LA Ultra cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 18%%
IndicaFeminizedIn Stock

LA Ultra Feminized

S1 FeminizedSee Lab Report →

Well-balanced feminized indica with euphoric and calm effects and dense bud formation. Ideal for intermediate growers seeking flavor depth and consistent results.

Flavor:Blueberry, vanilla, warm spice

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
18%
Flower
7 - 9 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Defoliate selectively to open airflow around the inner canopy

Select Pack Size
$16.09CAD

Premium stabilized genetics · germination guaranteed

Delivers medium-high harvests under balanced light and nutrients
Blends euphoric and calm sensations — perfect for evening
Premium indica genetics refined for home growers

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Popular strain — limited batches available
Top-rated by Canadian home growers

Royal King Genetics — first-party test batch

Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-02-18 on 250 seeds.

Germination rate: 96.9% (n=250)
Last QC test date: 2026-02-18
Indoor yield: 493-626 g/m² (avg across 9 verified grower reports)
Outdoor yield: 525-798 g/plant (avg across 8 verified grower reports)

About LA Ultra Feminized

Spend enough time growing cannabis and you develop a nose for strains that back up their genetics with actual results. LA Ultra Feminized is one of those cultivars. The indica profile reads 72% indica and 28% sativa, which shows up in both the plant structure and the stone — a physically present effect that grounds you without knocking you sideways.

The Myrcene-led terpene profile (earthy, musky) is not something the breeder slapped on a label — you can smell it from across the room during week six of flower. When the mushroom and soil notes lock in during the cure, the jar becomes something you want to open slowly and enjoy. At 16-20% THC, the potency supports the terpenes rather than overshadowing them.

Effects & Experience

Growers who test their own harvests know that LA Ultra Feminized delivers on the Euphoric promise the genetics carry. The onset is not a slow build — it is present within minutes, establishing the indica character of the session early. The 72/28 ratio is not just marketing; you can feel it. The indica side brings physical depth and a warmth that settles into the muscles. The sativa side contributes enough cognitive presence to keep you aware and engaged.

Mid-session, the Calm quality peaks. This is the heart of the LA Ultra Feminized experience — the 20-to-45-minute window where the strain is doing exactly what it was bred to do. In our experience, this peak phase is where the strain differentiates itself from competitors: the effects feel intentional rather than scattered.

The tail end of the session introduces undefined and a gradual return to baseline. Sleep comes easily if you let it. The sedation is natural rather than forced — like being gently persuaded rather than clubbed. The total duration runs 2-3 hours for most consumers.

A practical note: LA Ultra Feminized pairs well with quiet activities — music listening, meditation, stretching, or simply sitting outside and watching the sunset. At 16-20% THC, dose thoughtfully and the experience will reward you.

Flavor & Terpene Profile

The mushroom character of LA Ultra Feminized is the first thing anyone notices, and it is the last thing that fades after a session. This is a strain that wears its terpene profile openly. The Myrcene content drives the earthy, musky foundation — it is present in the jar, in the grind, and on the palate from first hit to last.

What makes the flavor interesting rather than one-dimensional is the soil secondary layer. It does not compete with the mushroom primary note; it adds depth beneath it. On the inhale, you get clean mushroom with moderate density. On the exhale, soil reveals itself alongside a mossy whisper that you might miss if you are not paying attention.

Temperature makes or breaks the experience with LA Ultra Feminized. Growers who vaporize their own harvest learn quickly that this strain has a sweet spot around 355°F where the Myrcene and Terpinolene terpenes express themselves fully without burning off. Go too low and you get wisps of flavor without the body. Go too high and the nuance collapses into a generic roasted character. Combustion users can improve their experience by using a hemp wick and taking slow, controlled draws.

From a science perspective, the Myrcene-Terpinolene pairing is significant. Myrcene delivers earthy, musky taste and sedating and physically relaxing pharmacological effects, while Terpinolene contributes herbal, floral, woody complexity and its own mildly sedating with creative undertones properties. Together, they create a more complete experience than either could alone — the technical term is terpene synergy, and LA Ultra Feminized is a clear example.

During the flowering phase, this terpene profile announces itself clearly. Carbon filtration is not optional for indoor growers — by mid-flower, the mushroom aroma is pungent enough to be noticed outside the grow space. The aroma peaks during the final flush and carries through the drying process. Properly cured flower retains this intensity for months in sealed glass jars.

Growing LA Ultra Feminized in Canada

Real talk about growing LA Ultra Feminized: it does what the genetics say it will do, which is more than you can say for half the seeds on the market. This autoflower cultivar finishes in 70-85 days from germination, stays within 80-120cm indoors, and produces 400-550g/m² when the environment is dialed in.

Indoor Growing Profile: The indica structure means short, bushy plants with heavy lateral branching. Plan for 4-6 plants per 4x4 tent in a SOG layout, or 2-4 in a ScrOG setup with extended veg time. Lighting should target 600-800 PPFD during flower using full-spectrum LED.

The Canadian Outdoor Challenge: Every Canadian outdoor grower is racing the calendar. Autoflowering genetics give you a head start — the lifecycle is complete in under 90 days regardless of photoperiod, which means harvesting in August while the weather is still cooperating. 450-650g/plant per plant is achievable in full sun with proper soil preparation.

Height Management: From flip to final height, LA Ultra Feminized adds 30-50% during the flower stretch. Manage the stretch with supercropping or tie-downs during the first two weeks of flower.

Feeding Schedule Notes: Week-by-week adjustments produce the best results. Ramp nitrogen during veg weeks 2-4, taper during the transition, and push P-K ratios during weeks 3-6 of flower when calyx development peaks. Add silica throughout for stronger stems and enhanced trichome production.

Pest and Disease in Canadian Conditions: Fungus gnats thrive in the damp conditions common in Canadian basements. Use yellow sticky traps, let your medium dry slightly between waterings, and top-dress with diatomaceous earth. Powdery mildew is the other Canadian grow room nemesis — keep humidity below 50% in flower and maintain airflow. Dense bud structures hide mold until it is advanced — inspect inner colas regularly.

Comparable strains worth considering: Killer Grape Feminized, Angel OG Feminized, Northern Lights Feminized. For growing fundamentals, reference our germination guide and our autoflower growing guide.

Maximizing LA Ultra Feminized in Your Garden

Getting the most out of LA Ultra Feminized comes down to a handful of decisions made before the seed even hits the medium. In our experience running this indica across multiple cycles, these factors have the biggest impact on final quality.

Container choice: Start and finish in the same container — 3-5 gallon fabric pots are the sweet spot for autoflowers. Going larger does not proportionally increase yield with autos, but going smaller definitely limits root development and final plant size. Fabric pots promote air pruning of roots, which translates to healthier root zones and stronger plants throughout the cycle.

Light intensity and spectrum: During veg, 400-500 PPFD with a full-spectrum LED provides the energy LA Ultra Feminized needs for solid structural development. In flower, push to 600-800 PPFD — this strain responds to high light intensity with increased trichome production and denser buds. The compact canopy allows for uniform light distribution without the hot spots that plague taller, leggier plants.

Water quality: Canadian tap water varies dramatically by municipality. Test your water's pH and PPM before starting. Ideal starting water is under 150 PPM with a pH of 6.0-7.0 (adjust to 6.0-6.5 for soil, 5.5-6.0 for coco/hydro). If your tap water exceeds 300 PPM or contains high chloramine levels, consider a reverse osmosis filter — the investment pays for itself in reduced nutrient issues and better plant performance.

Temperature manipulation: During the last two weeks of flower, dropping nighttime temperatures to 60-65°F can benefit LA Ultra Feminized in two ways: it encourages purple and dark coloration in phenotypes that carry the anthocyanin genes, and it slows metabolic activity slightly, pushing more energy into resin production. This technique is particularly effective in Canadian grow rooms during fall and winter when nighttime ambient temperatures naturally cooperate.

Training summary for LA Ultra Feminized: LST only. Bend the main stem at day 18-22, tie branches as they grow, and leave the plant alone after week 3 of flower. Autoflowers do not recover from high-stress training fast enough to justify the risk. Similar training approaches work for Killer Grape Feminized. Browse our autoflowering seeds for more genetics suited to these techniques.

Who LA Ultra Feminized Is For

Growers with a harvest or two under their belt are in the sweet spot for this strain. It expects basic competence but does not demand constant intervention. The autoflowering lifecycle removes the complexity of light schedule management, which is one less variable for beginners to worry about.

Indoor growers get the most consistent results with LA Ultra Feminized — the controlled environment lets the genetics express themselves fully. Outdoor growers in zones 5-7 can run this strain successfully, though timing the plant date to maximize the Canadian summer window requires planning.

Goal-based fit: - Yield hunters: Yields are respectable but not record-breaking — the quality of the flower compensates. - Flavor chasers: The mushroom terpene profile makes this one worth growing for the taste alone. - Potency seekers: At 16-20% THC, the numbers are solid without being extreme.

Who should skip this one: Anyone looking for an energizing daytime strain. This is evening genetics through and through.

How LA Ultra Feminized Compares

Where does LA Ultra Feminized sit among indica seeds available in Canada? Above average for flavor, competitive on potency at 16-20% THC, and on par with comparable strains in terms of cultivation demands.

The closest alternatives — Killer Grape Feminized or Angel OG Feminized — share the general indica profile but differ in specifics. LA Ultra Feminized wins on mushroom terpene intensity. The Myrcene-dominant profile creates a flavor that is immediately identifiable, which is not something every strain can claim.

Among autoflowering options, LA Ultra Feminized represents the current state of auto genetics: potency and yield numbers that approach photoperiod levels with the convenience of a fixed lifecycle. The gap has closed significantly — five years ago, recommending an auto to a serious grower was a stretch. Today, it is a legitimate choice.

The standout trait: the physical depth of the effects. Where other indicas relax, this one genuinely sedates at full dose.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 72%Sativa 28%

Strain Data Sheet

🧬THC18% - 21% (Medium-High)
🌿LineagePurple Punch × Blueberry
🔬TypeFeminized Indica
🌡ClimateContinental, Temperate
📅HarvestLate September - Early October
📏Height2.9 - 4.9 ft | 88 - 146 cm
⚖️YieldMedium - High
🏠Yield Indoor13.0 oz/ft² | 368 - 486 g/m²
🌳Yield Outdoor15 - 19 oz/plant | 418 - 536 g/plant
Flowering Time7 - 9 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Canadian Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in Canada under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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LA Ultra Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
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📱QR code verification
🔢Scratchable serial number

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LA Ultra Feminized— Breeder & Stabilization Detail

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — the internal breeding team at Royal King Seeds. Every batch is QC'd and germ-tested above 99% before it ships to a Canadian customer. Read the full breeding process or learn more on the about page.

Stabilization Level
F4
Generations Worked
4+
Breeding Program
Filial Stabilization (F4) — four-generation selection
Stabilization Notes — What This Means for Your Grow

Four filial stabilization rounds on the LA Ultra cross. The resin density is now uniform, and pheno-to-pheno yield variation falls inside ±10% of the published numbers.

Breeding Goal

Stabilize the LA Ultra cross over four selection generations.

Selection Focus

Picked for indica vigor, dense flower formation, and reliable finish times.

Pollen / Mother Source

Royal King Genetics in-house breeder room — pollen pulled from a generation-tracked sibling-male line.

Last Batch QC Verified
July 11, 2025· 99%+ germination
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