Jack Frost is a balanced hybrid cannabis strain usually described as a cross of White Widow and Northern Lights #5, known for a sweet, woody, lemony aroma and an uplifting, creative high. The breeder is not documented, and one database lists a different second parent. Typical THC runs around 20% to 23%.
Jack Frost Strain at a Glance
| Type | Balanced hybrid |
|---|---|
| Lineage | White Widow × Northern Lights #5 |
| Breeder / origin | Not documented |
| THC | 20–23% (typical lab range) |
| CBD | Under 1% |
| Dominant terpenes | Terpinolene, Myrcene, Beta-caryophyllene |
| Aroma and flavor | citrus, lemon, earthy, sweet, pine, woody |
| Reported effects | euphoric, creative, energetic, happy |
| Best for | daytime use, creative projects, low-mood days |
Where Jack Frost Comes From
The most common description of Jack Frost is White Widow crossed with Northern Lights #5, and AllBud repeats it. Leafly’s description says the same, but its genetics tree lists White Widow and Jack Herer as the parents, so the second parent is a real point of disagreement. Leafly’s lab-style terpene data, led by terpinolene, fits Jack Herer better than Northern Lights, which tends to be myrcene-heavy, but that is an observation and not proof.
No breeder or release date is documented. Leafly lists Blue Frost as an offspring. Because several unrelated cuts circulate under similar names, check the lab label.
Jack Frost Effects: What It Feels Like
Users describe Jack Frost as a happy, creative, energetic strain. Leafly readers report euphoria and uplift, and AllBud adds focus and relaxation, which fits a balanced hybrid. The description is more head than body, and many people use it in the daytime.
The festive name suits the mood, but the THC is above average, at about 20% to 23%, so newcomers should start low. Paranoia and dry eyes are the usual complaints at higher doses.
Jack Frost Terpenes, Aroma and Flavor
Jack Frost smells sweet and woody with citrus and lemon, and a mild skunky or earthy note. The flavor profile follows: pine, citrus, wood and sweetness. One reviewer described an earthy lime taste.
Leafly reports terpinolene as the lead terpene, followed by myrcene and caryophyllene. Terpinolene is associated with fresh, piney, citrus-herbal aromas.
- Terpinolene: fruity, piney and herbal, common in classic sativas
- Myrcene: earthy, musky and herbal, also found in mango and hops
- Beta-caryophyllene: peppery and spicy, also found in black pepper and cloves
Terpene levels vary from grower to grower and batch to batch, so check the lab label on the package. Learn more in our guide to cannabis terpenes.
Side Effects and How to Use Jack Frost
Dry mouth and dry eyes are the most common side effects, with paranoia reported at higher doses. Start small and avoid heavy use if you are prone to anxiety.
How strong Jack Frost feels depends on the batch, your tolerance and how you consume it. Start low, go slow, and read our guide to dosing cannabis.
Do People Use Jack Frost for Medical Reasons?
Leafly readers mostly mention stress, depression and anxiety, with some saying they use it for pain or PTSD. These are anecdotal reports, not medical advice.
These are user reports, not clinical findings. For what research actually supports, see our cannabis health and research section, and talk to your doctor before using cannabis for a health condition.
Strains Like Jack Frost
- White Widow: the shared parent, known for balanced, resinous flower
- Northern Lights: the other commonly reported parent line
- Jack Herer: the alternative parent in Leafly’s tree, with the same pine and citrus
- XJ-13: another terpinolene-forward, citrus and pine strain
Browse more hybrid strains, the full strain directory, or our guide to cannabis strains.
Where to Buy Jack Frost in Washington and Oregon
Dispensary menus change every week, and Jack Frost may be sold under its own name, as a cross or as a pre-roll or vape. The fastest way to find it is to check store menus online before you go. In Seattle, browse Seattle dispensaries and check the menus at stores like The Bakeree Belltown and Kings Cannabis Dispensary. In Medford, browse Medford dispensaries and check the menus at stores like Oregon Farmacy and Emerald Triangle Downtown. You can also browse every licensed store in Washington and Oregon. Adults 21 and older can buy with a valid photo ID; see cannabis laws by state for purchase limits.
Jack Frost FAQ
Is Jack Frost indica or sativa?
Jack Frost is a balanced hybrid. AllBud lists it as 50/50, and Leafly calls it a hybrid with energizing effects.
What is Jack Frost a cross of?
Usually White Widow and Northern Lights #5. Leafly’s genetics section instead lists White Widow and Jack Herer, so sources disagree.
How strong is Jack Frost?
Reported THC is about 20% to 23%, which is above average.
What does Jack Frost taste like?
Sweet and woody with pine, citrus and a hint of lemon.
Who bred Jack Frost?
The breeder isn’t documented in the sources we checked.
For adults 21+ in legal states. Strain information reflects breeder descriptions, lab data and user reports; effects vary by person and batch. Not medical advice.
