Cannabis Cannabis Strain Reviews

Grand Daddy Purple Cannabis (Weed) Strain Review 

Grand Daddy Purple, also called Gran Daddy Purp or GDP, is an Indica-dominant hybrid that was first propagated in Northern California in 2003 by breeder Ken Estes. This strain has a striking appearance, with deep and dark purple buds surrounded by bright orange hairs and large white trichomes. The strain is a famous cross between Skunk, Mendo Purps, and Afghanistan. The grape and berry aromas of this strain are inherited from Mendo Purps and Afghanistan, while Skunk is majorly responsible for its oversized, compact bud structure.

The strain is unique for its look and grape-like aroma and flavor, similar to juicy grapes or berry candy. The potent and long-lasting effects of Grand Daddy Purple are appreciated by both recreational and medicinal users. Consumers who are looking to get relief from chronic pain, stress, loss of appetite, muscle spasms, and insomnia may consider using GDP. This California classic has prominent features of its Indica side thanks to a 70:30 Indica-to-Sativa ratio.

Grand Daddy Purple StrainFeatures/Details
OriginCalifornia, USA
Also known asGran Daddy Purp or GDP
EffectsRelaxing Body High, Mood Boosting, Increased Creativity
Leaf ShapeBroad leaflets with a slightly rounded appearance
Medical ApplicationSleep Induction, Chronic Pain Relief, Stress Relief
FlavorSweet and fruity like berries and grapes
AromaBlend of sweet, fruity, and earthy scents
AppearanceDense, chunky buds with a deep purple color
Flowering PeriodTypically ranges from 8 to 9 weeks
CannabinoidTHC levels of 17% to 24%; low CBD levels (usually below 1%)
TerpenesMyrcene, Linalool, Caryophyllene, Pinene

Granddaddy Purple Effects and Potency 

Granddaddy Purple is a potent weed strain thanks to its high THC levels, which range from 17% to 23% on average. The CBD levels in this strain are barely noticeable at levels that are often below 1%. When you consume it, you will notice the effects within a few minutes. Once it kicks in, your body will feel like it’s floating. The body-high Grand Daddy Purple gives is way more than the head-high. The effects are typically physical, and you will notice a sense of calmness and tranquility spreading throughout your body with a mild head high that lasts for several hours before fading.

The primary effects of Grand Daddy Purple are relaxation, euphoria, and sedation. It is often chosen by people seeking deep relaxation as well as stress or physical tension relief. Grand Daddy Purple is not typically associated with heightened creativity or focus. Instead, it tends to induce a tranquil and dreamy state. It is the perfect strain for relaxation and unwinding.

Grand Daddy’s Purple Effects

  • Relaxation: Grand Daddy Purple induces deep physical relaxation and helps to unwind and ease tension in the body.
  • Euphoria: Consumers often experience a sense of happiness and euphoria after taking GDP.
  • Sedation: This strain has potent sedative effects, which can lead to drowsiness and promote restful sleep. It is often favored by those seeking relaxation and relief from insomnia.
  • Body High: Grand Daddy Purple provides a pronounced body high, and you can achieve a numbing sensation throughout your body with this strain.
  • Stress Relief: The relaxing properties of Grand Daddy Purple make it effective for reducing stress and anxiety, providing a calming and tranquil state of mind.
  • Pain Relief: Many users find Grand Daddy Purple to be helpful for alleviating various types of pain, including chronic pain, muscle spasms, and inflammation.
  • Appetite Stimulation: Like most weed strains, it increases appetite, often referred to as having the “munchies” effect.
  • Contentment and Bliss: Grand Daddy Purple can induce a sense of contentment and bliss, helping to temporarily alleviate worries and promote a general sense of well-being.

Grand Daddy Purple has the ability to produce some unwanted side effects, which may include dizziness, dry eyes, and a dry mouth. If you ever experience any of these symptoms, drink enough water and use eye drops. Slight paranoia or heightened sedation are also possible side effects, especially when consumed in larger quantities or by those with lower tolerance levels. Moderation is key to minimizing the risk of adverse effects.

Medical Applications

Grand Daddy Purple has potent analgesic properties and is very effective in managing chronic pain conditions, including neuropathic pain, arthritis, migraines, and muscle spasms. It can be used by people dealing with stress, anxiety, and related disorders thanks to its ability to alleviate symptoms of worry, tension, and restlessness. Some users have reported that Grand Daddy Purple helps in getting rid of symptoms of nausea and vomiting, which has proven to be helpful in dealing with medical conditions like chemotherapy or other conditions that cause these symptoms.

The strain has mood-enhancing and euphoric effects that provide temporary relief from symptoms of depression. It may promote a more positive mindset and increase overall well-being. Like most Indica-dominant strains, Grand Daddy Purple also has potent sedative effects. Generally, it may assist people struggling with insomnia or sleep disorders by aiding relaxation and inducing a restful state.


Like most purple-hued phenotypes, Grand Daddy Purple tastes sweet, like berries. The tasting experience of this strain is delightful and fruity. The berry-like taste of the strain is a general flavor that is spotted by most users. However, some people may detect subtle hints of earthiness, spice, or floral undertones in the flavor. These nuances add depth to the taste, but there may be slight variations in the taste due to differences in people’s perceptions, sensitivity, and phenotype.

Both the taste and aroma of Grand Daddy Purple match each other. GPD’s aroma is often described as sweet, fruity, and reminiscent of a field of ripe grapes. The flavor typically mirrors this grape-like aroma, which causes a cohesive and satisfying sensory experience. Whether consumed through smoking or in edible form, the strain’s flavor is generally consistent, which is one of the reasons why GPD is well-regarded among cannabis enthusiasts.


The aroma of Grand Daddy Purple is filled with berry and grape overtones. The smell is strong and carries a sweet and fruity quality that is very similar to the fragrance of ripe grapes or grape candy. This grape scent is often the first and most prominent note that users detect when smelling Grand Daddy Purple. There are also some subtle undertones present in this weed strain, which include hints of earthiness, musk, or floral notes.

While not as prominent as the grape fragrance, these undertones improve the depth of the overall aroma of Grand Daddy Purple. In comparison to a popular strain like Blue Dream, both strains have fruity aromas, but a major difference is that Grand Daddy Purple has a dominant grape scent while Blue Dream leans towards sweet berries with earthy undertones.


Grand Daddy Purple’s buds display shades of deep purple, often with dark violet or royal blue undertones. These striking purple hues are complemented by vibrant orange pistils (hairs) that contrast against the dark backdrop. Occasionally, deep green patches may also be present, further accentuating the purple tones. The buds are typically dense, tightly packed, and well-formed. They have a solid and compact structure with a slightly chunky and rounded shape. Furthermore, they can vary in size, ranging from small to medium-large, depending on the specific phenotype and growing conditions. Additionally, the buds of GDP are generously coated with a layer of glistening trichomes, which appear as tiny, crystalline structures covering the surface.

These trichomes contain cannabinoids and contribute to the strain’s potency. When examined closely, they give the buds a frosty and resinous appearance. and fan-shaped, typical of indica-dominant strains. They have a deep green color that serves as a backdrop for the vibrant purple buds. The leaves may exhibit subtle variations in color, ranging from dark green to shades of purple, especially towards the tips. When comparing the appearance of Grand Daddy Purple to other Purple strains like Purple Urkle and Purple Kush, they may appear quite similar, but there are still some distinct physical features. GDP’s vibrant purple hues and dense bud structure set it apart and make it easily recognizable.

Buy Grand Daddy Purple Seeds Online

When looking to purchase Grand Daddy Purple seeds online, it is important to do research and choose reputable seed banks or online retailers that offer quality genetics. A popular seedbank where you can get GDP seeds is Seedsman. The price on Seedsman typically ranges from $10 to $15 per seed, with discounts available for larger quantities.

They also have a reliable reputation, discreet shipping options, and often provide detailed descriptions of the seeds, including genetics, flowering time, and potential effects. We advise you to consider factors such as shipping restrictions, payment methods, and customer reviews to make an informed decision when buying weed seeds online.

Growing Information 

Grand Daddy Purple has an average flowering time of around 8 to 9 weeks. During this period, the plant transitions from the vegetative stage to producing mature buds. When cultivated indoors, Grand Daddy Purple typically reaches a moderate height of around 3 to 4 feet (0.9 to 1.2 meters). Outdoors, it can grow taller, reaching up to 6 feet (1.8 meters) or more, depending on environmental conditions and growing techniques. The strain thrives in a dry and warm environment with a humidity level ranging from 40% to 50% during the vegetative stage. During the flowering stage, it is advisable to reduce humidity to around 40% to prevent issues such as mold or bud rot.

The strain prefers temperatures between 70°F and 80°F (21°C to 27°C) during the day and slightly cooler temperatures around 10°F (6°C) lower during the night. Grand Daddy Purple can be grown both indoors and outdoors. However, due to its Indica-dominant characteristics and potential sensitivity to colder climates or adverse weather conditions, many growers prefer cultivating it indoors or in controlled environments. Outdoors, the strain performs best in regions with warm and sunny conditions, similar to the climate found in California. However, with proper care and attention, it can be grown successfully in various climates.

Grand Daddy Purple is sensitive to humidity, and this may be a possible challenge when growing the plant. It can be susceptible to mold or bud rot, especially during the later stages of flowering. It is important to maintain proper humidity levels and provide adequate airflow to prevent moisture buildup. Due to its dense bud structure, Grand Daddy Purple may benefit from regular pruning and training techniques such as topping or low-stress training (LST) to improve light penetration and airflow.

Tips for Successful Growth

  • Provide Proper Nutrients: Use a balanced nutrient regimen throughout the different growth stages to ensure optimal plant health and bud development.
  • Support Heavy Buds: As the buds of Grand Daddy Purple become dense and heavy, it is recommended to use trellising or plant supports to prevent branches from bending or breaking under their weight.
  • Maintain Temperature and Humidity: Regularly monitor and control temperature and humidity levels, ensuring they remain within the ideal range to prevent stress or issues like mold.
  • Monitor and Adjust Lighting: Use appropriate lighting systems, such as high-intensity discharge (HID) lamps or full-spectrum LEDs, and adjust the light schedule to mimic natural sunlight during the vegetative and flowering stages.
  • Harvest Timing: Pay close attention to the trichome development and choose the desired level of maturity for harvest. Harvesting too early or too late can affect the potency and overall quality of the buds.

We advise you to address challenges such as humidity control and provide support for the heavy buds. By following these tips and recommendations, growers can increase their chances of growing their GDP plants successfully.

Cannabinoid and Terpene profiles

The CBD levels of Grand Daddy Purple are low, usually less than 1%, while the THC is at a higher level. Grand Daddy Purple typically contains high levels of THC, ranging from 17% to 23% or even higher. THC is the primary psychoactive compound in cannabis and is responsible for the euphoric and intoxicating effects associated with the plant. The CBD in this strain is associated with various benefits, including anti-inflammatory, analgesic, and anxiolytic effects.
Grand Daddy Purple often contains significant levels of myrcene, which contributes to its relaxing and sedative effects.

Myrcene has anti-inflammatory and analgesic properties and the ability to enhance the permeability of cell membranes, allowing for better absorption of cannabinoids. Some phenotypes of GDP may contain pinene, a terpene with a pine-like aroma. Pinene is known for its potential anti-inflammatory and bronchodilator properties and is associated with increased alertness and mental focus. The strain also contains Linanol and Caryophyllene. They are both responsible for the spicy and peppery, as well as floral and lavender-like, scent of Grand Daddy Purple.

Frequently Asked Questions

Question: What are the THC levels in Grand Daddy Purple?
Answer: Grand Daddy Purple typically contains high THC levels, ranging from 17% to 23% on average.

Question: Are there any medical benefits associated with GDP?
Answer: GDP may relieve conditions such as chronic pain, insomnia, stress, anxiety, and depression.

Question: Is GDP suitable for beginners or users with low tolerance?
Answer: Due to its potent effects, GDP is generally recommended for experienced users or those familiar with Indica strains.


Grand Daddy Purple is an iconic strain with a rich history and a strong presence in the cannabis community. The Indica-dominant strain offers potent relaxing and sedative effects, often inducing a deep physical and mental calm. It can also provide mood enhancement and potential pain relief. If you want to sit back and relax after a long day or week, GDP is definitely your guy. It exhibits a sweet and fruity flavor with prominent grape notes.

The aroma is characterized by a strong grape scent, often accompanied by subtle earthy or floral undertones, and the strain may be beneficial for people dealing with chronic pain, insomnia, stress, anxiety, and depression. It can also stimulate the appetite and provide muscle relaxation. Grand Daddy Purple is recommended for experienced users, but it may also be a good trip for those interested in exploring the unique flavors and aromas of the strain.

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