

- Strain Type: Sativa-leaning hybrid
- Genetics: Haze × Black Widow
- Breeder: Shantibaba / Mr. Nice Seedbank
- THC Content: 27%
- CBD Content: N/A
- Terpene Profile: N/A
- Primary Flavors: Citrus peel, spice, earth, incense, herbs
- Flowering Time (Indoor): 56–70 days
- Outdoor Harvest Time: October
- Indoor Yield: 450–550 g/m²
- Outdoor Yield: Moderate
- Grow Difficulty: Easy to intermediate
La Niña carries one of the more complicated identities in classic Dutch cannabis breeding. Before Mr. Nice Seedbank released it under its current name, the genetic family had been associated with El Niño, an award-winning strain from the late 1990s. Shantibaba later chose the feminine La Niña name for the Haze × Widow hybrid maintained within the Mr. Nice collection. Beneath that history lies a deceptively simple breeding idea: combine a pure Haze female with the father from the original Widow family and let the two sides compete rather than forcing the offspring into a narrow indica or sativa mold. Mr. Nice still describes the cultivar as part of its old-school genetic collection and gives an indoor flowering window of 56–70 days with production around 450–550 grams per square meter.
The finished marijuana reflects that tension between parents. Haze contributes length, mental intensity, incense, citrus, and an exploratory cerebral quality, while Widow brings resin density, physical depth, and the Brazilian/South Indian ancestry that made the original White Widow famous. Mr. Nice’s current North American catalog describes La Niña as capable of reaching approximately 27% THC and producing spicy, citrusy, earthy flower. Older descriptions focus less on laboratory numbers and more on the plant’s reliability, resin, vigor, and unusual balance of soaring mental effects with a heavier finish.
Genetics and Lineage
Mr. Nice simplifies the pedigree to Haze × Widow, but Shantibaba has provided a more useful explanation. In breeder discussions, he stated that La Niña was produced by breeding the original Widow father to a pure Haze female that was neither the famous Haze A nor Haze C used in several other Mr. Nice lines. The Widow family itself comes from a Brazilian sativa crossed with a South Indian hybrid, the original parent combination behind White Widow, which Mr. Nice later continued under the Black Widow name.
That pedigree gives La Niña considerable genetic range. The Brazilian contribution brings tropical sativa ancestry, the South Indian side contributes resin and heavier structural traits, and the pure Haze parent introduces another long-flowering, narrow-leaf influence. Individual plants can therefore differ noticeably. Some lean toward elongated Haze architecture, greater stretch, and a more electric high, while others display denser flowers, heavier resin coverage, and more physical influence from the Widow side.
The naming history deserves careful treatment because El Niño has appeared in multiple commercial contexts. Mr. Nice documentation identifies La Niña as the family member previously known as El Niño and connects it to the 1998 Bio Cup winner. Officially preserved 1998 competition results list El Niño from Green House Tolstraat as first in the Bio Cup and second in the overall Cannabis Cup. That historical connection should not be interpreted to mean that every modern seed line currently sold under the El Niño name is genetically identical to Mr. Nice La Niña.
Effects and Experience
The first phase can be unmistakably cerebral. La Niña tends to sharpen awareness of music, conversation, movement, and surrounding detail, producing the expansive quality for which good Haze hybrids are valued. Euphoria may arrive quickly, often accompanied by sociability, laughter, curiosity, and a desire to engage with something rather than simply sit still. Mr. Nice’s current description lists energy, euphoria, and sociability among the characteristic effects, while also acknowledging that relaxation and sedation can eventually become part of the experience.
That change in direction is what separates the cultivar from a purely tropical Haze. The Widow influence adds weight as the session develops. Mental activity may remain vivid, yet the body begins to settle, appetite can increase, and a previously energetic experience can become substantially more relaxed. Depending on phenotype and dose, the late stage may feel dreamy and contemplative rather than stimulating. A more Haze-dominant plant can remain mentally active for longer, while resin-heavy Widow expressions may reach the physical phase sooner.
Current Mr. Nice material places maximum THC as high as approximately 27%, so low-tolerance consumers should approach modern examples carefully. High doses of THC may transform an interesting cerebral effect into anxiety, racing thoughts, dizziness, impaired short-term memory, or uncomfortable sensory intensity. The same flower that feels creative at a modest amount may become sedating or disorienting at a larger dose.
Medical Benefits
The combination of mental elevation and later physical relaxation has led La Niña to be discussed in connection with stress, pain, appetite loss, and nighttime use. Mr. Nice’s current North American description mentions several of those applications, but those statements represent strain positioning rather than clinical proof that La Niña itself treats a diagnosed condition. No controlled clinical trial has established therapeutic efficacy for this specific cultivar.
Cannabis research in general provides a more appropriate evidence base. The National Center for Complementary and Integrative Health reports that cannabis or cannabinoids may provide modest benefit for some forms of chronic pain, while specific cannabinoid medicines have established roles in certain cases of chemotherapy-related nausea and vomiting and HIV/AIDS-associated appetite and weight loss. Sleep research is less definitive because improved sleep in studies may sometimes result from improvement in pain or another underlying symptom rather than a direct sleep effect.
A high-THC Haze hybrid is also not appropriate for every patient. Cannabis can cause dizziness, anxiety, sleepiness, impaired attention, and changes in judgment, and cannabinoids may interact with medications. Medical marijuana consumers should rely on current laboratory testing and individualized medical guidance rather than assuming the historical reputation of a strain predicts its therapeutic value.
Flavor Profile and Aroma
La Niña expresses an old-school aromatic spectrum rather than the candy-and-dessert character of many contemporary hybrids. Citrus peel and dry spice often appear first, followed by earth, herbs, sandalwood, floral tones, and a lingering incense character. Current Mr. Nice partner material describes the cultivar as spicy, citrusy, and earthy, while breeder-connected retail descriptions add sweet, herbal, floral, sandalwood, and exotic incense qualities.
The Haze side is most obvious in the drier, more aromatic portion of the profile. Incense, wood, spice, and citrus can linger on the palate after the sweeter notes disappear. Widow contributes more body to the smoke, adding earth, resin, and a thicker herbal quality that prevents the flavor from becoming thin or entirely Haze-driven. Phenotype selection can shift the balance substantially, with some plants leaning toward citrus and incense and others becoming darker, sweeter, and more resinous.
No original breeder chromatography panel assigns fixed percentages to individual terpenes, so it would be misleading to label one compound permanently dominant across the seed line. Cultivation conditions, phenotype, harvest timing, and storage all influence terpene expression. A controlled dry and cure are particularly valuable because the citrus and floral components can disappear quickly if flowers are dried too warm, leaving mainly earth, wood, and spice.
Growing Information
La Niña is unusually practical for a plant carrying significant Haze ancestry. Mr. Nice gives an indoor flowering range of 56–70 days, or roughly eight to ten weeks, considerably shorter than many traditional Haze cultivars. Indoor production is listed at approximately 450–550 grams per square meter, and the breeder recommends both organic and hydroponic cultivation as well as indoor, greenhouse, and outdoor environments.
Growth generally shows vigorous branching and enough internodal distance to reveal its sativa heritage without becoming unmanageable. Plants respond well to canopy management because lateral branches can be encouraged into productive flowering sites rather than allowing the tallest shoots to dominate available light. Haze-leaning individuals may stretch more strongly after flowering begins, so indoor growers benefit from establishing structure before the transition. More Widow-influenced phenotypes can remain comparatively compact and produce denser, more resin-heavy colas. Modern breeder-connected listings characterize this weed strain as medium in height and responsive to pruning and training.
Outdoor harvest is generally listed for October in the Northern Hemisphere and April in the Southern Hemisphere, although older preserved catalog material occasionally gives slightly earlier timing. Mr. Nice describes the plant as hardy and practical and historically recommended it to growers ranging from inexperienced to highly advanced. Outdoor yield is deliberately left climate dependent rather than assigned a universal number. Resin production can become substantial as flowers mature, so late-season airflow and humidity management remain worthwhile even with a robust plant. A slow post-harvest dry helps preserve the cultivar’s more delicate citrus, floral, and incense aromas instead of reducing the finished weed to simple earth and spice.
FAQ
What is the genetics of La Niña?
Mr. Nice Seedbank identifies La Niña as Haze × Widow. Shantibaba has explained the cross more specifically as the original Widow father bred to a pure Haze female that was neither Haze A nor Haze C. The Widow side descends from Brazilian sativa × South Indian hybrid genetics.
Who bred La Niña?
Shantibaba bred La Niña, and the cultivar is maintained by Mr. Nice Seedbank. Mr. Nice describes it as a genetic family member that had originally been kept private before being released commercially.
Is La Niña the same as El Niño?
Mr. Nice documentation says La Niña was previously known as El Niño and connects it with the cultivar that won the 1998 High Times Bio Cup. Historical Cup records list El Niño first in the Bio Cup and second overall that year. Because the El Niño name has subsequently been used in other commercial catalogs, growers should verify breeder and lineage rather than relying on the name alone.
How long does La Niña take to flower?
Mr. Nice lists approximately 56–70 days indoors, equivalent to roughly eight to ten weeks. Outdoors, the cultivar generally finishes around October in the Northern Hemisphere and April in the Southern Hemisphere.
What does La Niña taste like?
The profile combines citrus, spice, earth, herbs, floral tones, sandalwood, sweet resin, and Haze-style incense. Phenotype variation can push individual plants toward brighter citrus and floral notes or a heavier earthy and resinous Widow expression.
Final Thoughts on La Niña
La Niña is a useful reminder that some of the most interesting cannabis hybrids do not require elaborate modern pedigrees. A pure Haze female and the father of the original Widow family were enough to create a cultivar with remarkable genetic breadth: tropical Brazilian influence, resin-rich South Indian ancestry, pure Haze character, and a flowering window short enough to make the combination practical for many indoor gardens.
Its competition history gives the strain additional significance. Mr. Nice connects the line with El Niño, while surviving 1998 High Times Cannabis Cup results record El Niño from Green House Tolstraat winning the Bio Cup and finishing second overall. The later La Niña name preserves Shantibaba’s version of that genetic family, now maintained within Mr. Nice Seedbank.
Cultivation traits are equally compelling. Flowering takes roughly 56–70 days, indoor yields can reach approximately 450–550 g/m², and plants can be grown in soil, hydroponics, greenhouses, or outdoors. Haze influence creates enough branching and stretch to reward canopy management, while Widow brings resin and density that make the finished flowers considerably heavier than their narrow-leaf ancestry might suggest.
In the jar, La Niña delivers the kind of profile that helped define old-school European Haze hybrids: citrus peel, incense, spice, earth, herbs, sandalwood, and floral sweetness rather than candy or pastry. The high follows the same old-school logic—bright and exploratory at first, deeper and more physical as it develops.






