American Haze Strain Feminized SeedsThe slow, spicy California sativa line, also sold as California Haze
5.00 out of 5 · 9 reviewsThe American Haze strain is a seed-bank name for the old Haze line that came out of Santa Cruz, California, in the 1970s, which is why the same seeds are also labelled California Haze. No original breeder publishes a pedigree for this exact line, so this page sticks to what is documented for Haze itself: a tall, slow sativa with 10 to 12 weeks of flowering, spicy herbal flavors and an upbeat effect. The feminized seeds grow female plants.
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What is the American Haze strain?
American Haze, also sold as California Haze, is a sativa-dominant strain from the Haze family, the line first grown in Santa Cruz, California, in the 1970s. Growers Choice, one of the few seed banks that documents American Haze, lists it at about 24% THC with a sweet, herbal scent and roots in South American, Thai, Mexican and South Indian plants, which is the classic Haze recipe. Leafly and Weedmaps put original Haze at 18–21% THC. Feminized Haze seed lines recorded on SeedFinder flower in 70 to 85 days, far longer than most hybrids.
Haze seed lines on SeedFinder need 70 to 85 days of flowering, two to four weeks more than a typical hybrid.
American Haze strain specs
Very little is published about American Haze as a named strain, and no source lists a separate plant called California Haze as its parent. The potency figure comes from Growers Choice's American Haze listing; flowering time and yield are from a feminized Haze seed line on SeedFinder; flavor, terpene and effect data are from Leafly's and Weedmaps' Haze pages. No source gives a measured height.
| Type | Sativa-dominant (SeedFinder describes original Haze as pure sativa) |
|---|---|
| Genetics | Haze line; exact pedigree of this seed line is not published |
| Bred by | Unknown for this line; original Haze is credited to the Haze Brothers of Santa Cruz |
| THC | About 24% (Growers Choice, American Haze); 18–21% for Haze on Leafly and Weedmaps |
| CBD | Very low; Leafly lists 0% for Haze |
| Main terpenes | Myrcene, pinene, caryophyllene (Leafly, Haze) |
| Aroma & flavor | Spicy, herbal, earthy, sweet, with citrus on some plants |
| Reported effects | Happy, uplifted, relaxed |
| Seed type | Feminized (female plants) |
|---|---|
| Flowering indoors | 10–12 weeks (70–85 days for a feminized Haze line on SeedFinder) |
| Outdoor harvest | Late October into November in the Northern Hemisphere |
| Height | Tall and lanky; no published figure |
| Yield | Around 500 g/m² in one breeder listing, which also calls Haze a modest yielder |
| Difficulty | Moderate to difficult, mainly because of the long bloom |
| Best methods | Short veg, topping, SCROG, bending |
| Climate | Indoors with headroom, or warm regions with a long frost-free fall |
Where does the American Haze strain come from?
American Haze traces to the original Haze, which Weedmaps places in Santa Cruz, California, in the 1970s with two growers remembered as the Haze Brothers. In that account they crossed a Mexican landrace sativa with a Colombian one, bred the best females to a South Indian plant, and then to a Thai male. Weedmaps is careful to say these origins are unconfirmed. Growers Choice gives its American Haze the same four-region background: South America, Thailand, Mexico and South India.
Haze later travelled to the Netherlands, where it became a parent of Neville's Haze, Amnesia Haze, Super Silver Haze and many other sativas. The names American Haze and California Haze are used by seed banks to mark out seed lines that stay close to that first California stock instead of the Dutch hybrids. Who selected this particular line, and from which plants, is not published, so the parent boxes on this page are left empty on purpose.
Are American Haze and California Haze the same strain?
On this product they are two names for one Haze-type seed line, both pointing at Haze's California origin. That is different from the branded strains called California Haze. Sensi Seeds sells a California Haze built with its Amnesia and Trainwreck lines, Humboldt Seed Company's version includes Arcata Trainwreck, and SeedFinder also lists an older clone-only California Haze from Redding. Those plants have their own specs, including shorter 9 to 10 week blooms, and should not be assumed to match this one.
What is not known. No lab results, awards or breeder release date could be found for American Haze as a named line. The numbers here describe the Haze family and the few listings that exist.
What does American Haze taste like, and how does it feel?
Aroma and flavor
American Haze tastes spicy and herbal with an earthy, slightly sweet finish. Leafly's top flavor tags for Haze are spicy/herbal, tobacco and earthy, and Growers Choice describes the scent of its American Haze flowers as sweet and herbal. Fruitier plants exist too: lemon is among the most reported flavors for Haze on Weedmaps.
- Spice
- Herbs
- Earth
- Sweet
- Lemon
Terpenes
- Myrcene
- Most abundant terpene in Haze on Leafly; earthy and herbal
- Pinene
- Sharp, resinous, forest-like
- Caryophyllene
- Pepper and warm spice
This is Leafly's profile for original Haze. Many later Haze hybrids test terpinolene-dominant instead, so an individual American Haze plant may smell brighter and more citrus-like.
Reported effects
People describe Haze-line sativas such as American Haze as happy and uplifting, with a relaxed feeling once the first rush passes. Happy, relaxed and uplifted are the three leading effect tags for Haze on Weedmaps. Growers Choice adds a practical warning about its American Haze: at around 24% THC, a little goes a long way.
- Happy
- Uplifted
- Energetic
- Relaxed
Dry mouth and dry eyes are common with American Haze's level of THC, and strong sativas like this one can feel racy or leave some people uneasy if they take too much.
Effect reports are for Haze on Weedmaps and Leafly, plus Growers Choice's notes on American Haze; no review site has enough ratings for American Haze alone. Reactions differ from person to person, and nothing here is medical advice.
How do you grow American Haze seeds?
American Haze seeds reward patience more than skill: keep the vegetative stage short because the plants stretch hard, train them wide, and budget 10 to 12 weeks of flowering before the thin, airy sativa buds are ripe.
- Germinate3–7 days
American Haze seedlings come up thin and fast. Keep the light close enough that the stems do not lean.
- Vegetate2–4 weeks indoors
A short veg is enough. Top early and start bending branches sideways, because a Haze plant can easily double in height once it flowers.
- Flower10–12 weeks
Stretch continues for several weeks after the switch to 12/12. Buds stack slowly along long branches and fill in late.
- HarvestDay 70–85 indoors · late Oct–Nov outdoors
Resist cutting at week 9. Wait for mostly cloudy trichomes, which on Haze lines often arrive after day 75.
Grow tips for American Haze
- Flip sooner than feels right. With American Haze, the height you see at the flip is far from the final height. Switch to 12/12 while plants are still small, well before they reach half of your available headroom.
- Fill a screen instead of the ceiling. A SCROG net turns the long, leggy branches into an even canopy and keeps tops out of the lamp.
- Go light on nitrogen in flower. Lanky sativas from the Haze family are widely reported to burn at feed strengths that heavy indicas accept. Raise the dose in small steps and watch the leaf tips.
- Check your season before planting outside. A 10 to 12 week bloom pushes harvest to the end of October or later. In most of Canada and the northern US that means a greenhouse or an indoor grow.
- Expect airy buds, and use that. SeedFinder's breeder notes describe Haze buds as thin. Looser flowers hold less moisture, which helps during a long, late finish.
Is American Haze the right strain for you?
Great pick if you
- Enjoy classic, clear-headed sativa effects and spicy, herbal flavors
- Have the headroom, or the training habits, for a tall plant
- Do not mind waiting 10 to 12 weeks for a harvest
- Grow indoors, or in a warm region with a long, dry fall
Think twice if you
- Need a quick turnaround; many hybrids finish three or four weeks sooner
- Grow outdoors where frost or steady rain arrives in October
- Want dense, heavy indica-style buds
- Want a strain with a fully documented breeder and pedigree
American Haze strain FAQ
Is American Haze the same as California Haze?
For these seeds, yes. American Haze and California Haze are two labels for the same Haze-type line, both referring to Haze's birthplace in California. Branded strains named California Haze from Sensi Seeds and Humboldt Seed Company are separate hybrids made with Trainwreck and other lines, and their specs differ.
Is American Haze indica or sativa?
American Haze is sativa-dominant. Growers Choice lists its American Haze as a sativa-dominant strain, and SeedFinder describes original Haze as a pure sativa. Expect narrow leaves, long branches, a tall frame and a long flowering period.
What are the genetics of American Haze?
American Haze belongs to the Haze family. The commonly told origin, recorded by Weedmaps as unconfirmed, is a 1970s Santa Cruz cross of Mexican and Colombian sativas, later bred with South Indian and Thai plants. The exact parents used for the American Haze seed line are not published.
How long does American Haze take to flower?
Plan on 10 to 12 weeks of flowering after the switch to 12/12. A feminized Haze line recorded on SeedFinder is listed at 70 to 85 days. Outdoors in the Northern Hemisphere that puts harvest at the end of October or in November.
How much THC does American Haze have?
Growers Choice lists American Haze at around 24% THC. Leafly reports about 18% for Haze and Weedmaps 18–21%, so 18–24% is a fair range across sources. CBD is very low. These are published figures, not lab tests of a specific seed batch.
How tall does American Haze grow?
No source publishes a measured height for American Haze, but Haze-line sativas are tall, lanky plants that keep stretching for weeks into flowering. Indoors, keep the vegetative stage short and use topping, bending or a SCROG net to hold the canopy down.
What does American Haze taste like?
American Haze has a spicy, herbal and earthy flavor with some sweetness. Leafly's leading flavor tags for Haze are spicy/herbal, tobacco and earthy, Growers Choice describes a sweet, herbal scent, and Weedmaps users often report lemon as well.
Is American Haze hard to grow?
American Haze is not a delicate plant, but it is demanding. The long 10 to 12 week bloom, the strong stretch and the lighter feeding that Haze-type sativas prefer make it a better second or third grow than a first one. These feminized seeds do grow female plants, which removes one task.
American Haze reviews
5.00 out of 5 from 9 reviews
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9 reviews for American Haze / California Haze Feminized Marijuana Seeds
American Haze's descendants in the Haze family
Neville's Haze Feminized
Amnesia Haze Feminized
Super Silver Haze Feminized
Purple Haze FeminizedBeaver Seeds sells cannabis seeds for collection and genetic preservation where permitted. Check the laws in your state, province or country before germinating seeds. Effects are user-reported and are not medical claims.
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Kenneth Scott –
A dream come true for novices, the plant. Gorgeous buds. Aroma first of mint and pine, then of lemon after a second whiff. because it’s simple to grow. It is resistant to pests and mold. has a wonderful flavor and aroma, and it gave me energy to be creative throughout the day. My previous seedlings are providing me with an abundant crop! Without a doubt, I will tell my friends about this!
Jesse Beauchemin –
This is one of my personal favorites. I love the berry scent, the big, beautiful buds. American Haze provides an uplifting feeling and makes me sleepy! I’ve never had such a high yield before, so this is fantastic. It’s also a stunning plant, with vibrant green hues and a thick coating of gleaming resin. I adore you!! It is also the only thing that relieves my pain. Thank you!!!
Raymond Kirby –
My entire friends and I smoke American haze! We were very trippy and happy during that day! We also admire the flavors that come out of the smoke, like fresh herbs, sweet and citrus tones that we likely smell. After we smoke it, we felt our body relieved from all the muscle pain and psychological illnesses we experience.
William Saylor –
Kick-ass strain! It’s very hard-hitting, strong cerebral buzz, uplifting feeling, and gives a good mood! It flourishes well in sunny climates and develops a branchy structure, jade-green leaves, and dark green buds that wraps in trichomes. The American Haze x California Haze taste like lemons and wood that pops in my mouth! FAVORITE!
Jack Reynolds –
WOW! After just a few tokes and I got the uplifting feeling and euphoric hit that made me drowsy and fell asleep quickly! Its taste is like drinking a fresh lemonade with a strong sour tang and lemon aftertaste. The seeds I have grown before offer me bountiful yield! I will surely recommend this to my friends!
Zoe M. –
It grows tall and thin thus it needs an upright space to have a thick yields. Energized my day lead to do creative activities. You must prepare food after taking it,surely hunger strikes. Its sweet herbal aroma is refreshing. I recommend this strain!…
An Schuster –
The plant is a dream for beginners. Beautiful buds. Minty, pine aroma, after the second sniff the lemon scent came through. Best strain of all times. The effects are very relaxing, mild to high euphoria, and it feels as if you just arrived in a different planet. Good for evening to night use, it will keep you calm, yet not couch locked.Go grab as much as you can.
Da. Ackman –
Impressive strain. Easy to cultivate. It has resistance to the mold and pests. Dense buds covered in white crystal trichomes. Smells great and tastes great. I experienced great calm & was very happy & positive while smoking it. Makes all the pain and stress disappear instantaneously. Definitely recommended.
Ve. Walker –
A Wonderful experience to grow this strain.I had no problems during the grow. The plants are covered with tight buds with sour aroma. Decent smooth smoking and quickly resettles your brain into trippy mode. Energetic and nice high. An edge in treating stress, depression, and chronic fatigue. Absolutely recommended.