an unknown / legendary cannabis strain

Here you can find all info about the unknown / legendary cannabis variety R4. If you are searching for information about the unknown / legendary R4, check out our Basic Infos, Gallery, Lineage / Genealogy or Hybrids / Crossbreeds for this cannabis variety here at this page and follow the links to get even more information - or list all R4 Strains (±3) to find a different version. If you have any personal experiences with growing or consuming this cannabis variety, please use the upload links to add them to the database!

Basic Strain Info

R4 is a unknown variety from unknown origin and can be cultivated indoors and outdoors. .

What do we know about the unknown/legendary R4?

This strain was originally created and crossbred by the lead grower Kelly Roller at Greenwerkz Dispensary in Edgewater and Glenwood Springs, Colorado. Greenwerkz wanted to keep an open market when it came to this strain and generously distributed seeds free of charge to Medical Marijuana Patients and anyone who could prove they have a legitimate Medical Marijuana Busines.

Here you see the latest R4 photos, uploaded from our users! Altogether we've collected 2 pictures from R4, check out our R4 gallery to view them all.

R4 Lineage / Genealogy

Map of the R4 Family Tree

Click to show all parents of R4 in our dynamic family tree map.

R4 Hybrids & Crossbreeds

We found 14 direct descendants from R4 in the seedfinder strain database, here a short overview. To see all hybrids and their descendants, visit our R4 Genealogy Page and check out all the direct crosses as like as the following generations.

R4 x Unknown Strain
Dr. Dorian
R4 x Sister Wife
Speedy Soga 1:1
SOGA x {R4 x Unknown Ruderalis}
Dr. Acula
R4 x {Herrijuanna / Good_Medicine}
Tangier Kush
{(Unknown Strain Dude's Diesel x Pakistani Chitral Kush) x R4} x Tangie Hemp
Wyld Stallions CBD
R4 x Wildhorse
Old Dirty Bastard
R4 x Ron Jeremy
Shirley Temple
R4 x Cherry Kandahar
R4 ACDC cut x Canna-So-Hard

Map of the R4 Descendants

If you are with a big screen and not browsing with your mobile, check out our dynamic family tree map with all known hybrids of R4! (but this maybe will need some time to load all the data!)

Upload your info about this strain here:

Do you know something more about R4? Please help to make this database better and upload/connect your information here!


Pictures speak louder than words! Upload your "R4" Photos here and help other growers to get a better impression of this variety.


You have grown R4 together with another variety? Please fill out our Strain VS. Strain direct comparisation form!

User Reviews

Our strain reviews are multilingual, searchable and can be very detailed - including data about the grow, aroma, effects and taste! Please upload your R4 Review here to help the other seedfinder users!

Medical Values

You have experience with the medical qualities of R4? Sharing your information here maybe can help other people!


You've stumbled upon a R4 related thread into a forum or growers community? Connect it here and enable othe users to find this information fast and easy!


You found a related video with additional information or grow-infos about R4 on YouTube? Please connect it here to the strain info page!