Skip to main content

Blueberry Auto

indica

Also known as: Auto Blueberry, Blueberry Automatic, Blue Auto

THC14–20%
CBD0.1–0.8%
OriginUnited States

Blueberry Auto is an iconic indica autoflower descended from DJ Short's legendary Blueberry strain, celebrated for its vibrant purple hues and intensely sweet berry flavor profile. With THC levels reaching 20% and a calming, relaxing effect profile, it excels as an evening and stress-relief strain. A visually stunning and flavorful autoflower ready in 56-70 days.

Overview

Blueberry Auto is an autoflowering indica-dominant strain bred from the legendary Blueberry genetics created by DJ Short in the 1970s and 1980s, crossed with a resilient Ruderalis variety to enable automatic flowering. The original Blueberry strain won the High Times Cannabis Cup for Best Indica in 2000, and this autoflowering descendant carries forward the same beloved berry-forward terpene profile that made its parent famous. One of the most visually striking autoflowers available, Blueberry Auto is renowned for its ability to develop stunning purple, blue, and violet hues across the leaves and buds during the later stages of flowering, particularly when exposed to cooler nighttime temperatures. These colorations are driven by high anthocyanin content, a trait inherited directly from its Afghani and Thai landrace ancestors. Indoor plants remain compact and bushy, typically reaching heights of 50 to 80 centimeters, making them ideal for small grow tents and discreet cultivation setups. The complete seed-to-harvest cycle spans approximately 56 to 70 days, delivering moderate to impressive yields of dense, heavily frosted buds. The terpene profile is rich in myrcene, caryophyllene, and linalool, which collectively contribute to the strain's signature sweet blueberry aroma layered with subtle vanilla and floral undertones. The flavor experience on the palate is exceptionally smooth and sweet, delivering prominent blueberry, vanilla, and berry notes that linger pleasantly on the exhale. Effects are typically indica in character: relaxing, calming, and mildly euphoric, making Blueberry Auto a popular choice for evening use and stress management. Medical consumers value its ability to reduce anxiety, ease muscle tension, and promote restful sleep without overwhelming sedation at lower doses. Blueberry Auto is widely considered one of the most flavorful autoflowering strains ever developed.

Effects

Positive Effects

Relaxation●●●●●Euphoria●●●○○Happiness●●●●Sleepiness●●●○○

Medical Benefits

Anxiety Relief●●●●Stress Relief●●●●●

Side Effects

Dry Mouth●●○○○

Genetics

mother

Blueberry

father

Ruderalis

Growing Info

Difficulty

easy

Flowering Time

63 days

Yield (Indoor)

300-400g/m²

Yield (Outdoor)

50-110g/plant

Height (Indoor)

50-80cm

Height (Outdoor)

60-100cm

Flavors

blueberrysweetvanillaberryfloral

Aromas

blueberrysweetfruityvanillaearthy

Colors

purplebluedark green