf Indica and ruderalis genetics to deliver woody, spicy and aromatic notes.
Indoor Frequently Asked Questions
Strains suited to indoor spaces usually grow short and bushy, flower within a predictable window, and come from genetics that naturally produce compact plants. Indica-heavy varieties and certain hybrids make up this section.
Northern Lights, OG Kush, Girl Scout Cookies and Wedding Crasher are all compact strains. Autoflowers like Big Bang Autoflowering and Auto LSD are also popular.
There are some sativa-heavy hybrids, such as Blue Dream and Purple Haze. But sativas mostly get taller than indica-heavy varieties.
Feminised seeds produce only female plants. They are by far the most popular variety.
Most indoor-friendly strains flower within eight to eleven weeks. Autoflowering varieties complete their entire lifecycle from seed in roughly twelve to fourteen weeks.
Northern Lights shrugs off common pests and mould, while Auto LSD is highly resistant to disease and mould.
Indoor-friendly strains offer a wide range of flavours, from the sweet and tropical notes of Zkittlez to the sweet and earthy flavours of Girl Scout Cookies, the citrusy punch of Orange Sherbet Auto, and the woody, spicy notes of White Rhino Automatic.
Autoflowering strains have been bred to complete their lifecycle quickly and don't need changes in light cycles to trigger flowering.
Northern Lights, White Widow, OG Kush and Blue Dream are all considered classics for indoor collections thanks to their reliable genetics, manageable stature and long-standing popularity among seed collectors.
Collectors look for strains with compact growth, predictable flowering periods and stable genetics. Indica-heavy varieties and feminised seeds are often the most popular choices.