How to Grow Frosty Blue OG
Frosty Blue OG is a feminized, indica-dominant hybrid prized for its frosty, resinous buds and a happy, deeply relaxing high. It carries a medium 18–20% THC, a cheese, fruity and pine flavor, and a euphoric, happy, relaxed effect on a sturdy, heavy-yielding plant with elite Jack Frost and Blue Monster heritage.
Bred from Jack Frost crossed with Blue Monster, Frosty Blue OG is a 60% indica, 40% sativa feminized strain with a rich background. Jack Frost brings White Widow and Northern Lights genetics for resin and potency, while Blue Monster adds G13, Blueberry and Northern Lights, giving you a frosty, dense plant that balances a euphoric lift with a comfortable body relaxation.
Recommended Strains
Frosty Blue OG
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THC | 18% - 20% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 60% Indica / 40% Sativa |
Frosted Guava
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THC | 20% - 22% (Medium) |
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Type | Feminized |
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Yield | Medium |
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Phenotype | 65% Indica / 35% Sativa |
Because it is sturdy, resinous and a genuinely heavy producer, Frosty Blue OG is a rewarding grow. You can see the full genetics and buy Frosty Blue OG feminized seeds on the strain page, and browse more of our indica seeds alongside it.
Strain Profile at a Glance
| THC | 18–20% (medium) |
|---|---|
| Lineage | Jack Frost x Blue Monster |
| Type | Feminized |
| Genetics | 60% Indica / 40% Sativa |
| Climate | Temperate |
| Flowering time | 8–10 weeks |
| Harvest | October |
| Height | 4.92 ft / 1.5 m |
| Yield indoor | 1.64–1.8 oz/ft² (500–550 g/m²) |
| Yield outdoor | 29.98–31.75 oz/plant (850–900 g/plant) |
| Grow difficulty | Beginner-friendly |
| Flavors | Cheese, Fruity, Pine |
| Effects | Euphoric, Happy, Relaxed |
Promos & Deals
Climate and Where to Grow It
Frosty Blue OG does best in a temperate climate with plenty of light and good airflow. It is a sturdy, adaptable plant that performs both outdoors in a warm season and in a controlled indoor tent, reaching a medium 1.5 m, so it fits most spaces without demanding a tall room as it moves into flower.
Outdoors it finishes around October and can reward a good spot with a very heavy 850–900 g per plant, while indoors it produces a strong 500–550 g/m². Those outdoor numbers are generous, but they depend on light, root space and a healthy canopy, so give it room and feed it steadily to get the most from it.
Indoors, aim for daytime temperatures around 70–82°F (21–28°C) and keep steady airflow moving through the canopy. Cooler nights late in flower can help bring out its frosty, bluish tones. Its dense, resin-heavy indica buds hold moisture, so keep humidity in check as flowering fills in and support the branches as the colas swell.
Growing Feminized Photoperiod Seeds
As a feminized strain, every seed grows into a flowering female, so there is no need to sex the plants or remove males. That keeps the grow simple and means no wasted time or tent space on plants you would only cull later, which is part of why Frosty Blue OG stays beginner-friendly.
Being a photoperiod plant, it flowers on a light change rather than on age. Grow it under a long day (around 18 hours of light) through the vegetative stage, then switch to a 12/12 cycle to trigger flowering. A longer veg builds a bigger frame and a heavier harvest, while a shorter veg keeps the plant more compact in a small space.
Feeding Schedule (EC Guide)
This is a resinous, productive indica that sets dense, sticky buds, so feed it steadily but without overdoing it. Start low, build up as the plant asks for more, and taper right off for the final flush so the cheese, fruity and pine notes come through clean and the smoke finishes smooth.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4–0.6 | Very light feed, focus on healthy root growth |
| Vegetative growth | 0.8–1.2 | Build the frame, raise nitrogen gradually |
| Early flower | 1.2–1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4–1.6 | Peak bloom feed while the sticky buds swell |
| Flush | 0.0–0.4 | Plain water for the final 1–2 weeks |
Flowering and Harvest
Once you flip to 12/12, bloom runs about 8–10 weeks. As a 60% indica it stays sturdy and bushy through flower, filling in dense, chunky, resin-coated buds that gain weight and frost over through the second half of bloom rather than stretching tall the way a sativa would, living up to the “Frosty” in its name.
Give the colas light support as they fatten, and keep the canopy open so light reaches the lower flowers. Harvest when most trichomes have turned cloudy with a few amber heads for the fullest expression, and run a short plain-water flush in the last week or two before you cut the plant down.
Drying and Curing
Dry whole plants or branches in a dark room at around 60°F (15–18°C) and 55–60% humidity for 7–14 days, until the thin stems snap rather than bend. A slow, even dry stops the dense, sticky buds staying damp in the middle while the outside dries out, which protects both the cheese-and-pine aroma and the heavy resin.
Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure brings the cheesy, fruity and piney notes forward and smooths the smoke, which is exactly what this frosty, Jack-lineage hybrid deserves.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Frosty Blue OG is a famously frosty, resin-rich plant, so the trim is excellent for dry sift, bubble hash or rosin, giving you a bonus run of cheesy, fruity concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
Frosty Blue OG has a bold, savoury profile: a tangy, cheesy funk over a fruity sweetness, finished with a fresh pine edge. It is a distinctive, old-school taste rather than a candy-sweet one, carried straight from its Jack Frost and Blue Monster parents into the cured flower, and it is a big part of what makes the strain stand out.
Its terpene profile is compact but expressive, led by caryophyllene, which drives the tangy, peppery, cheese-like funk, with myrcene adding the soft, fruity base and pinene bringing the fresh, sharp pine note on top. The fruity, berry-tinged sweetness comes through from the strain’s Blueberry heritage, layered over that cheesy, piney terpene base, much as it does in our Mazar x Blueberry.
Effects and Best Use
With its indica-dominant genetics, Frosty Blue OG is reported as euphoric, happy and relaxed, opening with a bright, mood-lifting euphoria before easing into a deep, comfortable body relaxation. That balance makes it a versatile strain that brightens the mood while helping you unwind, working well from a relaxed afternoon into a quiet evening.
At a medium 18–20% THC it is potent but approachable, which suits both newer users and anyone who prefers a balanced, manageable high. That character, the bold cheese-and-pine flavor, the elite frosty heritage and the sturdy, heavy-yielding plant are exactly why growers reach for Frosty Blue OG.
Common Problems and Pro Tips
The main thing to watch with Frosty Blue OG is humidity around its dense, resin-heavy indica buds. Those frosty, sticky colas trap moisture, so bud rot is the most common problem in the final weeks of flower. Keep humidity moderate through the second half of bloom, run steady airflow, and a light defoliation of the inner canopy helps air reach the thickest buds.
Making the most of its heavy outdoor yield is the other thing to plan for. Those big 850–900 g plants put real weight on the branches, so support or stake the heavier colas early, train the plant to keep the canopy even, and give it plenty of root space and a long, warm finish outdoors to reach the top of that range.
As a pro tip, protect the cheese-and-pine flavor that makes this strain distinctive: keep the feed moderate rather than heavy, since overfeeding can mute the caryophyllene and pine terpenes, and give it a clean plain-water flush in the final one to two weeks. Cooler late-flower nights also help coax out its frosty, bluish tones, and following the trichomes gives the smoothest finish.
FAQ
Is Frosty Blue OG indica or sativa?
Frosty Blue OG is indica-dominant, at roughly 60% indica and 40% sativa, from its Jack Frost and Blue Monster parents. That shows in a deep, comfortable body relaxation, while the sativa share and a euphoric mood lift keep the experience happy and bright, so it brightens your mood as it helps you unwind rather than feeling purely heavy.
What does Frosty Blue OG taste like?
It has a bold, savoury flavor: a tangy, cheesy funk over a fruity sweetness with a fresh pine edge. Caryophyllene drives the peppery, cheese-like funk, myrcene adds the soft fruity base, and pinene brings the sharp pine note, while the berry-tinged sweetness comes through from its Blueberry heritage on the Blue Monster side.
What is Frosty Blue OG’s THC level?
Frosty Blue OG carries a medium THC of 18–20%, potent but approachable rather than overpowering. That level drives a euphoric, happy, relaxed effect that stays comfortable and balanced, so it suits both newer users and anyone who wants a manageable high with a bright mood lift rather than the heaviest possible hit.
How long does Frosty Blue OG take to flower?
About 8–10 weeks once you switch to a 12/12 light cycle, with outdoor plants finishing around October. It is a photoperiod feminized strain, so it blooms on the light change rather than on age, filling in dense, resin-coated buds that frost over through the second half of flowering as the colas gain weight.
How much does Frosty Blue OG yield?
It is a very heavy producer, giving around 500–550 g/m² indoors and a large 850–900 g per plant outdoors in a warm, temperate spot. Those numbers depend on light, root space and canopy health, so give it room, support the branches, and feed it steadily through flower to reach the top of the range.
Where does the “Frosty” name come from?
It comes from the strain’s heavy trichome coverage and frosty, bluish appearance, inherited from its Jack Frost parent and reinforced by cool late-flower nights. The buds develop a thick white resin coat that gives them a frosted look, which is also why the trim makes such good hash and rosin.
