The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 8498Hybrid

White Crystal Auto

White Widow × Cannabis ruderalis

White Crystal Auto is a modern autoflowering hybrid recognized for its abundant trichome coverage, giving mature buds a frosted appearance. This cultivar combines the resinous qualities of classic 'White' family strains with the convenience of autoflowering genetics, flowering based on age rather than light cycle. It is considered a chemotype concept, with variations possible between breeders.

EffectsBalanced Relaxing
May help withStress
AromaCandyCitrusFloralHerbalLemonPineSpicy

Appearance

White Crystal Auto lives up to its name with a dense coating of trichomes on its flowers, sugar leaves, and even petioles, creating a signature frosted look by weeks 6-9. Indoor plants typically reach heights of 60-100 cm with moderate internode spacing, developing chunky, medium-density colas. Foliage is usually mid-green and can show purple hues in cooler temperatures.

Aroma & Flavor

The aroma profile evolves from subtle green and herbal notes with pine-sourness in veg to a sweeter, citrus and cedar scent in early flower. Mid-flower can intensify to candy-like or spicy, resinous notes. On inhalation, flavors often feature sweet citrus, pine, and earthy undertones, with a finish that can include candied lemon or sugar cookie notes. A well-cured product avoids chlorophyll bitterness.

Effects

While specific effects are not detailed in the provided notes, strains within the 'White' family and those with balanced genetics are often associated with balanced, sometimes relaxing effects. The autoflowering nature and typical cannabinoid profile suggest a moderate experience.

Terpenes & Cannabinoids

White Crystal Auto typically exhibits THC levels between 18-22% when grown optimally, with some phenotypes reaching the low 20s, comparable to modern photoperiod strains. CBD content is generally low, usually between 0.2-1.0%. Minor cannabinoids like CBG can range from 0.3-1.5%. The terpene profile is diverse, often including Myrcene, Limonene, Caryophyllene, Linalool, Pinene, Humulene, Terpinolene, Ocimene, and Nerolidol, contributing to its complex aroma and flavor.

Growing

As an autoflower, White Crystal Auto flowers based on age, making it simpler to grow than photoperiod strains. Plants generally remain compact, suitable for indoor cultivation. Yields are typically substantial given the resin density. Environmental factors and breeder selection can influence growth vigor and uniformity.

Origins & Lineage

White Crystal Auto is a modern autoflowering cultivar derived from the resin-heavy 'White' family of the 1990s, with Cannabis ruderalis genetics introduced for the autoflowering trait. While specific lineage varies by breeder, it often involves crosses with White Widow or other White family members, sometimes incorporating strains like Critical or Northern Lights to enhance yield and aroma. It is considered a chemotype concept rather than a single fixed cultivar.

Frequently asked questions

What makes White Crystal Auto unique?
Its name comes from the dense trichome coverage that makes the buds appear frosted. It's an autoflower combining classic 'White' genetics with ruderalis for a faster, age-based flowering cycle.
What is the typical THC content of White Crystal Auto?
When grown optimally, White Crystal Auto commonly tests between 18-22% THC, with some phenotypes reaching the low 20s.
What kind of aroma and flavor can I expect?
Expect a complex profile that can range from sweet, candy-like, and citrus notes to more spicy, piney, and herbal undertones, depending on the specific phenotype.
Is White Crystal Auto suitable for beginner growers?
Yes, as an autoflowering strain, it is generally considered easier to grow as it does not rely on light cycle changes to flower.