Double Jam

Double Jam is a 100% sativa variety created from two landrace Jamaican cannabis strains: Jamaican Lambsbread x Jamaican Blue Mountain, available from now in AlchimiaWeb's regular seed collection.

The first strain is an old school Jamaican line coming from the 60's, the Lambsread, a ganja variety that according to legends, was Bob Marley and Peter Tosh's delight. This line has been kept by the Vibe Collective, a collective of growers that has reproduced Lambsbread to get an IBL line, which in its turn has been grown, selected and bred by Underground Seeds

The Jamaican Lambsbread mother chosen for this project shows beautiful purple colors and strong vegetative vigor, multiplying its size per 20 while flowering, and needing 18-22 weeks of flowering to get ripe. Its effect is electric and energetic, with a very fruity and spicy taste.

The second Jamaican line used for this project is more recent, from the 80's: Jamaican Blue Mountain, preserved since then by Cannabiogen seedbank . More compact and quick to flower, it needs 14 weeks of flowering, developing huge buds with sweet strawberry flavour, a bit woody, and a stimulating and electric effect.

Double Jam cannabis strain growing

Double Jam shows a strong vigor, a remarkable yield and shiny purple colors on some plants. Variations can be seen between the different phenotypes; on their flowering period (from 14 to 20 weeks), structure, stretching, and flower development. However, Double Jam plants present common characteristics, like heavy yields and an energetic, uplifting and long lasting effect.

Double Jam flavour varies according to each phenotype, from spicy to more fruity or woody aromas.

Due to the vegetative vigor, long flowering period and powerful effect produced by Double Jam, this variety is not recommended for beginner cannabis growers.

Double Jam from Underground Seeds Collective features:

• Genetics: Jamaican Lambsbread x Jamaican Blue Mountains
• Type: Regular
• 100% sativa
• Indoor flowering: 14 to 20 weeks
• Outdoor Harvest: mid November
• Indoor Yield: high
• Outdoor yield: high