Black Domina Grow Guide: Flowering Time, THC & Genetics

Black Domina is an almost pure Indica feminized photoperiod strain from Sensi Seeds created from four classic Indica lines: Northern Lights, Ortega, Hash Plant, and Afghani SA. It is known for compact growth, heavy resin production, dark foliage and flowers, a strong central cola, and a particularly short flowering period.

Heavy, trichome-coated indicas are always satisfying to grow. For that frosty White Widow look in a fast, fuss-free form, our White Widow Auto brings a resinous, balanced plant with a pungent aroma and a relaxing, well-rounded high, a dependable pick for small spaces and short seasons.

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Black Domina Seeds

	THC	18% - 22% (Medium)
	Lineage	NL x Afghani x Ortega x Hash Plant
	Type	Feminized
	Height	6.56 ft | 2 m
	Yield	High
	Yield Indoor	1.31 - 1.8 oz/ft² | 400 - 550 g/m²
	Flowering Time	7 - 9 weeks
	Phenotype	90% Indica / 10% Sativa
	Effects	Relaxed, Giggly, Happy
	Flavors	Pepper, Pine, Earthy, Spicy

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3 Seeds - $505 Seeds - $80 Add to cart

Afrodite Seeds

	THC	22% - 23% (Medium)
	Lineage	Jack Herer x Black Domina
	Type	Feminized
	Height	6.56 ft | 2 m
	Yield	Medium
	Yield Indoor	1.31 oz/ft² | 400 g/m²
	Yield Outdoor	21.16 oz/plant | 600 g/plant
	Flowering Time	8 - 9 weeks
	Phenotype	35% Indica / 65% Sativa
	Effects	Energetic
	Flavors	Earthy, Spicy

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5 Seeds - $5010 Seeds - $94 Add to cart

Heavy, resin-drenched indicas never go out of style, and there are two potent options here. Our Wonder Woman pairs skunky punch with a relaxing body effect, while Dutch Passion’s White Widow x The Ultimate is a powerful regular cross built on classic White Widow genetics. Both reward careful growing with dense, trichome-coated flowers.

Sensi Seeds describes Black Domina as 95% Indica and gives a flowering period of around 50 days. The current Growlantis product listing places THC at approximately 18–22% and indoor yield at around 400–550 g/m², while the breeder itself describes production as heavy rather than publishing a current numerical yield figure.

You can find Black Domina seeds and other genetics from Sensi Seeds at Growlantis.

Black Domina Grow Info

Sensi Seeds does not currently publish one universal numerical plant height or exact THC percentage on its official Black Domina Feminized specification, so those figures should not be presented as breeder guarantees.

Black Domina Genetics

Black Domina combines four classic Indica genetic lines: Northern Lights, Ortega, Hash Plant, and an Afghanica selection known as Afghani SA.

The Northern Light side of the breeding background is associated with heavy resin production. Ortega reinforces the strong Indica character, while Hash Plant contributes to the cultivar’s short flowering period and substantial flower production. Afghani SA adds robust growth and stable flower clusters.

Together, these genetics produce a plant that Sensi Seeds currently describes as 95% Indica. This is more precise than older descriptions presenting Black Domina as simply a 90/10 hybrid.

The cultivar’s four-way Indica heritage also explains its compact structure, strong central cola, heavy resin coverage, and relatively limited vertical stretch during flowering.

Is Black Domina Indica or Sativa?

Black Domina is an almost pure Indica, with Sensi Seeds stating that the cultivar contains approximately 95% Indica genetics.

Its growth pattern reflects this strong Indica influence. Plants remain compact, develop dense foliage, and tend to concentrate substantial flower production around a solid central cola rather than producing the elongated structure associated with many Sativa-dominant cultivars.

The breeder also reports relatively little height gain once flowering begins, making Black Domina particularly suitable for indoor environments where vertical space is limited.

The 95% figure should be treated as a breeder classification of the genetic background rather than a precise genomic measurement of every individual plant.

Black Domina Plant Structure and Height

Black Domina is best described as a compact strain rather than assigning one universal numerical height.

Sensi Seeds specifically states that Black Domina Feminized has relatively small height gain during flowering. This makes the cultivar useful in grow tents and indoor rooms where growers want to maintain a manageable canopy.

Final size still depends on vegetative duration, root volume, lighting, training, and phenotype. A plant allowed to remain in vegetation for substantially longer can naturally become larger than one switched to flowering early.

For that reason, growers should plan around Black Domina’s compact morphology and limited flowering stretch instead of assuming every plant will finish at a fixed height such as two meters.

Growing Black Domina Indoors

Black Domina is particularly well suited to indoor cultivation. Sensi Seeds specifically describes the cultivar as optimally adapted to artificial lighting, with compact growth and a short flowering period that make efficient use of indoor space.

An 18/6 light schedule is a practical option during vegetative growth. Once the canopy has reached the required size, changing to 12 hours of light and 12 hours of uninterrupted darkness initiates flowering.

There is no fixed vegetative duration that every Black Domina plant needs. Growers can adjust this stage according to available canopy area, desired plant size, root development, and plant number.

Because Black Domina stretches relatively little compared with many photoperiod cultivars, growers can generally allow the vegetative canopy to develop further before the switch without expecting extreme vertical growth during bloom.

Sea of Green With Black Domina

Sea of Green is particularly well suited to Black Domina because the cultivar naturally develops compact plants with strong central colas.

Sensi Seeds specifically highlights SOG as a productive cultivation method for Black Domina. The technique takes advantage of its limited flowering stretch and tendency to concentrate substantial flower mass around the main stem.

The objective is to create an even canopy where individual plants receive adequate light without becoming overcrowded.

Plant density should still allow enough air to circulate between developing flowers. Increasing the number of plants beyond what the space can support can reduce light penetration and create localized humidity around dense buds.

SCROG, supercropping, and lollipopping are also identified by the breeder as compatible training methods, so the final technique can be adapted to plant number and available space.

Training Black Domina

Black Domina does not require aggressive training to remain manageable because its natural structure is already compact.

Low-stress training can be used when individual branches begin creating an uneven canopy, while topping can encourage several productive growth points when performed during healthy vegetative development.

A SCROG setup can help distribute branches across a wider area when growers prefer fewer, larger plants instead of the higher plant density normally associated with SOG.

Sensi Seeds also lists supercropping and lollipopping among techniques to which Black Domina responds well.

Training should remain purposeful. The best method is the one that improves light exposure and airflow in the actual growing space rather than simply applying every available technique to the same plant.

Black Domina Flowering Time

Black Domina has a particularly short flowering period. Sensi Seeds currently gives a reference of around 50 days, equivalent to approximately seven weeks after flowering begins.

This is more precise than the broader 7–9 week ranges sometimes associated with the cultivar.

The 50-day figure refers only to the flowering stage. Black Domina is photoperiod dependent, so the grower controls how long plants remain in vegetative growth before switching the light schedule to 12/12.

Individual phenotypes and cultivation conditions can shift final maturity slightly, so the breeder timeline should guide inspection rather than operate as an automatic harvest deadline.

For a broader explanation of development during bloom, see the Growlantis guide to the cannabis flowering stage week by week.

Black Domina Yield

Sensi Seeds currently classifies Black Domina Feminized as a heavy-yielding cultivar, while the Growlantis product listing gives an indoor reference of approximately 400–550 g/m².

The breeder does not currently publish one numerical indoor yield on the official product page, so the Growlantis range should be understood as a catalog reference rather than a guaranteed result.

Final production depends on canopy area, lighting, vegetative duration, root volume, plant density, training, nutrition, environmental stability, and phenotype.

Black Domina’s compact structure and strong central cola make efficient indoor production possible, particularly when a suitable SOG setup allows multiple plants to create an evenly illuminated canopy.

Growing Black Domina Outdoors

Black Domina can be grown outdoors, but its breeder specifically favors warm, sunny climates with long summers, similar to Mediterranean conditions.

The cultivar is better known as an indoor strain, where its compact structure and rapid flowering can be controlled more easily. Outdoor cultivation therefore makes most sense where temperatures and sunlight remain favorable long enough for the plant to complete its cycle without prolonged cold or wet conditions.

Choose a location with strong direct sunlight and good drainage. Plant spacing should allow enough circulation around the dense foliage and flowers as maturity approaches.

Sensi Seeds does not currently publish one universal outdoor height, yield, or exact harvest week for Black Domina, so these values should not be invented from unrelated grow reports.

Germinating Black Domina Seeds

Black Domina does not require a unique strain-specific germination method.

Stable warmth, consistent moisture, sufficient oxygen, and careful handling remain the main priorities while the seed opens and develops its first root.

Seeds can be started in a suitable propagation medium or with another controlled germination method. The material surrounding the seed should remain moist without becoming permanently saturated.

Once the root emerges, transfer the seed carefully into the chosen medium and avoid damaging the root tip.

Young seedlings initially occupy only a small portion of their container, so irrigation should reflect the limited root volume rather than repeatedly saturating the entire medium.

For more detailed guidance, see how long cannabis seeds take to germinate.

Black Domina Vegetative Growth

During vegetative growth, Black Domina builds the roots, foliage, and branch structure required for flowering.

An indoor light schedule such as 18/6 allows growers to keep the plant in vegetation until it reaches the appropriate size for the available space.

Because Black Domina stretches relatively little during bloom, the vegetative stage plays a particularly important role in determining final plant dimensions. A longer vegetative period creates a larger canopy, while an earlier 12/12 switch keeps plants smaller.

This is also the best stage for most topping, low-stress training, SCROG preparation, or other structural work.

Once flowering is established, canopy management should become progressively less aggressive as dense, resinous flowers begin adding weight to the branches.

Flowering Black Domina

After the indoor photoperiod changes to 12/12, Black Domina enters its relatively short flowering stage.

The cultivar typically maintains a compact structure with limited vertical stretch while concentrating increasing amounts of flower mass and resin around its main and lateral growth sites.

Dark green foliage can become particularly striking, and Sensi Seeds notes that plants may appear almost black under certain lighting. Deep purple coloration can also appear in the flowers alongside orange pistils and heavy trichome coverage.

As bloom progresses, avoid allowing dense plants to become excessively crowded. Maintaining space for light and air around flowering sites becomes increasingly important as the approximately 50-day maturity window approaches.

Black Domina Nutrient Schedule

Black Domina does not have a breeder-published strain-specific NPK schedule requiring one exact ratio during vegetation or flowering.

During vegetative growth, use a balanced program appropriate to the chosen substrate that provides sufficient nutrition for root, stem, and leaf development.

As flowering begins, transition to a suitable bloom-oriented program according to the nutrient system being used. This normally involves less emphasis on vegetative nitrogen as flower production becomes the plant’s primary developmental focus.

Avoid treating a fixed ratio such as 3-1-2 as mandatory for Black Domina. Nutrient concentration should be adjusted according to medium, water quality, plant size, and actual response rather than strain name alone.

Watering Black Domina

Watering frequency should follow root-zone conditions rather than a predetermined weekly schedule.

Young Black Domina plants require much less water than mature flowering plants because their root systems occupy a smaller portion of the growing medium.

Container size, substrate, lighting, temperature, humidity, and plant size all influence how quickly moisture is consumed.

Allow enough air to return to the root zone between irrigations instead of maintaining permanently saturated conditions. Compact above-ground growth does not mean roots benefit from constant moisture.

As plants become established and flower production increases, adjust irrigation gradually according to actual demand rather than automatically increasing volumes at a particular calendar week.

Airflow and Dense Black Domina Flowers

Black Domina produces dense flower clusters, so airflow becomes increasingly important as the plant approaches maturity.

Good circulation should move air gently above, through, and below the canopy while ventilation removes warm and humid air from the growing area.

Sensi Seeds describes the Afghani SA component of Black Domina as contributing robust growth and resistance to mold and disease. That genetic characteristic should not be interpreted as immunity to problems caused by prolonged moisture or overcrowding.

An open canopy and sensible plant spacing still matter, especially in SOG setups where several compact plants occupy the same area.

When to Harvest Black Domina

Black Domina normally approaches indoor maturity after approximately 50 days of flowering.

Use this breeder figure as the main chronological reference while inspecting the actual flowers as harvest approaches.

Phenotype and growing conditions can shift final maturity slightly, so plants should not automatically be harvested on day 50 simply because the average breeder timeline has been reached.

Evaluate overall flower development and trichome maturity alongside elapsed flowering time.

For outdoor plants, local conditions become particularly important because Sensi Seeds does not publish one exact universal outdoor harvest date. Growers should combine flower maturity with seasonal weather rather than applying an indoor calendar directly to outdoor cultivation.

Black Domina THC Level

The current Growlantis catalog lists Black Domina at approximately 18–22% THC.

Sensi Seeds’ current official product page emphasizes the cultivar’s strong potency but does not publish one exact THC percentage in its visible technical specification.

The 18–22% figure should therefore be treated as the current Growlantis product reference rather than a guaranteed laboratory result for every Black Domina plant.

Measured THC can vary with phenotype, light, cultivation conditions, plant health, harvest timing, drying, curing, and laboratory methodology.

This distinction is useful when comparing older Black Domina descriptions that may publish substantially different potency figures without identifying the exact source.

Black Domina Effects

Sensi Seeds describes Black Domina as producing very strong physical relaxation with a heavily sedating character.

The breeder specifically associates the strain with evening rather than daytime use because of the intensity of the body-focused experience.

Individual effects can still vary according to dose, tolerance, phenotype, cannabinoid profile, and finished flower quality.

For that reason, these descriptions should be understood as breeder-reported characteristics rather than guaranteed responses.

The cultivar should also not be presented as treating insomnia, pain, anxiety, depression, inflammation, or other medical conditions simply because some users report those experiences.

Black Domina Flavor and Aroma

Black Domina has a distinctive old-school Indica sensory profile.

Sensi Seeds describes subtle blackberry and pepper notes followed by a black hashish finish, all resting over an earthy Afghani background.

This profile is more reliable for the exact cultivar than generic terpene descriptions that assign specific dominant compounds without analytical data.

The dark appearance also contributes to Black Domina’s identity. Mature plants can display extremely deep green foliage, dark purple stripes through the flowers, bright orange pistils, and heavy resin coverage.

Common Problems When Growing Black Domina

Using the Wrong Indica Ratio

Black Domina is currently described by its breeder as 95% Indica. Older catalog descriptions can list a 90/10 split, but growers using the Sensi Seeds version sold by Growlantis should prioritize the breeder’s current classification when describing the cultivar’s genetics and general growth pattern.

Assuming Black Domina Reaches a Fixed Two-Meter Height

Sensi Seeds describes Black Domina as compact with relatively little height gain during flowering and does not currently publish a universal numerical height. Final size depends on vegetative duration, root space, light, training, and phenotype, so planning around its compact structure is more accurate than assuming a fixed two-meter plant.

Following a Fixed NPK Formula

There is no official Black Domina nutrient schedule requiring an exact 3-1-2 ratio during vegetation. Feeding should reflect the growing medium, fertilizer system, water quality, root development, growth stage, and actual plant response rather than numbers presented as mandatory characteristics of this strain.

Overcrowding a Sea of Green

Black Domina is particularly suitable for SOG, but high plant density still requires adequate canopy organization. Plants placed too closely together can restrict airflow and light around dense flowers. The aim is an even productive canopy with enough space for circulation rather than simply fitting the maximum number of plants into the room.

Treating 50 Days as an Automatic Harvest Date

Around 50 days is the breeder’s flowering reference, not a guarantee that every Black Domina phenotype matures on exactly the same day. Use the timeline to decide when to begin inspecting flowers closely, then evaluate actual development and trichome maturity before making the final harvest decision.

FAQs About Black Domina

How long does Black Domina take to flower?

Sensi Seeds currently describes Black Domina Feminized as having a short flowering period of around 50 days, which is roughly seven weeks after flowering begins. Individual phenotypes and growing conditions can shift the finish slightly, so use the breeder timeline as a reference and confirm actual flower maturity before harvesting.

Is Black Domina indica or sativa?

Black Domina is an almost pure indica. Sensi Seeds states that the cultivar contains 95% indica genetics and develops compact plants with a strong central cola, dense flowers, and limited height gain during bloom. That breeder classification is more accurate for this version than the older 90% Indica figure currently shown in parts of Growlantis.

What is the THC level of Black Domina?

Growlantis currently lists Black Domina at 18–22% THC, while Sensi Seeds’ current official product page emphasizes its potency without publishing an exact THC percentage. The Growlantis figure should therefore be treated as a catalog reference rather than a guaranteed laboratory result for every plant or harvest.

How tall does Black Domina grow?

Sensi Seeds describes Black Domina as a compact plant with relatively little height gain during flowering but does not currently publish one universal numerical height. Final size depends on vegetative duration, root space, light, training, and phenotype, so growers should plan around its compact structure rather than assume a fixed two-meter height.

Can Black Domina be grown outdoors?

Yes. Sensi Seeds states that Black Domina can be grown outdoors where summers are warm, sunny, and long enough, with Mediterranean-type conditions being the best fit. It is primarily well suited to indoor cultivation, so outdoor growers should make sure the season provides enough heat and light for the plant to finish properly.

What nutrient schedule does Black Domina need?

Black Domina does not have a breeder-published strain-specific NPK schedule. Use a balanced vegetative program while the plant is building roots and foliage, then transition to a suitable flowering formula for the chosen medium. Adjust strength according to plant response instead of treating a fixed 3-1-2 ratio as mandatory.