Grand Daddy Purple Strain Review


The Grand Daddy Purple or the GDP is a classic crowd-favorite. Over the past few years, the famous GDP has been busy making waves in the THC environment. This strain has been sitting inside the top cannabis dispensaries’ stash jars, even in the pantries of marijuana enthusiasts and medical users making this a sought-after strain by the world’s most seasoned stoners.

History and Composition

Because of the Grand Daddy Purple’s fame, the likelihood you already know you have already come across this strain is very high. Ever since the GDP’s introduction in the year 2003, it has gained fame and popularity not just in California and became a global cannabis icon. Ken Estes bred the GDP strain and introduced it to the California cannabis scene as an indica-dominant hybrid. It is a result of crossing the Purple Urkle and the Big Bud. Both parent strains are fantastic, making the GDP an extra excellent strain too.

The THC content in the Grand Daddy purple falls between 17% to 24% in laboratory analysis. This strain is also one of the heaviest indica strains, containing 80% indica and having a mild sativa influence of 20%. If you are looking for a robust indica-dominant cannabis strain that will give you immense relaxation and a hard buzz, the Grand Daddy Purple is undoubtedly an essential crop that should be placed in your stash.

Aesthetic and Flavor

To describe the Grand Daddy Purple as delicious will be an understatement since this strain is tremendously excellent in so many ways – appearance, flavor, and aroma included. The GDP became extremely famous for no reason; this strain is sought after because of its vibrant and lively colors with an exotic candy-like aroma. Generally, the Grand Daddy Purple’s scent and aroma are sweet and citrusy with hints of earthy and fruity undertones. The flavor of this strain is what you would expect depending on the plant’s aroma. Your palate and taste buds will appreciate and recognize the taste of grapes, berries, citrus, and other sweet explosions in your mouth. An intense and robust taste comes right after the exhale.

The Grand Daddy Purple plant’s nugs are thick and dense and beautifully colored in a deep royal purple. They are covered in light orange or peach-colored pistils with a shimmering THC coating that dusts the frosted white trichomes for a gorgeous look. Its dense characteristics are inherited from the Big Bud and the vibrant purple shades from its other parent strain, the Purple Urkle. The buds are also very sticky and tacky; you will definitely need a grinder to roll a good joint.

Growing and Cultivating the GDP

Growing and cultivating the GDP is of moderate difficulty and can become a bit of a challenge for the newbies, but a go if you are a grower with minimal experience. The GDP’s main challenge is that you always have to be constantly mindful of the humidity levels. The humidity levels need to be maintained at around 50%. The Grand Daddy Purple is generally resistant to molds, pests, and most common diseases.

GDP strains can be grown in indoor and outdoor settings, but remember to provide adequate ventilation for healthy growth. The crop tends to be short, so they would not require a high ceiling or a significant amount of space. When it comes to growing outdoors, the GDP generally prefers a warm and humid climate. Its flowering time falls at around 8 to 11 weeks and produces 17 to 19 ounces.

Read more about growing here.

Effects and Benefits

The Grand Daddy Purple helps the user have a couch-lock relaxation feels and is known to be very useful for the relief of insomnia and increased appetite. This strain is a natural sedative and is best consumed during the evening or late hours in the night. The GDP is also utilized for several medical conditions that affect the body physically and mentally. It is mostly used for pain relief, insomnia, depression, anxiety, and chronic stress. The Grand Daddy Purple is best consumed as edibles, concentrates, rosin since they require less energy and usually come with more significant results.

 More about this strain:

Origin and Lineage

  • Breeder: Ken Estes and his team in San Francisco, 2003.
  • Genetic Lineage: Cross between Purple Urkle and Big Bud strains.


  • Color: Vibrant purple hues with bright green leaves.
  • Pistils: Yellow-orange, twisting among the leaves.
  • Trichomes: Covered with a thick layer of crystalline trichomes, giving it a snow-like appearance.

Aroma and Flavor

  • Aroma: Sweet and citrusy with earthy undertones, featuring glimpses of grape and other juicy fruits.
  • Flavor: Dominated by grape, berries, and sweet fruits, with hints of spiciness and herbal flavors.


  • Physical: Full body relaxation, potential for couch-lock.
  • Mental: Cerebral bliss and euphoria, may induce sleepiness.
  • Common Usage: Nighttime use, particularly for chronic pain, depression, insomnia.
  • Experience: Suitable for experienced cannabis consumers due to its potency.

THC and CBD Content

  • THC: Average of 17-24%, some varieties reaching up to 35%.
  • CBD: Generally low, around 0.50% to 1%.

Medical Benefits

  • Conditions: Chronic pain, lack of appetite, insomnia, depression, anxiety, stress.
  • Effects: Numbing of pain, increase in appetite, sedative-like effects for sleep issues.
  • Consumption Methods: Edibles, concentrates, and candies for physical conditions; familiar THC amounts for mental conditions.

Growing Information

  • Difficulty: Moderate; suitable for growers with some experience.
  • Environment: Thrives both indoors and outdoors; prefers well-ventilated spaces.
  • Climate: Warm, sunny, and humid for outdoor growth.
  • Flowering Time: 8-11 weeks.
  • Yield: About 19 ounces per plant outdoors, and 17 ounces per square meter indoors.
  • Height: Short and bushy; can grow up to eight feet outdoors.

Possible Negative Side Effects

  • Physical: Dry mouth, dry eyes.
  • Mental: Dizziness; elevated THC levels may induce anxiety or paranoia in some users.

Terpene Profile

  • Linalool: Spicy and lavender aroma; relaxation, anti-inflammatory, and analgesic properties.
  • Bisabolol: Nutty, fruity scent with herbal and floral undertones; anti-inflammatory, anti-microbial, and analgesic properties.
  • Total Terpenes: 1.01%.

Final Thoughts

If you are using cannabis for medical reasons or just relaxation, the GDP will be excellent for you. It is a combination of heavy sedative effects of a potent indica with the uplifting cerebral effects of a typical sativa that gives off a “perfect high.” If you are not sure when it comes to GDP consumption, it helps if you consult the experts and your doctor before having GDP in your system.