Indica on Grow Weed Fast

How to Grow Blueberry Muffin: 45-Day Flower, Award-Winning Terps

Fri, 10 Apr 2026 00:00:00 +0000

Blueberry Muffin is the most-reviewed and most-awarded strain in the Humboldt Seed Company lineup. It is also the parent of Apple Blossom and Blueberry Cupcake, making it the genetic foundation of a large portion of Humboldt’s modern catalog. With a 45-day flowering window on the fast phenos, an F9 double breeding line that delivers near-zero phenotype variation, and a 2025 NASC Grower’s Choice triple crown (Strain of the Year, Best Photoperiod, Best Extract), it is one of the strongest all-around picks for a speed-focused home grower.

Leafly reviewers have given it a 4.6-star average across 529 reviews, which is one of the larger sample sizes on the platform and makes the aggregate data unusually reliable.

Genetics

NASC lists the genetics as Purple Panty Dropper x Razzle Berry. Leafly’s entry, which also credits Humboldt Seed Company as the producer, lists the parents as Blueberry x Purple Panty Dropper. The discrepancy likely reflects simplified or alternative naming on the Leafly side, since Razzle Berry is itself a Blueberry descendant. Both sources agree on Humboldt as the breeder.

The critical detail is the generation designation: F9 double breeding line. This is extraordinarily rare in commercial cannabis. Most strains on the market are F1 (first-generation hybrid), S1 (selfed), or Bx (backcross). An F9 means Humboldt has selected and stabilized this line through nine generations of controlled breeding. The practical consequence for growers is that every seed in a pack will produce a plant that looks, grows, and smells nearly identical to every other seed in the pack. There is almost no phenotype variation to account for.

Blueberry Muffin has itself become a breeding cornerstone. Leafly lists Blueberry Cupcake (Wedding Cake x Blueberry Muffin) and Squirt as direct descendants. Humboldt’s Apple Blossom (Blueberry Muffin x Dream Queen), which we cover in a separate review, is another.

Flowering time and grow notes

Humboldt and NASC list flowering at 45-55 days indoor, with outdoor harvest in mid to late September. That’s a fast window for an indica-dominant plant, and the F9 stability means the variation between the fast and slow end of that range should be minimal across seeds.

A grow report from u/Emotional-Pattern-20 on r/gardening documents a single HSC Blueberry Muffin at six weeks from flip with 90% cloudy trichomes and no amber. The grower noted the plant was “still bright green with no fade,” suggesting the strain holds color late into flower rather than fading early. Commenters in the thread recommended watching for 5-10% amber before chopping, which would put the realistic finish at roughly 45-50 days from flip for experienced growers watching trichome development.

NASC tags this strain in multiple curated categories: Cannabis Seeds for Beginners, Disease and Pest Resistant, Early Finishing, Cannabis Seeds for Extractions, High Test, High Yield, Outdoor, and Staff Selections. That breadth of category placement is unusual and reflects how versatile the plant is across different growing setups.

Feeding should follow standard indica practices. The F9 stability means you can dial in a feeding schedule on the first plant and expect every subsequent plant in the pack to respond the same way.

Terpene profile and aroma

The terpene profile is led by caryophyllene (the warm, peppery note), with myrcene (earthy, sedating) and limonene (bright citrus) in support. This combination produces the bakery-forward nose the strain is known for: a warm, sweet blueberry-muffin scent that multiple community reviewers describe as one of the most accurate strain-name-to-aroma matches in commercial cannabis.

Community flavor reports across 529 reviews most frequently describe butter, blueberry, and vanilla as the top three flavors. The butter note is the caryophyllene expressing as warmth rather than spice, the blueberry is the strain’s signature, and the vanilla rounds out the bakery profile. NASC adds chamomile to the profile description, which aligns with the calming, herbal undertone that the myrcene presence would predict.

The aroma is reportedly strong in the tent and survives the cure well. The Reddit grower u/Emotional-Pattern-20 commented: “The aroma that plant is producing literally blows my mind. Blueberry muffin is a perfect name for her.”

Effects

Community reviewers most frequently report the effects as relaxed, tingly, and happy, with euphoric and giggly as secondary notes. The 90% indica-dominant genetics come through clearly: this is an evening/wind-down plant, not a daytime sativa.

Median THC across community lab data is approximately 20%, with a small but notable 1% CBG (cannabigerol). The CBG presence is consistent with what we observed in the Leafly data for Jelly Breath (another indica-dominant hybrid with elevated CBG), and may contribute to the strain’s calming profile.

The most common side effect is dry mouth (17% of reviewers), followed by dizziness (4%) and headache (2%). None of these are unusual for a 20% THC indica.

Medical cannabis users on Leafly most frequently reach for Blueberry Muffin for anxiety (33%), stress (27%), and depression (27%). The relaxed, happy, non-sedating-to-the-point-of-couch-lock profile makes it a versatile medical option.

What other growers say

I have a single BBM from HSC and it’s coming up on 6 weeks. Advertised harvest time is 6-8 weeks. I checked the trichrome development this morning and id say 90% are cloudy but no amber yet. Plant still is bright green and has no fade! – u/Emotional-Pattern-20, r/gardening

Could quite possibly be my favorite strain I’ve grown so far. Potent, fragrant and fairly pest resistant compared to other cultivars I grew last year. – u/?, r/farmingthebestgreens

Both reports align with the data: fast flower, strong terps, pest-resistant, and forgiving. The second grower grew from bag seed outdoors and still had a positive experience, which says something about the genetic resilience.

What to grow instead

Apple Blossom, if you want the Blueberry Muffin genetics in a faster, higher-yielding package. Apple Blossom is Blueberry Muffin x Dream Queen and finishes in 45 days with bigger yields.
Dream Queen, if you want a sativa-dominant daytime alternative at the same 45-day speed. Different effect profile (energetic, uplifting) but the same Humboldt speed.
Dirty Mimosa, if you want a sativa-dominant option from a different breeder. 49-56 days, compact structure, award-winning terps from Dirty Bird Genetics.

Where to buy Blueberry Muffin seeds

Blueberry Muffin is available from North Atlantic Seed Company’s Humboldt Seed Company collection in 3, 5, and 10-seed packs of feminized photoperiod seeds, priced from $45 to $120.

Affiliate disclosure: we may earn a small commission if you purchase through this link, at no extra cost to you.

How we researched this review

This review synthesizes four source types:

Breeder and retailer specs from Humboldt Seed Company and North Atlantic Seed Company for genetics (Purple Panty Dropper x Razzle Berry), F9 generation designation, flowering window, pack sizes, NASC category placements, and award wins.
Community grower reports from Reddit, including a grow diary by u/Emotional-Pattern-20 on r/gardening documenting trichome development at six weeks, and an outdoor grow report on r/farmingthebestgreens confirming pest resistance and terpene quality.
Aggregate consumer data from Leafly’s Blueberry Muffins page, drawing on 529 verified community reviews for terpene profile rankings, cannabinoid medians (20% THC, 1% CBG), effect frequency, and reported flavor notes.
Award records: 2025 NASC Grower’s Choice Awards (1st Place Strain of the Year, 1st Place Photoperiod, 1st Place Extract) and 2017 Emerald Cup (6th Place).

How to Grow Blueberry Rose: 47-Day Flower, Boutique Hash Plant

Fri, 10 Apr 2026 00:00:00 +0000

Blueberry Rose is a boutique indica-dominant cross from Lovin’ In Her Eyes, a smaller breeder carried by North Atlantic Seed Company. It crosses Unknown Bubba with Dosi Punch and flowers in 47 to 56 days, putting it in the same speed tier as Humboldt’s fastest photoperiods. The breeder positions it explicitly toward hash makers and commercial growers who run dense canopies, and the NASC product listing includes unusually specific grow advice that most breeder descriptions omit.

Genetics

The cross is Unknown Bubba x Dosi Punch (NASC product listing). The “Unknown Bubba” designation means the Bubba Kush phenotype used in the cross was selected from an unverified or undocumented Bubba lineage, which is common in boutique breeding where the cut’s performance matters more than its paper trail.

Dosi Punch is a cross of Do-Si-Dos and Purple Punch, two of the most influential modern indica-leaning hybrids. Do-Si-Dos (OGKB x Face Off OG) contributes dense bud structure and heavy resin production. Purple Punch (Larry OG x Granddaddy Purple) contributes the grape and berry terpene foundation and the purple coloration that appears in some phenotypes. Together they form one of the most resin-forward parent combinations in modern breeding.

The Bubba side adds the hashy, earthy terpene layer that the breeder describes as “Bubba Kush style terp.” Bubba Kush is one of the original heavy-resin indica lines from the late 1990s, known for producing hash-grade flower with an unmistakable coffee, earth, and fuel nose.

The combination of these three genetic inputs (Bubba hash, Do-Si-Dos structure, Purple Punch fruit) explains the phenotype variation the breeder describes: some seeds express the blueberry-fruit side (Purple Punch dominant), while others express the hashy-earthy side (Bubba dominant). The breeder notes that “one can expect to find a heavy blueberry pheno when hunting,” implying that the blueberry expression is the target phenotype but not the only one in a pack.

Flowering time and grow notes

NASC lists flowering at 47 to 56 days, described as “fast finishing” (NASC product listing). The 47-day low end is competitive with Apple Blossom and Dream Queen at 45 days, making Blueberry Rose one of the fastest indica-dominant options in the NASC catalog.

Plant height is listed as short to medium (NASC). The breeder’s grow notes are more specific than most: the listing recommends bottom thinning and defoliation, particularly on the squatter phenotypes, to improve airflow and direct energy to the upper canopy. This is practical advice that most strain listings do not include, and it suggests the breeder has run the strain through enough commercial cycles to develop specific technique recommendations.

The breeder also highlights Blueberry Rose as suitable for double-density commercial planting, meaning growers can pack more plants per square foot than they would with a taller, wider strain. The short, squat structure concentrates bud sites in a small footprint, which favors gram-per-watt efficiency in sea-of-green or dense-canopy setups.

Resin production is the strain’s defining characteristic. The breeder describes the plants as “insanely resinous” with some phenotypes producing “very few pistils” (NASC listing). Low pistil count combined with heavy trichome coverage is the profile hash makers look for: more resin heads per gram of flower, less plant material to separate.

The phenotype variation is worth planning for. A pack of seeds will produce a range of expressions between the blueberry-fruit pheno and the hashy-Bubba pheno. Growers who want the blueberry expression specifically should pop a full pack and select from the seedlings. The 5-pack at $89 ($17.80 per seed) is priced for boutique genetics, not bulk production.

Terpene profile and aroma

The breeder describes the terpene profile as “synthetic blueberry, hashy, earthy” (NASC product listing), with some phenotypes displaying a “Bubba Kush style terp.” The range reflects the genetic inputs: the blueberry comes from the Dosi Punch side (Purple Punch heritage), while the hash and earth come from the Unknown Bubba side.

No community terpene data is available on Leafly or other review platforms. Based on the parent genetics, the terpene profile is likely led by myrcene (the earthy, musky note common to both Bubba Kush and Do-Si-Dos lineage) with caryophyllene (the peppery note from the Kush side) and linalool (the floral, lavender note from the Purple Punch side) in support. This is an educated inference from the parent profiles, not verified community data.

The “synthetic blueberry” descriptor is notable. In cannabis terpene language, “synthetic” usually means the blueberry note is unusually sharp and candy-like rather than the soft, natural berry note that strains like Blueberry Muffin produce. It reads as a more intense, almost artificial-tasting fruit note, which some growers seek specifically.

Effects

No community effect data is available for Blueberry Rose on Leafly or other review platforms. The parent genetics suggest a heavily indica-dominant experience: both Bubba Kush and Dosi Punch are known for sedating, body-heavy effects with strong physical relaxation.

The Dosi Punch side (Do-Si-Dos x Purple Punch) typically produces a euphoric onset that settles into deep relaxation, often trending toward sleep. The Bubba Kush side adds a heavy body stone that is historically one of the most physically sedating profiles in cannabis. Combined, Blueberry Rose is almost certainly an evening or nighttime strain, not a daytime option.

Without verified community data, these effect predictions are based entirely on parent lineage. The actual experience may vary, particularly across the phenotype range the breeder describes.

What other growers say

Blueberry Rose has no community grow reports on Reddit, GrowDiaries, or Leafly at the time of this review. It is a boutique release from a smaller breeder, and the community data pool has not yet developed.

The NASC product listing is the most detailed available source, and it is unusually specific for a breeder description. The recommendation to bottom-thin and defoliate squat phenotypes, the note about double-density commercial planting, and the honest description of phenotype variation all suggest the breeder has practical growing experience with this line rather than just marketing copy.

NASC lists Blueberry Rose in the Blueberry Collection and Punch Collection categories, placing it alongside established strains in both flavor families.

What to grow instead

Blueberry Muffin, if you want the blueberry terpene family with vastly more community data. Humboldt’s F9 line has 529 Leafly reviews, the 2025 NASC triple crown, and near-zero phenotype variation. Flowers in 45 to 55 days.
Apple Blossom, if you want a balanced 50/50 hybrid at the same speed with higher yields and more documentation. Blueberry Muffin x Dream Queen, 45-day flower.
Dirty Mimosa, if you want a sativa-dominant fast option from a different breeder. 49 to 56 days, compact structure, Dirty Bird Genetics.

Where to buy Blueberry Rose seeds

Blueberry Rose is available from North Atlantic Seed Company’s Lovin’ In Her Eyes collection in 5-packs ($89) and 10-packs ($150) of feminized photoperiod seeds.

Affiliate disclosure: we may earn a small commission if you purchase through this link, at no extra cost to you.

How we researched this review

This review synthesizes one primary source type:

Breeder and retailer specs from Lovin’ In Her Eyes and North Atlantic Seed Company for genetics (Unknown Bubba x Dosi Punch), flowering window (47 to 56 days), plant height (short to medium), terpene descriptions, grow technique recommendations, phenotype variation notes, and target audience (hash makers, commercial density).

No Leafly community data or Reddit grow reports were available for Blueberry Rose at the time of publication. As community data develops, this review will be enriched with terpene rankings, effect vote counts, and attributed grower quotes.