Hempstar
aka Brainstorm, DP
Hempstar is a balanced 50/50 hybrid from Dutch Passion Seeds that combines Northern Lights and Haze genetics into an uplifting, energetic experience perfect for daytime use. With THC levels of 14-26% and dominant Myrcene, Pinene, and Limonene terpenes, this strain delivers earthy, citrus, and pine flavors alongside creative focus and euphoric mental clarity. Ideal for productivity, social activities, and therapeutic relief from stress, depression, and pain, Hempstar has maintained popularity since 1996 as a versatile strain for all experience levels.
The Short Answer
What kind of high is Hempstar?
Myrcene-led and earthy on the palate, most often reported uplifted and picked for watching tv/movies in the morning.
Terpenes decide how a strain feels — THC% only decides how strong the dose is. Here is the family, the chemistry behind it, and what people reach for it to do.
Terpenes are the aromatic compounds that shape the character of a high. The blend a strain carries — not its THC percentage — is what makes one feel bright and social and another heavy and sleepy, which is why the top three are listed rather than just the leader.
Terpene percentages belong to the jar, not the strain. They move with harvest timing, drying, cure and shelf age — the lighter ones literally evaporate. What holds steady is which terpenes lead, so that is what we rank.
See the full profile →Learn how terpenes work →- Sedating
- Muscle relaxant
- Anti inflammatory
- Limonene Citrus, lemon, orange
- Pinene Pine, fresh forest
Ordered by measured share — the exact percentages shift with every batch and cure.
The effects reported most often across our research sources. Every body is different — set, setting and tolerance all move the result.
- Energetic
- Euphoric
The activities this strain gets picked for most often, leading with the specific ones rather than the broad buckets nearly every strain shares. A starting point, not a prescription — what works for you is personal.
See the full list →The flavor notes reported most often across our research sources, led by the most specific one — flavor tracks the terpene blend, but cure, age and how you consume it all shift what actually lands on the palate.
See the full profile →- Woody
- Sweet
The aroma notes reported most often across our research sources — what the jar gives up before you light it. This is the strain's own recorded profile, not the textbook aroma of its lead terpene.
See the full profile →- Sweet
- Best Time morning
- Era 1996
- Rarity Common
Genetics Balanced Hybrid A lineage label, not an effects predictor — most modern flower is a hybrid, and the terpene mix above is what you will actually notice.
Potency Check the label, not the strain Varies by batch, grower and harvest — check the label on the product you are buying. Scan your label → Reported ranges →
Heads up Most reported: dry mouth and dry eyes. Responses vary — start low, go slow. Review safety →
Your guided read
6 chapters on Hempstar
Start at the top and work down — each chapter builds on the one before it. Jump to any chapter to read it on its own.
- The Experience How this strain is reported to feel, and when people reach for it.
- Look, Aroma & Taste The smell and flavour you will actually notice — and the terpenes behind them.
- Chemistry & Research Therapeutic reports, published research, and what the lab numbers do — and do not — tell you.
- Using It Well Consumption methods that suit this strain, and the side effects to plan around.
- Where It Comes From The genetics, the breeders, and the recognition it has picked up along the way.
- The Full Story The long-form profile and community video reviews, once you want the detail.
Strain Highlights
Key insights at a glance
The Experience
Professor High Says...
In-depth strain breakdown from Professor High, our AI cannabis expert
The moment I exhaled that first hit of Hempstar, I felt this incredible wave of clarity wash over my consciousness—like someone just opened all the windows in a stuffy room and let fresh air rush in. My thoughts started organizing themselves into neat little categories, each one accessible and ready to explore. There's this beautiful energetic lift happening in my chest, not jittery or anxious, but more like a gentle spring in my step kind of feeling that makes me want to actually do things. The creativity circuits are firing on all cylinders right now—I'm making connections between ideas I've never linked before, seeing patterns and possibilities everywhere. What's fascinating is how the body feels simultaneously relaxed yet motivated, like my muscles are loose and comfortable but ready to move. The euphoric headspace is expansive without being overwhelming, keeping me grounded enough to function while elevating my perspective just enough to make everything more interesting. This is exactly why this strain earned its Brainstorm nickname—it's like cognitive enhancement wrapped in pleasant sensory experiences, with that earthy-pine-citrus flavor still dancing on my palate, reminding me with each breath that nature really does have some extraordinary gifts to offer.
Effects Profile
Uplifted · Energetic · Euphoric
Best enjoyed during morning
Energizing start to your day
Best For
Watching TV/Movies · Work · Creative Projects
Effect Sources
- 1 Hempstar by Dutch Passion: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Hempstar - Compare The Strain comparethestrain.ca(opens in new tab)
- 3 Hempstar Cannabis Seeds – Royal King Seeds royalkingseeds.com(opens in new tab)
- 4 Buy Hempstar (AAAA) Sativa | GrassLife grasslife.ca(opens in new tab)
- 5 Elite Hempstar Auto Cannabis Seeds growerschoiceseeds.com(opens in new tab)
- 6 Hempstar Haze | Marijuana Strain Reviews allbud.com(opens in new tab)
- 7 Hempstar Autoflower Seeds | The Seed Fair theseedfair.com(opens in new tab)
- 8 Anybody grow Hemp star (DP) icmag.com(opens in new tab)
- 9 nupepshrooms.cc nupepshrooms.cc(opens in new tab)
- 10 Hempstar Strain ilovegrowingmarijuana.com(opens in new tab)
- 11 Hempstar (Dutch Passion) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 12 Hempstar? | Marijuana Growing & Cannabis Forum marijuanapassion.com(opens in new tab)
- 13 Hempstar Weed Strain Effects & Reviews | Leafly leafly.ca(opens in new tab)
- 14 Hempstar Weed Strain Review & Info strains.uk(opens in new tab)
- 15 Hempstar Strain novaseedbank.com(opens in new tab)
15 verified sources
Look, Aroma & Taste
Aroma & Flavor
Earthy · Sweet · Pine
Aroma & Flavor Sources
- 1 Hempstar by Dutch Passion: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Hempstar Cannabis Seeds – Royal King Seeds royalkingseeds.com(opens in new tab)
- 3 Elite Hempstar Auto Cannabis Seeds growerschoiceseeds.com(opens in new tab)
- 4 Hempstar Haze | Marijuana Strain Reviews allbud.com(opens in new tab)
- 5 Hempstar Autoflower Seeds | The Seed Fair theseedfair.com(opens in new tab)
- 6 nupepshrooms.cc nupepshrooms.cc(opens in new tab)
- 7 Hempstar (Dutch Passion) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 8 Hempstar? | Marijuana Growing & Cannabis Forum marijuanapassion.com(opens in new tab)
- 9 Hempstar Weed Strain Effects & Reviews | Leafly leafly.ca(opens in new tab)
- 10 Hempstar Weed Strain Review & Info strains.uk(opens in new tab)
- 11 Hempstar Strain novaseedbank.com(opens in new tab)
11 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 3 terpenes mapped
Terpene Sources
- 1 Hempstar by Dutch Passion: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Hempstar Haze | Marijuana Strain Reviews allbud.com(opens in new tab)
- 3 nupepshrooms.cc nupepshrooms.cc(opens in new tab)
- 4 Hempstar (Dutch Passion) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 5 Hempstar? | Marijuana Growing & Cannabis Forum marijuanapassion.com(opens in new tab)
5 verified sources
Terpene Distribution
Terpene profile: Myrcene 1.2%, Limonene 0.7%, Pinene 0.7% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Limonene
Flavor: Citrus, lemon, orange
Pinene
Flavor: Pine, fresh forest
Full Profile
Myrcene
1.23%
Flavor Profile:
Earthy, musky, fruity
Effects:
Limonene
0.7%
Flavor Profile:
Citrus, lemon, orange
Effects:
Pinene
0.7%
Flavor Profile:
Pine, fresh forest
Effects:
Appearance
Deep forest green · Purple undertones
Color Palette
Texture
Medium to high density buds with moderate to tight structure, displaying classic sativa-influenced formation with some phenotypes showing more elongated, airy characteristics. Extremely resinous with sticky trichome coverage.
Crystal Density
high
Heavy frost coating
Chemistry & Research
Medical Effects
8 reported therapeutic uses on file
Medical Effect Sources
- 1 Hempstar by Dutch Passion: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Hempstar - Compare The Strain comparethestrain.ca(opens in new tab)
- 3 Hempstar Cannabis Seeds – Royal King Seeds royalkingseeds.com(opens in new tab)
- 4 Buy Hempstar (AAAA) Sativa | GrassLife grasslife.ca(opens in new tab)
- 5 Elite Hempstar Auto Cannabis Seeds growerschoiceseeds.com(opens in new tab)
- 6 Hempstar Haze | Marijuana Strain Reviews allbud.com(opens in new tab)
- 7 Anybody grow Hemp star (DP) icmag.com(opens in new tab)
- 8 nupepshrooms.cc nupepshrooms.cc(opens in new tab)
- 9 Hempstar (Dutch Passion) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 10 Hempstar? | Marijuana Growing & Cannabis Forum marijuanapassion.com(opens in new tab)
- 11 Hempstar Weed Strain Effects & Reviews | Leafly leafly.ca(opens in new tab)
- 12 Hempstar Strain novaseedbank.com(opens in new tab)
12 verified sources
Mental Effects
- •Stress Relief
Reduces stress and tension without heavy sedation
- •Anxiety Reduction
Calms anxiety and promotes mental clarity
- •Depression Management
Elevates mood and combats depressive symptoms
- •Focus Enhancement
Sharpens mental clarity and concentration
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension effectively
- •Nausea Relief
Alleviates nausea and improves appetite
- •Sleep Support
Promotes restful sleep and reduces insomnia
- •Inflammation Reduction
Decreases inflammation and swelling
Medical Disclaimer: This information is AI-generated based on available research and user reports, provided for educational purposes only, and is not intended as medical advice. Cannabis affects everyone differently. Consult with a qualified healthcare professional before using cannabis for medical purposes. Do not use cannabis if pregnant, nursing, or have a medical condition without consulting your doctor.
What Research Says
Peer-reviewed studies, terpene science & safety guidance
What does the research say about Hempstar?
Hempstar is a hybrid cannabis strain containing up to 26.0% THC, with a terpene profile dominated by Myrcene and Limonene. This page currently has good data confidence. Below are profile sources when available plus authoritative resources for understanding the compounds in this strain.
Terpene Research
Cannabinoid Information
Cannabis Regulations & Safety
Educational resources only — not medical advice. Always consult a qualified clinician for health decisions.
Cannabinoids (THC & CBD)
THC 14-26% · Type I chemovar
THC% tells you how strong. Terpenes tell you how it feels.
THC percentage is a property of the product in your hand, not of the strain. It shifts with the batch, the grower, the harvest, and how the flower was cured and stored — the same strain can test several points apart from two different jars.
Treat the ranges below as market context for what to expect on a shelf — then read the actual label on the product you are buying, and use the terpene profile to judge how it will feel.
High THC (>15%), low CBD (<1%) - Most common recreational strains
Using It Well
Consumption Methods
Vaping · Smoking · Concentrates
Recommended Methods
Side Effects
Dry Mouth · Dry Eyes · +3 more
Side effects vary by individual. Start low, go slow. Consult a healthcare professional with concerns.
These are commonly reported effects. Individual experiences may vary based on dosage, tolerance, and consumption method.
Where It Comes From
Lineage & History
Northern Lights × Haze · bred by Dutch Passion Seeds
Lineage Sources
- 1 Hempstar by Dutch Passion: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Hempstar - Compare The Strain comparethestrain.ca(opens in new tab)
- 3 Hempstar Cannabis Seeds – Royal King Seeds royalkingseeds.com(opens in new tab)
- 4 Buy Hempstar (AAAA) Sativa | GrassLife grasslife.ca(opens in new tab)
- 5 Elite Hempstar Auto Cannabis Seeds growerschoiceseeds.com(opens in new tab)
- 6 Hempstar Haze | Marijuana Strain Reviews allbud.com(opens in new tab)
- 7 Hempstar Autoflower Seeds | The Seed Fair theseedfair.com(opens in new tab)
- 8 Anybody grow Hemp star (DP) icmag.com(opens in new tab)
- 9 nupepshrooms.cc nupepshrooms.cc(opens in new tab)
- 10 Hempstar Strain ilovegrowingmarijuana.com(opens in new tab)
- 11 Hempstar (Dutch Passion) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 12 Hempstar? | Marijuana Growing & Cannabis Forum marijuanapassion.com(opens in new tab)
- 13 Hempstar Weed Strain Effects & Reviews | Leafly leafly.ca(opens in new tab)
- 14 Hempstar Weed Strain Review & Info strains.uk(opens in new tab)
- 15 Hempstar Strain novaseedbank.com(opens in new tab)
15 verified sources
Hempstar is a hybrid strain with complex genetics tracing back to Northern Lights, Haze, Skunk, and Oasis. Multiple sources indicate Dutch Passion Seeds as a primary breeder, with some sources suggesting alternative parentage including Northern Lights #5 and Original Haze.
Genetics
Origin Timeline
First cultivated in 1996
Breeder
Dutch Passion Seeds
Seed Bank
Dutch Passion Seeds
The Full Story
Detailed Description
The long-form profile · ~4 min read
Introduction to Hempstar
Hempstar stands as a legendary sativa-dominant hybrid that has earned its place in cannabis history since its debut in the mid-1990s. Bred by the renowned Dutch Passion Seeds in 1996, this strain has captivated consumers with its balanced 50/50 hybrid genetics that deliver both cerebral stimulation and gentle physical relaxation. Known alternatively as Brainstorm, Hempstar represents the pinnacle of Dutch breeding excellence, combining classic genetics into a strain that appeals to both recreational users seeking creative energy and medical patients looking for therapeutic relief.
🧬 Genetic Heritage & Lineage
The lineage of Hempstar traces back to some of cannabis culture's most iconic genetics. While sources vary slightly on the exact parentage, the most commonly accepted lineage combines Northern Lights #5 with Original Haze, creating a genetic bridge between indica stability and sativa euphoria. Some phenotypes also incorporate Skunk and Oasis genetics, adding complexity to the terpene profile and effects. This multi-generational breeding project by Dutch Passion Seeds aimed to create a strain that maintained Haze's uplifting cerebral effects while tempering them with Northern Lights' reliability and manageable growth characteristics. The result is a Type II chemovar with THC levels ranging from 14-26% (typically 18-22%) and CBD content that can reach up to 18% in certain phenotypes, making it particularly interesting for those seeking balanced cannabinoid ratios.
👃 Terpene Profile & Aromatics
Hempstar's aromatic signature is led by Myrcene at approximately 1.23%, creating a foundation of earthy, musky notes that ground the experience. Pinene (around 0.7%) and Limonene (around 0.7%) provide bright, refreshing top notes that cut through the earthiness with pine forest freshness and citrus zest. This terpene trio creates a complex olfactory experience that begins with sweet, earthy base notes reminiscent of fresh soil and forest floor. As you break apart the buds, pine and citrus aromatics emerge, adding brightness and complexity. Subtle herbal and spicy undertones complete the profile, with some phenotypes expressing fruity accents that add sweetness to the overall bouquet. The total terpene content of approximately 2.63% ensures a robust aromatic experience that translates directly into the flavor profile and therapeutic effects.
👅 Flavor Experience
The flavor journey of Hempstar unfolds in distinct phases. On the initial inhale, you'll encounter woody and earthy flavors that speak to the strain's natural, organic character. The mid-palate reveals herbal tea notes with touches of citrus and pine, creating a refreshing complexity. As you exhale, spicy and peppery undertones emerge, leaving a creamy, smooth finish that many users describe as exceptionally pleasant. Some phenotypes express fruity notes that add sweetness, while others lean into the skunky character inherited from their genetic lineage. This multi-dimensional flavor profile makes Hempstar particularly enjoyable for connoisseurs who appreciate nuanced taste experiences.
🎯 Effects & Experience
Hempstar's effects manifest quickly, typically within 5-10 minutes of consumption. Users report an immediate uplifting sensation that begins in the mind, bringing euphoria, happiness, and mental clarity. This cerebral stimulation promotes creativity, focus, and energetic motivation, making it ideal for daytime use. The sativa-dominant genetics ensure you remain clear-headed and functional, while the indica influence provides gentle physical relaxation without sedation. The experience peaks around 30-45 minutes and can last 2-4 hours depending on dosage and consumption method. Many users report feeling sociable, talkative, and giggly, making Hempstar excellent for social gatherings. The balanced effects profile means you can remain productive while enjoying the therapeutic benefits of cannabis.
🎮 Use Cases & Ideal Activities
Hempstar shines brightest during morning and daytime consumption. It's perfectly suited for creative projects where you need inspiration and focus—writing, painting, music production, or brainstorming sessions. The strain's energizing effects make it excellent for social activities, conversation, and collaborative work. Many users enjoy Hempstar for exercise and outdoor activities, as the uplifting effects enhance physical motivation without impairing coordination. It's also valuable for focus-intensive work like coding, research, or detailed tasks that require sustained concentration.
💚 Medical & Therapeutic Potential
Hempstar has earned recognition in medical cannabis communities for its versatile therapeutic applications. The strain may help manage stress and anxiety through its calming terpene profile, particularly the Myrcene content. Users report it's highly effective for depression management, with the uplifting effects providing mood elevation without overwhelming intensity. The strain may also assist with chronic pain and inflammation through its cannabinoid and terpene interactions, particularly Caryophyllene's CB2 receptor activation. Other potential applications include nausea relief, appetite stimulation, and fatigue management. The balanced THC:CBD ratio in certain phenotypes makes it particularly suitable for those seeking therapeutic benefits without excessive psychoactivity.
👁️ Visual Characteristics
Hempstar buds display classic sativa-influenced structure with medium to high density. The primary coloration features deep forest green hues with purple undertones emerging in cooler growing conditions. Bright orange to rust-colored pistils weave throughout the bud structure, providing vibrant contrast. The trichome coverage ranges from high to very high, giving buds a frosty, crystalline appearance that speaks to the strain's potency. The buds typically display moderate to tight structure with some phenotypes showing the more airy, elongated formation typical of sativa genetics.
📜 Cultural Context & Awards
Since its 1996 release, Hempstar has maintained steady popularity in European and North American markets. Dutch Passion Seeds' reputation for quality breeding has kept this strain relevant across nearly three decades. While not a major cannabis cup winner, Hempstar has earned respect as a reliable, versatile strain that consistently delivers the effects consumers seek. Its longevity in an increasingly crowded market speaks to its quality and the loyalty of its user base.
⚠️ Consumer Considerations
Hempstar suits all experience levels when consumed responsibly. Beginners should start with smaller doses to gauge sensitivity to the uplifting effects. Intermediate and experienced users will appreciate the strain's complexity and versatility. As with most cannabis, potential side effects include dry mouth, dry eyes, and occasional anxiety or paranoia at higher doses. Staying hydrated and starting with moderate amounts ensures the best experience.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 20 published sources covering 'Hempstar'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.
Data Quality by Section
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Strain Highlights
Key insights at a glance
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