Grom 99

Hybrid

Also known as: Grom 99 OG, Grom OG 99

What is the Grom 99 strain?

Grom 99 is a hybrid cannabis strain with up to 24.0% THC, known for its relaxed effects and citrus and earthy flavor profile.

Grom 99 is a hybrid cannabis strain that has gained recognition for its balanced effects and distinctive terpene profile. The strain's exact origins are somewhat obscure, with limited documentation available from breeders, but it appears to have emerged in the early 2010s from underground breeding circles in the United States. It is generally understood to be a carefully selected phenotype from a larger breeding project, with '99' likely indicating a specific generation or selection number in the breeding process. The strain has maintained a cult following among connoisseurs who appreciate its reliable effects and complex flavor profile.

The plant typically produces medium-sized, dense buds with a structure that leans slightly toward its indica heritage. The flowers are often characterized by vibrant green coloration with occasional purple hues that can emerge under cooler growing conditions. A generous coating of trichomes gives the buds a frosty appearance, while orange pistils provide visual contrast. The buds are usually quite resinous, making them suitable for extraction purposes. The strain's aroma is one of its most distinguishing features, combining multiple scent profiles that evolve as the flowers are cured.

Grom 99 is noted for its versatility, offering effects that many users find suitable for both daytime and evening use depending on dosage. The strain has gained particular attention for its terpene complexity, which creates a multi-layered sensory experience. While not as widely commercialized as some mainstream strains, Grom 99 has maintained a consistent presence in certain regional markets and among home growers who value its balanced characteristics and reliable performance. Its relative obscurity compared to more famous strains means that information about it comes primarily from grower reports and user experiences rather than formal breeding documentation.

What are the effects of Grom 99?

What are the medical benefits of Grom 99?

  • Users report relief from stress and anxiety
  • May help with mild to moderate pain management
  • Often used for mood elevation
  • Some users find it helpful for appetite stimulation

This is not medical advice. Consult a healthcare professional.

What are the side effects of Grom 99?

How do you grow Grom 99?

Grom 99 is considered a moderate-difficulty strain to cultivate, suitable for growers with some experience. The plants typically flower in 8-10 weeks indoors, with outdoor harvests occurring in mid to late October in the Northern Hemisphere. Indoor yields are generally moderate to high, with approximately 400-500 grams per square meter under optimal conditions. Outdoor plants can produce 500-600 grams per plant in favorable climates. The strain adapts well to both indoor and outdoor growing environments, though it thrives in controlled indoor settings where temperature and humidity can be carefully managed. Plants tend to remain medium in height, usually reaching 100-150 cm indoors, making them suitable for spaces with height restrictions. Grom 99 responds well to training techniques like topping and low-stress training (LST) to maximize yields. The plants prefer stable temperatures between 20-26°C (68-79°F) during flowering and benefit from good air circulation to prevent mold in dense buds. Nutrient requirements are moderate, with some growers noting sensitivity to overfeeding during the vegetative stage.

How should you use Grom 99?

Grom 99 is a hybrid strain with 24.0% THC, which is moderate potency. As a hybrid, it offers versatility for both daytime and evening use.

Beginners

Start with 1-2 small inhalations or 2.5-5mg if using edibles. Wait 15 minutes before taking more. This strain is potent — start very low.

Regular Users

A standard session of 3-5 inhalations or 5-15mg edible dose. Effects typically onset within 5-15 minutes when inhaled, 30-90 minutes for edibles.

Experienced Users

Adjust to personal tolerance. Moderate doses should provide a satisfying experience.

Start low and go slow. This is not medical advice — consult a healthcare professional before using cannabis.

What is the genetic lineage of Grom 99?

What are Grom 99's parent strains?

Frequently Asked Questions

How does Grom 99 make you feel?

Grom 99 is a hybrid strain that primarily produces relaxed effects, followed by euphoric. Users report the dominant effect at 75% intensity. With 24.0% THC, this strain is moderately strong and suitable for regular consumers.

Is Grom 99 good for medical use?

Grom 99 has been reported by users for users report relief from stress and anxiety, may help with mild to moderate pain management, often used for mood elevation, some users find it helpful for appetite stimulation. As a hybrid, it offers a balanced profile that may work throughout the day.

This is not medical advice. Consult a healthcare professional.

Are there side effects with Grom 99?

Some users have reported dry mouth, dry eyes, anxiety, dry mouth (common), dry eyes (common), possible dizziness in sensitive users, mild anxiety or paranoia in high doses or inexperienced users when using Grom 99. Starting with a low dose and staying hydrated can help minimize these effects.

What does Grom 99 taste and smell like?

Grom 99 features a flavor profile of citrus, earthy, pine, spicy, woody. The dominant terpenes are Myrcene and Limonene, which contribute to its distinctive aroma.

What do users say about Grom 99?

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What does the research say about Grom 99?

Grom 99 is a hybrid cannabis strain containing up to 24.0% THC, with a terpene profile dominated by Myrcene and Limonene. Below are authoritative resources for understanding the compounds in this strain.

What strains are similar to Grom 99?