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Granddaddy Purple Strain, often abbreviated as GDP, is a famous indica cannabis strain that has gained immense popularity in the cannabis community. Known for its distinctive purple buds and relaxing effects, this strain has become a staple for many users and growers alike.

Origin and History of Granddaddy Purple Strain

The Grandaddy Purple Strain was introduced to the cannabis world by Ken Estes in 2003. This Californian breeder wanted to develop a potent indica strain with a unique visual appeal. The result was a cross between two well-known strains, Purple Urkle and Big Bud. This combination resulted in a strain that delivers a fusion of cerebral euphoria and physical relaxation.

Appearance, Aroma, and Flavor

The Grandaddy Purple Strain is visually striking. It boasts a deep purple hue, contrasted by bright orange hairs and a generous coating of white trichomes. The aroma of this strain is as appealing as its appearance, offering a complex blend of sweet grape and berry, underlined by a musky note. The flavor profile mirrors the aroma, delivering a delightful taste of grape and berries upon inhale, leaving a sweet aftertaste.

Effects and Medical Benefits

The high from the Grandaddy Purple Strain is known for its calming effects. Users report a blend of cerebral euphoria and deep physical relaxation. This makes it a popular choice for those seeking relief from stress, insomnia, pain, and muscle spasms.

Potential Side Effects

Like any cannabis strain, the Grandaddy Purple Strain can have some side effects. The most common include dry mouth and eyes, dizziness, and occasional paranoia. New users and those with low THC tolerance should start with a small dose and gradually increase as they become more comfortable with the effects.

Growing Information

The Granddaddy Purple Strain is a relatively easy strain to grow, making it a popular choice for both novice and experienced growers. It can be cultivated both indoors and outdoors, but it thrives best in a controlled indoor environment where factors such as temperature, humidity, and light can be closely monitored.

When grown indoors, the Grandaddy Purple Strain prefers a warm and humid climate with temperatures ranging between 70 to 80 degrees Fahrenheit. The plants are quite bushy and tend to grow wide rather than tall, so they require ample space to spread out. Pruning and trimming are recommended to promote better air circulation and light penetration, which can lead to a healthier plant and a more abundant yield.

The expected flowering time for the Grandaddy Purple Strain is approximately 8-11 weeks. If you’re growing outdoors, you can expect to harvest around mid-October. When it comes to yield, this strain is quite generous. Indoor growers can expect about 1.5 ounces per square foot, while outdoor growers can anticipate 15 – 20 Oz per plant, given optimal growing conditions.

One of the notable features of the Grandaddy Purple Strain is its striking appearance. As the plants mature, their leaves take on a deep purple hue, especially when exposed to cooler nighttime temperatures just before the flowering stage. This, combined with the bright orange hairs and the thick layer of resinous white trichomes, makes the growing process a visually rewarding experience.

In terms of nutrients, Grandaddy Purple plants require a standard feeding schedule. However, they may benefit from additional phosphorous during the flowering stage to promote bud development. Regular pH testing of the soil or growth medium is also essential to prevent nutrient lockout and ensure the plants are able to absorb the nutrients they need to thrive.

Growing Stats

Flowering time: 49 – 63 Days
Flowering type: Photoperiod
Grow difficulty: Moderate
Harvest time: 69 Days
Yield outdoor: 15 – 20 Oz/plant (~ 550 g/plant)
Yield indoor: 1 – 2 Oz/Ft² (~ 400 g/m²)
Height indoor: 4.92 ft / 1.5 m
Height outdoor: 4.92 ft / 1.5 m

Granddaddy Purple Strain Cannabinoids

THC: 19.67 – 24.33%
CBD: 0.54 – 0.91%
CBC: 0.27 – 0.89%
CBG: 0.13 – 1.54%
CBN: 0.2 – 0.2%
THCV: 0.3 – 1.35%

Granddaddy Purple Terpene Profile

Camphene: 0.28%
Linalool: 0.28%
Pinene: 0.14%
Geraniol: 0.14%
Bisabolol: 0.14%
Limonene: 0.03%
Total terpenes content: 1.01%


What is Granddaddy Purple Strain?

Grandaddy Purple, often abbreviated as GDP, is a famous indica cannabis strain known for its purple buds, sweet berry flavor, and relaxing effects.

Who created the Granddaddy Purple Strain?

The strain was created by Ken Estes, a renowned breeder in California, and was introduced to the cannabis community in 2003.

What are the parent strains of Granddaddy Purple?

Grandaddy Purple is a cross between two indica strains, Purple Urkle and Big Bud.

What are the effects of Granddaddy Purple Strain?

Users report experiencing a calming body high along with a gentle cerebral euphoria. It is known for its ability to relieve pain, stress, insomnia, and muscle spasms.

What does Granddaddy Purple Strain taste like?

The strain has a sweet, grape-like flavor with undertones of berries. Its aroma is similar, characterized by a sweet, fruity scent with earthy notes.

How can I grow Granddaddy Purple Strain?

Grandaddy Purple can be grown both indoors and outdoors. It prefers a controlled indoor environment but can thrive outdoors in a warm, sunny climate. It has a flowering time of about 8-11 weeks and is known for producing high yields.

What are the medical benefits of Granddaddy Purple Strain?

Medical cannabis patients often use Grandaddy Purple to alleviate symptoms of pain, stress, insomnia, and muscle spasms. Its relaxing effects can also be beneficial for those dealing with anxiety.

Are there any side effects of using Granddaddy Purple Strain?

Like most cannabis strains, Grandaddy Purple can cause dry mouth and dry eyes. Some users also report experiencing dizziness or paranoia, especially when consumed in large quantities.

Is Granddaddy Purple Strain good for beginners?

While Grandaddy Purple is relatively easy to grow, its potent effects might be intense for first-time cannabis consumers. It’s advisable for beginners to start with a small dose and gradually increase as they become accustomed to its effects.


In summary, the Granddaddy Purple Strain is a remarkable cannabis strain that stands out for its unique appearance, delightful aroma, and potent effects. Whether you’re a seasoned cannabis enthusiast or a curious newcomer, this strain offers a unique experience that’s worth exploring. Always remember to consume responsibly and enjoy the many benefits this strain has to offer.

Please note that the effects of cannabis can vary between individuals, and the information provided in this article is based on general user experiences and should not be taken as medical advice.