Blue Razz feminized cannabis plant in flower

Feminized seeds

Raspberry KushxUndisclosed

THC: 12-16%
Bloom: 8-9 wks
Yield/sq ft: 1.3-1.5 oz
Level: Easy

Blue Razz Feminized Seeds

From $65.00

Raspberry candy in a small, forgiving plant. A gentle balanced hybrid with reported 12-16% THC that finishes outdoors by late September.

THC12-16%
Bloom8-9 weeks
Height3-4 ft indoors
LevelEasy

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SKU: BMS-BR-FEMX Categories: Beginner Seeds, Feminized Seeds, Hybrid Seeds, Indoor Seeds, Outdoor Seeds

Quick answerBlue Razz is a balanced, easy-to-grow hybrid from Raspberry Kush and a parent that was never made public. It offers a sweet raspberry candy flavor, mild supplier-reported THC of 12-16%, an 8-9 week indoor bloom and an outdoor harvest in late September.

Blue Razz at a glance

THC12-16%Supplier reported. A mellow pick for lighter sessions.

Flowering8-9 wksStarting at 12/12

Indoor yield1.3-1.5 ozPer sq ft, basic tent

Height3-4 ftIndoors. 4-5 ft outdoors

Outdoor harvestLate SeptOne of our earliest finishers

DifficultyEasy, even for a first growCompact, uniform and tolerant of small mistakes

What is the Blue Razz strain?

Blue Razz is a reminder that not every great strain has to be a THC monster. Its known parent is Raspberry Kush, a berry-sweet member of the Kush family that brings the fruity flavor and an easy, relaxed mood. The second parent was kept private by its breeders, so we list it as undisclosed rather than guess.

What you get from the pairing is clear in the garden and in the jar. The plant stays short and orderly, the buds come out round and dense, and the flavor reads like raspberry hard candy. Phenotypes tend to match closely, and the berry smell shows up by the middle of flower.

Cool nights late in bloom often tint the flowers blue and purple under a light frost, which is where the name comes from. It is one of the most forgiving plants we carry, and these feminized seeds are bred to produce female plants, so every seed you start is working toward a harvest.

Raspberry KushUndisclosed parent

Raspberry Kush x Undisclosed parentFeminized line

Blue Razz

How it feels

People commonly describe Blue Razz as light and friendly: a gentle mood boost, some easy relaxation and no heavy fog. The day usually stays intact.

First 10 minutesGentle mood boost
A soft, cheerful lift that keeps your head clear.
30 to 60 minutesEasy relaxation
A loose, comfortable feeling that never turns heavy.
1 to 2 hoursClean fade
It tapers off smoothly, leaving room for errands or a walk.

Commonly reportedUpliftedRelaxedHappyCalm

Even at a reported 12-16% THC, new consumers should start small. Commonly reported downsides are dry mouth and dry eyes, and a few people feel anxious if they overdo it. General reports, not medical guidance.

Aroma, flavor and terpenes

Fresh raspberry and mixed berries lead, sweet candy fills the middle and the finish stays soft and sugary. It smells like a bag of berry sweets, with only a faint Kush earthiness underneath.

Flavor notesRaspberryCandySweetBerry

MyrceneBerry, earth

Rounds out the ripe-fruit base with a soft, earthy depth.

LinaloolFloral, sweet

Adds a gentle floral sweetness to the raspberry candy.

CaryophylleneSpice, wood

A light spicy note that hints at the Kush parent.

Berry aromas are best kept with a slow dry. Hang branches at about 60°F and 60% humidity for 10-14 days, then cure in sealed jars for two weeks or more.

How to grow Blue Razz

Rated easy. Blue Razz tolerates small mistakes, stays compact and finishes early, which makes it an excellent first strain.

Indoors

Veg climate: 70-80°F, 55-65% RH
Flower climate: 65-78°F, 45-50% RH
Late flower: About 40-45% RH; cooler nights for color
Light: 600-850 PPFD in flower (LED)
Training: Optional topping and simple LST
Feeding: Light; a standard bloom feed is plenty

Outdoors

Plant out: After last frost, nights over 50°F
Size: 4-5 ft, garden friendly
Harvest: Late September
Best fit: Short-season states (USDA 4-10)
Watch for: Caterpillars and mold in dense buds
Protect: Thin lower growth; inspect after storms

Read the full indoor grow guide

Blue Razz is about as low-stress as a photoperiod plant gets. It reaches 3 to 4 feet indoors with sturdy branches that hold their buds without much support, so a 2×2 or 2×4 ft tent is enough for one or two plants. If this is your first grow, it is a good teacher.

Environment

Vegetative: 70-80°F with 55-65% relative humidity.
Flower: 65-78°F at 45-50% RH, easing down to about 40-45% in the last two weeks so the round buds stay free of bud rot.
Color: letting nights run a few degrees cooler near the end of flower encourages the blue and purple hues.

Light and training

It does not need a high-powered light. Around 450-650 PPFD in veg and 600-850 PPFD in flower under LED is enough. Training is optional: one round of topping and a little low-stress training will even out the canopy, but an untrained plant still does fine.

Feeding

Go light. A basic veg and bloom nutrient line at modest strength covers its needs, and overfeeding is the most common way new growers cause problems with it. Watch leaf tips for nutrient burn and back off if they crisp.

Harvest timing

Most plants finish 8 to 9 weeks after the switch to 12/12. Check the trichomes and pull when most are cloudy for the lightest, clearest effect.

Seed to jar in about 20 weeks

A typical indoor grow with a modest veg. The flowering stretch is fixed by genetics, so planning is simple.

Germinate1 wkSeedling2 wkVegetate4 wkFlower9 wkDry and cure4 wk

Week 1Week 20

Germinate weeks 1-1
Paper towel at 75-80°F
Seedling weeks 2-3
Gentle light, 65-70% RH
Vegetate weeks 4-7
Optional top, light LST
Flower weeks 8-16
8-9 weeks after the flip
Dry and cure weeks 17-20
60°F, 60% RH, then jars

Growing Blue Razz outdoors in the US

Outdoors is where Blue Razz really earns its spot. It usually finishes in late September, weeks ahead of many hybrids, which makes it one of the safest choices for short seasons and northern gardens. Plants stay a manageable 4 to 5 feet tall, easy to tuck into a backyard bed or a large container.

Plant out after your last frost once nights stay above about 50°F. The early finish lets you dodge much of the cold October rain that hurts later strains, but its dense buds still deserve an inspection after storms, and caterpillars are worth watching for in late summer. See our outdoor planting guide for timing by USDA zone.

Each state sets its own home-grow rules and plant limits. Check what applies to you on our marijuana laws by state page first.

Will it finish where you live?

ExcellentInland California and the Southwest

Sunny, dry weather carries it to a late-September finish with ease.

ExcellentColorado Front Range and Utah valleys

The early harvest comes in well before the first hard frost at most elevations.

GoodMidwest

A late-September finish beats most of the cold, wet weather that hits in October.

GoodNortheast

It ripens before the worst fall rain, though humid Augusts call for pruning.

FairSoutheast and Gulf Coast

It finishes fast, but heavy humidity and storms still threaten the dense buds.

Make sure home growing is allowed in your state first. Laws by state

Who Blue Razz is for

First-time growersA forgiving, uniform plant that teaches the basics without punishing mistakes.
Low-THC fansPeople who want a mild, social experience instead of a heavy, high-potency one.
Short-season gardenersA late-September harvest suits northern states and higher elevations.
Small spacesA 3-4 ft indoor height that fits closets, 2×2 and 2×4 ft tents.

Keep exploring

Beginner seedsEasy strains for a first grow Outdoor seedsGenetics that finish well in the garden How to germinate seedsStart strong with healthy seedlings Strain finderMatch a strain to your space and taste

Blue Razz strain data sheet

Genetics

Seed type: Feminized
Genetics: Balanced hybrid (about 50% indica, 50% sativa)
Lineage: Raspberry Kush x Undisclosed

Potency & profile

THC: 12-16% (supplier reported)
CBD: 0.1-1%
Commonly reported effects: Calm, Happy, Relaxed, Uplifted
Flavors: Berry, Candy, Raspberry, Sweet
Dominant terpenes: Caryophyllene, Linalool, Myrcene

Growing

Flowering time: 8-9 weeks
Height: 3-4 ft indoors, 4-5 ft outdoors
Difficulty: Easy
Climate: Mild, 65-80°F, moderate humidity, 40-50% RH in late flower
Best USDA zones: 4-10 (handles short seasons)
Outdoor harvest: Late September

Yield

Indoor yield: 1.3-1.5 oz per sq ft
Outdoor yield: 16-18 oz per plant

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

Blue Razz FAQ

Is Blue Razz indica or sativa?

Blue Razz is a balanced hybrid, sitting close to an even indica and sativa mix. It grows compact like its Kush parent, and its effects are usually described as a light mood lift with easy relaxation.

How strong is Blue Razz?

Our supplier reports THC around 12-16%, which is mild by today's standards. That makes it a good fit for newer consumers or anyone who prefers a gentler experience, though results vary with growing conditions.

How long does Blue Razz take to flower?

Indoors, it typically finishes 8 to 9 weeks after the switch to 12/12. Outdoors in the US, harvest usually arrives in late September.

How much does Blue Razz yield?

Indoor grows can produce about 1.3 to 1.5 ounces per square foot. Outdoors, plants in full sun can produce roughly 16 to 18 ounces each with good care.

Is Blue Razz good for beginners?

Yes. It is rated easy, stays short and uniform, needs only light feeding and tolerates small errors, which makes it one of the best first grows in our catalog.

What does Blue Razz smell and taste like?

It tastes like raspberry candy, with mixed berry and sugary sweetness and a hint of earthy Kush underneath. Myrcene, linalool and caryophyllene are commonly reported in this kind of berry profile.

Where does Blue Razz grow best in the US?

Its late-September finish makes it a strong outdoor choice almost anywhere, especially the Southwest, Colorado valleys, the Midwest and the Northeast. The humid Gulf Coast is the toughest region because of its dense buds.

Why is it called Blue Razz?

The name combines its raspberry flavor with the blue and purple shades its buds often take on when nights cool late in flower. The color depends on temperature and phenotype, so not every plant turns blue.

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