How to Grow Blueberry Cupcake: Flowering Time & Yield

Sun, 06 Apr 2025 00:00:00 +0000

Blueberry Cupcake is Humboldt Seed Company’s dessert hybrid — an S1 selfing of their original Blueberry Cupcake cross, which itself pairs Wedding Cake with Blueberry Muffin. It’s a plant built for two things: sweet, bakery-fresh terpenes and production. The S1 designation means growers can expect some phenotypic variation between seeds, but Humboldt notes that the Blueberry Muffin terpene profile dominates thanks to the strong underlying genetics.

Advertised flowering is 60–70 days, though home growers frequently report her showing end-of-flower signs as early as day 45, especially on the faster phenos.

Grow notes

The standout trait in our experience with Blueberry Cupcake is internodal spacing. Buds form on evenly spaced nodes, which makes canopy management straightforward — no awkward dense pockets, no lower-branch pruning marathon. She’s a plant you can leave mostly alone through flower, and the yields are consistently described as heavy for a plant that finishes this quickly.

Humboldt calls it “explosive growth for exceptional full term yield,” and that holds up. Grow reports on GrowDiaries back up the claim, with most cultivators hitting their advertised targets or exceeding them.

Because this is an S1 line, expect some variation in flower time, stretch, and terpene intensity across seeds. If you’re phenotype-hunting, pop a 5-pack and keep the best one as a mother.

Outdoor finish is mid to late October in the northern hemisphere.

Aroma, flavor, and effects

The nose is unmistakable: fresh cake batter, baked blueberries, and a hint of rocket fuel. It’s one of the more specific dessert terpene profiles in the Humboldt lineup, and it survives the cure well — the finished flower still smells like a bakery weeks after it’s in the jar.

The effect is balanced and relaxing without being sedating. It’s a strain that works for either end of the day, though most users lean on it for evening wind-downs.

Who this strain is for

Blueberry Cupcake is worth growing if you want:

A dessert-nosed hybrid that actually produces. Most sweet, bakery-terp strains trade yield for flavor. This one doesn’t.
A hands-off canopy. The internodal spacing makes indoor training much easier.
A forgiving dessert strain for a first grow. Low nutrient demand, solid resistance, clean structure.
A pheno-hunting project. The S1 variation gives you something to select on.

She’s less ideal if you need absolute uniformity between plants or if you want a plant that finishes in under 55 days — faster Humboldt options like Apple Blossom and Dream Queen will get you there sooner.

Where to buy Blueberry Cupcake seeds

Available from North Atlantic Seed Company in 3, 5, and 10 packs of feminized photoperiod seeds.

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

For more from Humboldt, see Apple Blossom and Dream Queen. For speed-focused strain selection in general, see the grow timeline guide.

Dessert on Grow Weed Fast

How to Grow Blueberry Cupcake: Flowering Time & Yield

Grow notes

Aroma, flavor, and effects

Who this strain is for

Where to buy Blueberry Cupcake seeds