Hempstar Auto
Created as a tribute to the international hemp movement, Hempstar Auto also known as “Brainstorm” was developed by Dutch Passion Seeds in the 1990s. Hempstar is an incredible strain with some amazing properties. It is the genetic cross between Northern Lights, Haze, and Rudeeralis. The almost completely Sativa strain of cannabis displays effects of relaxation, happiness, focus, and creativity. Many people believe it can be used anytime to relieve symptoms of stress and nausea. Hempstar emits a fruity aroma composed of citrus, cream, wood, sweet pine, and a mix of skunk and earth. After this potent smoke, users feel relaxed, focused, happy, and creative. Combine these attractive traits with a high THC content and ease of growth and you have a top ten cannabis strain in the cannabis community. Hempstar Auto is a fan favorite and is popping up in more and more grow rooms across the globe.
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THC levels up to 24%
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80% Sativa 10% Indica 10% Ruderalis
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Creative, Attentive, Happy, Relaxing
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Total time from flowering to harvest: 50 to 60 days
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Growing experience level: Beginner to Intermediate
Hempstar Auto: A Star is Born
Hempstar Auto seeds grow into medium to tall plants that are vibrant in color. The bright green leaves are short and small but they are effective at catching sunlight and providing the plants with the energy they need to grow. The leaves and buds are coated in dusty white trichomes that make the plant appear as if it has been dipped in sweet sugar. Booking closely at the buds you can clearly see bright orange pistils or hairs growing from the top. The flash of color is easy to see against the green and white backdrop of this cannabis plant. The harvested nuggets are pale green with amber hairs poking through the surface. The potent aroma is evident the second you break these nuggets apart with your fingers. Keep in mind that the resiny trichomes will stay on the buds through harvest. While Hempstar hasn’t taken home any major awards it is well-known on the cannabis scene as a top ten auto-flower variety. The reason behind its popularity is its ease of growth and mix of delicious flavors and aromas. It is a strong strain that users seem to really dig. Growers and users love this strain for a myriad of reasons.
Growing Tips for Our Seeds
These autoflower seeds are easy to grow indoors and outdoors even for the newbies. The basic needs of these seeds are sunshine and consistent feeding of nutrients. It is recommended to place seeds in a sunny area or beneath a grow light for 18 hours per day. Cannabis connoisseurs suggest regular water but not over-watering. Water is enough to keep the soil moist and wet. In about 8 to 10 weeks, the plant should begin to bud. Hempstar Autoflowering seeds are of high quality. Considered a low-maintenance strain, it produces a moderate harvest.
Dial in Your Growing Conditions
- Indoor or Outdoor: Hempstar Auto cannabis plants can be grown indoors and outdoors by all levels of growers. The ideal temperature for these plants is around 60-80 degrees Fahrenheit. This strain of cannabis requires 18 hours of light during the vegetative stage. It does not require a change in the light cycle to induce flowering as it is an auto-flowering strain. It will flower on its own and be ready for harvest after a short flowering stage.
- Moisture control: In terms of humidity levels, you’ll want to set it at 50-70% during the vegetative growth stage. Keeping your humidity levels around 40-50% through the flowering stage will help keep mold and bud rot off of your plants.
- Training Techniques: Topping and Low-stress Training (LST) are the best options or methods for this strain. These methods will keep the canopy in check and allow light and air to circulate through the top of the plant and into the bottom towards the soil. This will ultimately create an even grow and increase your yields come harvest time.
The Germination Game Plan
Before you even plant your Hempstar Auto female cannabis plants, you will first need to germinate these seeds. To do so, refer to our free germination guide, knowing that they are backed by our impressive 90% germination guarantee.
Yields, Flowering Time, and Harvest
- Flowering Time: Growing indoors, you can expect to harvest after a flowering period of 50-60 days. Outdoors, it should be harvest-ready sometime around the middle of October.
- Yields: While Indoor yields are around 400 grams per square meter, outdoor grows typically produce up to 550 grams per plant. This low-maintenance and easy-to-grow strain produces hefty yields after a short flowering period. Making it the ideal strain for new cultivators to begin their cannabis journey with.
Dominant Terpenes in Hempstar Auto: Brainstorm
The Hempstar Auto terpene profile is directly responsible for how the plant smells and tastes and the strong effects it has on its users. The most dominant terpene in this strain is myrcene, while limonene and beta-caryophyllene are secondary terpenes.
- Myrcene: Most Dominant – Earthy and herbal contributing to the strain’s relaxing effects on the user. Also known as the “Mother of Terpenes”.
- Limonene: Secondary Terpene – Found in the rinds of citrus fruits this terpene
- Beta-Caryophyllene: Spicy Terpene – Spicy and peppery this terpene is found in cloves, black pepper, and cinnamon as well as cannabis.
Dominant Cannabinoids in Hempstar Auto:
Cannabinoids play an important role in Hempstar Auto seeds and are generally a huge part of most strains of cannabis. That focused, euphoric, and relaxed feeling you get when enjoying the Hempstar Auto strain is due to its dominant cannabinoids. Each cannabinoid does something different to the user.
- THC: The Main Character – THC is the most dominant cannabinoid on the molecular level of this strain. The crystalline compound tetrahydrocannabinol is the main ingredient of cannabis. Topping out at 25%, the THC in this Sativa-dominant strain is responsible for the euphoric and relaxed feeling you get when enjoying Hempstar Auto cannabis.
- CBD: Very Minimal Amounts – While the CBD levels in Hempstar Auto are about 1%, the cannabinoid is still present, and the effects are noticeable in this strain. CBD plays a smaller role in what the strain does to the user.
Characteristics
Strain Genetics |
Northern Lights, Haze, Ruderalis |
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Blend |
10% Indica, 10% Ruderalis, 80% Sativa |
Plant Sex |
Feminized |
Strain Type |
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Flowering Time |
50-60 days |
Flowering Type |
Automatic |
THC Content |
25% |
CBD Level |
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Effects |
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Indoor Yield |
Up to 400 g/m2 |
Outdoor Yield |
Up to 550 g/plant |
Flavor |
Skunky, Earthy, Woody |
Growing Difficulty |
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Where to Grow |
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Seed Type |
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Plant Height |
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Yield Levels |
Moderate Yield |
Reviews
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honest_omar Verified Buyer
Dutch Passion put together something special with this one. The genetics behind Hempstar Auto really show in the final product. Plants are vigorous growers, trichome production is excellent and the 50-60 day flowering window held true in my indoor setup. Harvested around 400 grams per square meter which was right on target. The high is focused, euphoric and relaxed all at once. One of the better autoflowers I’ve run.
J.R. Calloway Verified Buyer
Grew Hempstar Auto for the first time this year as a beginner and I was blown away by how well it performed. The seeds popped quickly and the plants grew steadily without demanding too much attention. Keeping the light at 18 hours throughout was simple and effective. Harvest came in ahead of schedule at around 52 days of flower. Buds are beautiful and smell like sweet citrus with hints of pine and earth. The effects are uplifting and creative. Awesome strain.
Eliza Morton Verified Buyer
Used the water-soak method for 24 hours. All four seeds had tails before they even hit the soil. 10/10 vitality.
weekendbaker Verified Buyer
What I appreciate most about Hempstar Auto is the combination of ease and quality. It does not ask much of the grower but it delivers a genuinely excellent product. Trichome coverage is heavy, aroma is complex and the effects are well balanced between relaxation and mental clarity. Grew mine indoors with topping and LST and the canopy filled out really evenly. Harvest came in right at 55 days. Very satisfied.
Cora F. Verified Buyer
First autoflower I’ve ever grown and I could not have picked a better starting point. Seeds germinated fast and the seedlings were healthy and strong from day one. The fact that you don’t need to change the light cycle to trigger flowering made the whole process so much more straightforward. Pulled a solid harvest around mid-October and the buds smell incredible, fruity and citrusy with a hint of earthiness underneath. Very happy with this as my introduction to growing.
RustField22 Verified Buyer
I did some light tying down and the side branches really took off. This strain is very cooperative with light training to increase yields.
inwardnorth Verified Buyer
Harvested at 11 weeks exactly. Perfect.
Remy B. Verified Buyer
I grew Hempstar Auto as my second grow ever and it went really smoothly. The 18 hours of light per day schedule was simple to maintain and the plant handled the rest. A bit of LST during veg helped spread the canopy and improve light coverage. Yield was solid and the bud quality was excellent. The sativa dominant effects are energizing and mood boosting without being overwhelming. Great choice for newer growers.
R.M Verified Buyer
Grew these in pots on my terrace. They stayed discreet but still produced a fantastic amount of bud. No need for complicated light deprivation setups!
quietnight55 Verified Buyer
Picked up Hempstar Auto after reading about its Dutch Passion heritage and the combination of Northern Lights and Haze genetics. Really wanted to see what that lineage would produce and the results did not disappoint. Indoor grow, 18 hour light schedule, 50-60% humidity through veg and the plants were happy the whole way through. Flowering wrapped up cleanly and the harvest was generous. The fruity aroma is one of the best I’ve encountered in an autoflower. Happy, creative and relaxed effects that last. Will be growing this regularly.