Blue Dream feminized cannabis plant in flower with long, frosty sativa-style colas

Feminized seeds

BlueberryxHaze

THC: 17-24%
Bloom: 9-10 wks
Yield/sq ft: 1.5-2 oz
Level: Moderate

Blue Dream Feminized Seeds

From $65.00

Ripe blueberry, vanilla and a soft herbal haze. A sativa-dominant Blueberry x Haze cross from California, known for heavy harvests and a clear, upbeat feel.

THC17-24%
Bloom9-10 weeks
Height3-5 ft indoors
LevelModerate

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SKU: BMS-BD-FEM Categories: Feminized Seeds, High Yield Seeds, Hybrid Seeds, Outdoor Seeds, Sativa Seeds Tag: Bestseller

Quick answerBlue Dream is a sativa-dominant hybrid, about 60% sativa, bred from Blueberry and Haze and first made famous in Santa Cruz, California. It is known for a sweet blueberry and vanilla aroma, supplier-reported THC of 17-24%, generous yields and a 9-10 week flowering time indoors.

Blue Dream at a glance

THC17-24%Supplier reported. A balanced, mid-to-high potency range.

Flowering9-10 wksAfter the switch to 12/12

Indoor yield1.5-2 ozPer sq ft with a filled screen

Height3-5 ftIndoors. 5-8 ft outdoors

Outdoor harvestMid OctMost US latitudes

Grower noteStretches 80-100% after the flipKeep veg short and spread new growth under a screen

What is the Blue Dream strain?

Blue Dream traces back to Santa Cruz, California, where growers paired a Blueberry indica with a Haze sativa. It went on to become California’s best-known sativa-dominant hybrid, and many seed makers have bred and reworked it since, so you will find slightly different takes on the same classic.

Each parent brings something you can see and smell. Blueberry adds the sweet berry nose, sturdier side branches and a touch of body calm. Haze adds height, long flower spears and a bright, clear head. The mix leans sativa, roughly 60/40, but it is far easier to handle indoors than a pure Haze.

For growers, the draw is the harvest. Blue Dream is a vigorous, hungry plant that rewards a screen of green with long, heavy colas. Because these seeds are feminized, you can expect female plants and skip the work of finding and removing males.

BlueberryHaze

Blueberry x HazeFeminized selection

Blue Dream

How it feels

Consumers often describe a gentle, mood-lifting start that settles into easy body comfort without much couch-lock. It is a common pick for afternoons and creative sessions.

First few minutesBright, happy lift
A clear, cheerful headspace that many people say gets ideas and conversation flowing.
30 to 60 minutesCreative cruise
Focus stays loose and creative while the body begins to unwind.
Later onSoft landing
The Blueberry side shows up as a calm, easygoing body feel rather than heavy sedation.

Commonly reportedCreativeUpliftedEuphoricRelaxed

Reported THC up to 24%: newer consumers should start small and wait before taking more. Dry mouth and dry eyes are the most common complaints, and some people report racing thoughts at higher doses. General reports, not medical guidance.

Aroma, flavor and terpenes

Sweet blueberry and vanilla on top, an herbal, slightly piney haze underneath and a light peppery snap on the exhale. It reads more like fresh berries than skunk, but it still needs a carbon filter in late flower.

Flavor notesBlueberrySweetHerbalVanilla

MyrceneEarth, ripe fruit

Rounds out the jammy berry base.

PinenePine, fresh herbs

Adds the crisp, foresty lift behind the fruit.

CaryophyllenePepper, spice

Gives the exhale a light, peppery edge.

Dry for 10-14 days at about 60°F and 60% humidity, then cure in jars for a few weeks to keep the berry and vanilla notes from fading.

How to grow Blue Dream

Rated moderate. Blue Dream grows fast and forgives small mistakes, but its big post-flip stretch and appetite in bloom need a plan.

Indoors

Veg climate: 72-82°F, 55-65% RH
Flower climate: 65-80°F, 40-50% RH
Stretch: 80-100% after the flip
Light: 750-1,000 PPFD in flower (LED)
Training: Short veg, top once, fill a SCROG net
Feeding: Heavy in bloom; raise P and K

Outdoors

Plant out: After last frost, nights above 50°F
Size: 5-8 ft in full sun
Harvest: Mid October
Best fit: Dry autumns, USDA 6-10
Cool nights: Handles them better than most sativas
Watch for: Mold in dense colas after fall rain

Read the full indoor grow guide

Blue Dream is a strong pick for a 4×4 ft tent. Indoors it usually finishes at 3 to 5 feet, but much of that height arrives after you switch to 12/12, when the Haze side can stretch 80 to 100 percent. Plan your veg time around that stretch rather than the plant’s size on flip day.

Environment

Vegetative: 72-82°F days, 55-65% relative humidity.
Flower: 65-80°F and 40-50% RH. The colas pack on real weight, so keep humidity at or below 50% and move air through the canopy from week four onward.
Night temps: it tolerates cooler nights better than most sativa hybrids, so a basement room that dips into the low 60s after lights-off is workable.

Light and training

Under LED, run roughly 600-800 PPFD late in veg and 750-1,000 PPFD in flower. Top once in veg for more main tops, then flip earlier than you would for an indica, once the plant fills about half of your screen. For the first two to three weeks of flower, tuck the stretching branches under the SCROG net to keep the canopy flat.

Feeding

This is a hungry plant in bloom. Step up phosphorus and potassium as flowers build, keep cal-mag in the mix under LED, and watch the leaf tips: slight tip burn means you have found its ceiling.

Harvest timing

Expect 9 to 10 weeks of flowering. Start checking trichomes with a loupe around week eight. Mostly cloudy heads keep the effect bright and creative, while waiting for some amber pushes it toward a calmer finish.

Seed to jar in about 22 weeks

A typical indoor run. Keep veg short, because Blue Dream can nearly double in height after the flip.

Germinate1 wkSeedling2 wkVegetate4 wkFlower10 wkDry and cure5 wk

Week 1Week 22

Germinate weeks 1-1
Moist paper towel, 75-80°F
Seedling weeks 2-3
Mild light, 65-70% RH
Vegetate weeks 4-7
Top once, flip at half-screen
Flower weeks 8-17
9-10 weeks, tuck the stretch
Dry and cure weeks 18-22
Slow dry, then jar cure

Growing Blue Dream outdoors in the US

Blue Dream made its name in California sunshine, and it still loves a long, bright season. In full sun, plants commonly reach 5 to 8 feet and can produce 21 to 28 ounces each. Plant out after your last spring frost, once nights stay above about 50°F, and give the roots plenty of room in a large container or a well-amended bed.

Harvest usually lands in mid October. Its tolerance for cool nights helps in northern states, but the colas are big and dense, so a week of fall rain is the real danger. Thin the interior in late summer, shake off heavy dew on cold mornings, and be ready to harvest a few days early if a long wet spell is in the forecast. Our outdoor planting guide covers timing for each USDA zone.

Home cultivation rules differ from state to state, including plant counts and where plants may be grown. Confirm what applies at your address before you put seeds in the ground.

Will it finish where you live?

ExcellentInland California and the Southwest

Its home turf: long, dry autumns ripen the big colas with little mold pressure.

GoodColorado Front Range and Utah valleys

Dry air suits dense buds and it handles cool nights; watch for early frost at elevation.

FairMidwest

Cool nights are fine, but a mid-October finish can run into frost and rain up north.

FairNortheast

Wet, humid autumns put dense colas at risk, so thin the canopy and plan a rain cover.

FairSoutheast and Gulf Coast

The season is plenty long, but constant humidity means steady airflow work.

Check your state's home-grow rules before you plant. Laws by state

Who Blue Dream is for

Fans of balanced sativasAdults who want a clear, upbeat profile that consumers often call creative rather than sleepy.
Yield chasersA vigorous plant that fills a screen and rewards strong light with long, heavy colas.
Growers ready to level upModerate difficulty makes it a natural next step once you can manage stretch and feeding.
Dry-climate outdoor growersCalifornia, the Southwest and dry mountain valleys bring it home in mid October.

Keep exploring

Sativa seedsUplifting, taller, creative-leaning genetics High yield seedsStrains bred for heavy harvests What is SCROG?How a screen tames a stretchy canopy Yield calculatorEstimate a harvest from your space and light How to grow indoorsTent, light and climate basics

Blue Dream strain data sheet

Genetics

Seed type: Feminized
Genetics: Sativa-dominant hybrid (about 60% sativa, 40% indica)
Lineage: Blueberry x Haze

Potency & profile

THC: 17-24% (supplier reported)
CBD: 0.1-1%
Commonly reported effects: Creative, Euphoric, Relaxed, Uplifted
Flavors: Blueberry, Herbal, Sweet, Vanilla
Dominant terpenes: Caryophyllene, Myrcene, Pinene

Growing

Flowering time: 9-10 weeks
Height: 3-5 ft indoors, 5-8 ft outdoors
Difficulty: Moderate
Climate: Mild to warm, 65-80°F, 40-50% RH in flower
Best USDA zones: 6-10 (best where autumn stays dry)
Outdoor harvest: Mid October

Yield

Indoor yield: 1.5-2 oz per sq ft
Outdoor yield: 21-28 oz per plant

Ranges are typical for this strain and vary with phenotype, environment and technique.

Blue Dream FAQ

Is Blue Dream indica or sativa?

Blue Dream is a sativa-dominant hybrid, usually described as about 60% sativa and 40% indica. It grows taller and stretchier than most indicas, and consumers often describe an upbeat start that settles into a relaxed body feel.

How strong is Blue Dream?

Our supplier reports THC of 17-24%. That is potent but not extreme by today's standards, and lab results vary with phenotype, growing conditions and harvest timing.

How long does Blue Dream take to flower?

Indoors, plan on 9 to 10 weeks after switching to a 12/12 light schedule. Outdoors in the US, most plants are ready in mid October.

How much does Blue Dream yield?

A well-run indoor setup can produce roughly 1.5 to 2 ounces per square foot. Outdoors, large plants in full sun can produce roughly 21 to 28 ounces each, depending on season length, soil and care.

Is Blue Dream good for beginners?

It is rated moderate. The plant is vigorous and fairly forgiving, but you need to plan for its 80-100% stretch after the flip and its heavy appetite in bloom. A short veg and a SCROG net keep it under control.

What does Blue Dream smell and taste like?

Sweet blueberry and vanilla lead, backed by herbal and pine notes with a light peppery finish. Myrcene, pinene and caryophyllene are the terpenes most often reported.

Where does Blue Dream grow best outdoors in the US?

It does best where autumn stays dry, such as inland California, the Southwest and the dry valleys of Colorado and Utah. It handles cool nights well, but in humid or rainy regions its dense colas need airflow and rain protection near the mid-October finish.

Why does Blue Dream stretch so much?

The stretch comes from its Haze parent. After the switch to 12/12, plants commonly grow 80-100% taller, so flip early and train the new growth under a screen to keep the canopy even.

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