ALPINE GUAVA (GUAVA X WHITE NIGHTMARE) fem is Guava crossed to White Nightmare. Guava is Guava - a Gelato selection, though the name is used for more than one plant. White Nightmare is the strain that first got Sin City noticed outside Las Vegas. Between them they cover ground neither reaches alone. That is the Sin City method: take something new and worth having, and put it over a plant they have already proven across dozens of crosses.
These are feminized. Every seed should come up female, so there are no males to find and pull and nothing to lose half a tent to. That is the pack to buy if you want a crop out of it rather than a breeding project.
Order matters in a cross name. In ALPINE GUAVA (GUAVA X WHITE NIGHTMARE) fem the Guava side supplied the seed and White Nightmare the pollen, and the reciprocal - the same two plants the other way round - is a separate breeding decision with its own results.
Genetic Lineage
- Mother: Guava. The tropical end of the Gelato family. What it actually is depends who you ask. Cookies Fam call this Gelato phenotype Guava; Sherbinski calls the same plant Guava Gelato. Flavour Chasers and Garden of Green describe something else entirely - a Stardawg and Afghani cross - and a fourth account has Guava as a Stardawg phenotype. The Gelato reading is the common one, but the name is doing more than one job. Myrcene, linalool and alpha-humulene lead its terpene profile.
- Father: White Nightmare. White Nightmare - the resin-heavy sativa side of the programme. Given as Sin City give it as Blue Dream crossed to White Moonshine. The parentage is written two ways. Sin City's own product naming gives Blue Dream x White Moonshine, while several third-party listings give it as The White crossed to Blue Dream. Those are not the same claim - White Moonshine is itself The White x Blue Moonshine, so the second version drops a parent. The breeder's own statement is the one to go on.
- Why it is worth a pack rather than a look. The two sides are far enough apart that seedlings genuinely differ. That range is the product.
Flavor and Aroma Profile
- The Aroma. Creamy tropical fruit with pina colada and a hop note through it.
- The Taste. Guava and cream, tropical rather than sweet-shop.
What each side brings
- What to budget. The documented side, Guava, runs seven to eight weeks indoors, nine outdoors. Set the room to that and let the plants correct you.
- Two frames in one pack. Guava is a Gelato-type plant, and one of the fruitier ones. White Nightmare is sativa-leaning, and a heavy resin producer. Decide which suits your room before you flip, because you get both.
- They pull differently. Growers put Guava at the balanced Gelato character and White Nightmare at energetic and cerebral. Which end a plant lands on is the main variable.
Cultivation and Growth Traits
- Plant Structure. The two parents disagree here, so plan for range. Guava is a Gelato-type plant, and one of the fruitier ones. White Nightmare is sativa-leaning, and it frosts up hard.
- Veg and stretch. Set the frame while it is cheap to do. Anything you fix after the flip costs you flower sites.
- Flowering Time. Guava runs seven to eight weeks indoors, nine outdoors. Start checking trichomes a week before you expect to be ready.
Effects and Experience
- The Mind. Growers describe Guava as the balanced Gelato character.
- The Body. White Nightmare is reported as energetic and cerebral, and that is the side supplying the weight here.
In the pack
Seeds from Sin City Seeds. The house style is a modern flavour plant crossed onto a stable Sin City male, which is why their releases hold together better than most crosses chasing the same trends. Original Sin City Seeds stock.
ALPINE GUAVA (GUAVA X WHITE NIGHTMARE) fem – Sin City Seeds
- Brands Sin City Seeds
- Product Code: 76
- Availability: 2
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$100.00
Tags: cannabis seeds, feminized seeds, Sin City Seeds, Sin City, Guava, White Nightmare, strain guide

