Granddaddy weed seeds

Granddaddy Purple Seeds

An informative guide on one of the original purple cannabis strains — Granddaddy Purple. Allow this review to lead you down the path to enlightenment with growing tips and where to find Granddaddy Purple seeds.

It’s all too familiar – sleepless nights, sudden pangs of fear, or a dull pain that just won’t go away.

We’ve all experienced one or more of these issues in the past or present; however, you can change your future by finding a cannabis strain that can set your mind and body on cruise control.

The beauty of indica-dominant cannabis strains lies in their inherent ability to generate body-numbing and uplifting effects. Thousands of indica and indica-dominant strains pepper the marijuana seed market, and there is one strain that rules them all.

The Granddaddy Purple strain is the aptly named indica variety that’s world-renowned for its profoundly relaxing effects, deeply purple buds, and photogenic qualities.

Read along to understand everything about the Granddaddy Purple strain, mind-blowing cannabinoid content, therapeutic potential, and where to find Granddaddy Purple seeds.

Granddaddy Purple Seeds – Strain ID:

Type: Indica
Cannabinoids: 23% THC
Terpenes: Pinene, Caryophyllene, Myrcene
Effects: Uplifting, Couch-lock, Relaxing
Landrace Strain: Purple Urkle x Big Bud

Grow Difficulty: Easy
Harvest: 7-9 Weeks / 10-12 Weeks
Yield: >500g/㎡ / Up to 500g/plant
Height: Up to 7 feet/ >6-Feet
(*Indoor / Outdoor)

The Best Granddaddy Purple Feminized Seeds in 2022:

• 19-22% THC
• Harvest: 10-12 Weeks
• Yield: 400-500g/㎡

• Shipping Worldwide
• Including Free Seeds
• Credit Cards & Bitcoin Accepted

• £7.2 Per Seed
• Bulk orders get discounted rate

• 15-19% THC
• Harvest: 9 Weeks
• Yield: 400-500g/㎡

• Shipping Worldwide
• Germination Guarantee
• Credit Cards & Bitcoin Accepted

• 5 Seeds – $65
• 10 Seeds – $120
• 25 Seeds – $240

• UP to 23% THC
• Harvest: 9 Weeks
• Yield: 400-500g/㎡

• Shipping to US, EU, UK, AU, NZ
• Germination Guarantee
• Credit Cards & Bitcoin Accepted

• 5 Seeds – $99
• 10 Seeds – $119
• 20 Seeds – $199

About Granddaddy Purple Seeds


The beginning of Granddaddy Purple’s history starts with Ken Estes.

One day, Ken Estes decided that it was time to shake things up. He wanted to show the world what a genuine indica looked like, so in 2003, he crossed the legendary Purple Urkle strain to Big Bud.

The result from this undertaking was something that up until this point hadn’t been seen before. Granddaddy Purple seeds, also known as GDP or Granddaddy Purp, quickly became the de-facto cannabis strain-of-choice along the entire West Coast — notably San Francisco and Los Angeles.

The massive purple buds of Granddaddy Purp hypnotize cannabis cultivators around the world. Aside from its sheer beauty, users that experience the GDP strain are quickly convinced of its extreme potency.

Overall, Ken Estes produced a gem that every cannabis enthusiast should experience in their lives. It’s safe to say that a bucket-list goal for any cannabis cultivators is to grow Granddaddy Purple seeds.

Growing Granddaddy Purple Seeds

Before you begin searching for Granddaddy Purple seeds, you must understand that GDP seeds are always in demand because of their timeless quality.

Once you’ve sourced your Granddaddy Purple seeds, it’s time to take a hard look at how you will grow these seeds into a bountiful harvest of Granddaddy Purple weed.

Let’s take a look at significant aspects that will make or break your experience with Granddaddy Purple seeds.

Grow Difficulty:

The Granddaddy Purple strain is an easy strain to grow.

If this isn’t music to your ears, then we don’t know what is. The ease-of-growth of the GDP strain is notable because of the sheer quality that it produces.

Typically, connoisseur-grade cannabis strains require a back-breaking effort. Luckily for you, this isn’t the case with Granddaddy Purple seeds.

Optimal Growing Conditions and Climate:

The Granddaddy Purp strain enjoys a mellow Mediterranean climate.

GDP seeds were bred in San Francisco, which means that the Granddaddy Purple strain can withstand a wide range of growing conditions.

The optimal temperature range for the Granddaddy Purple strain is 70-85°F. Thankfully, Granddaddy Purple can weather lower temperatures, such as 55-65°F. In general, lower temperatures will make Granddaddy Purple weed produce its famous trait – purple buds.

Another helpful bit of information is that the Granddaddy Purple strain prefers a higher-than-normal humidity. The best RH for the Granddaddy Purps strain is between 45-50%. Furthermore, you must understand that 50% is the upper limit, and you should never exceed it.

Granddaddy Purple seeds can grow in outdoor and indoor environments. As long as you keep your Granddaddy Purple crop satisfied, you’ll find flowers of surreal quality once you harvest.

Flowering Time:

The GDP strain can flower at a break-neck speed of 7-weeks.

However, the general window is between 7-9-weeks. If you decide to grow your Granddaddy Purple seeds indoors, you have a higher chance of fast harvest. If you choose to grow your Granddaddy Purple seeds in the great outdoors, you will likely harvest by the beginning or middle of September.


It’s poetic justice that the Granddaddy Purple strain is incredibly generous.

Who would have thought that the tiny seeds of Granddaddy Purple would produce a bumper crop harvest? Once you grow out your GDP seeds, you’ll understand its sheer potential to unload ounces upon ounces of beyond-top-shelf weed.

If you decide to grow Granddaddy Purple seeds indoors, you can produce upwards of 500-grams per meter squared. If you take the outdoor route, this strain can yield 500-grams per plant.


Thanks to its overwhelming indica genetics, the Granddaddy Purple strain grows to a medium height.

However, the overall height of the Granddaddy Purple strain depends on how large it is before the flowering stage. If left to grow to its full potential, the GDP strain can reach upwards of 7-feet.

If you grow Granddaddy Purple seeds indoors with minimal space, it’s crucial to utilize height-shortening techniques. Overall, FIM, topping, and LST are all proven methods to control the height and bushy characteristics of the GDP strain.

Resistance to Pests and Mold:

Although the Granddaddy Purps strain has a high resistance to pests and mold, you should always take preventative measures. Granddaddy Purple seeds are especially resilient against spider mites and low temperatures.

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However, bud rot does pose a real threat to the health of your crop. If you want to protect your Granddaddy Purple seeds, you must incorporate these preventative measures:

  • Trim the lowest growth (lollipop)
  • Keep your garden clean
  • Always wear clean clothing in the grow room
  • Utilize oscillating fans
  • Adequately space your plants

Strain Description and Properties

The Appearance of Granddaddy Purple Weed:

Once you set your eyes on the flowers of Granddaddy Purp, you’ll never settle for less than the purple weed of GDP.

It’s difficult to describe, but once you see Granddaddy Purple weed, you can’t unsee it. The profoundly purple flowers, electric orange pistils, and avalanche of resin will burn an unforgettable image in your memory for the rest of your life.

The appearance of Granddaddy Purple weed alone is a significant reason why GDP seeds are so popular. Once you show these flowers to your friends, you may be overwhelmed by everyone that wants to “hang out.”

Lastly, the moment you set your eyes on GDP weed, you’ll find yourself rushing to find Granddaddy Purple seeds for sale online.

The profoundly purple flowers, electric orange pistils, and avalanche of resin will burn an unforgettable image in your memory for the rest of your life.

Dominant Cannabinoids Found in Granddaddy Purple Seeds:

The Granddaddy Purple strain deserves an alarm emoji next to its name. If there’s one truth you’ll find out in life, it’s the fact that GDP weed is loaded with THC.

In general, lab results peg the THC content of Granddaddy Purple weed at 23%. With numbers this high, we can only recommend Granddaddy Purple weed for cannabis enthusiasts with a sky-high tolerance or medical marijuana patients that require the most potent form of medicine.

Dominant Terpenes Found in Granddaddy Purple Seeds:

As you unseal a glass jar filled with a handful of Granddaddy Purple weed, you’ll immediately experience an aroma that’s overflowing with floral sweetness, refreshing pine sap, and acrid spice.

The aroma, combined with the appearance of Granddaddy Purple weed, will make for an otherworldly experience.

The three dominant terpenes in Granddaddy Purple seeds are myrcene, caryophyllene, and pinene. Each of these terpenes produces a wide variety of flavors and aromas. When terpenes clash, the possibilities are endless.

In regards to Granddaddy Purple seeds, the myrcene content produces invigorating tones of fresh honey and sweet slices of dried mango. The caryophyllene content in GDP seeds is responsible for the undeniable aroma and flavor of black cardamom.

Lastly, the pinene in Granddaddy Purple seeds produces the freshest flavors of pine, and a sophisticated hint of pine sap that oozes during the summer heat.

Effects of Granddaddy Purple Weed:

Once you milk a bong to capacity with Granddaddy Purple smoke, it’s time to clear it.

However, the strain’s onset will perplex you because nothing happens at first. You may think that you were ripped-off, or your Granddaddy Purp seeds are worthless.

The quote, “good things come to those who wait,” couldn’t be more appropriate. After 5-10-minutes, you’ll suddenly understand what it feels like to be too high.

The Granddaddy Purple strain is a classic creeper, and it strikes when you’ve lost all hope of feeling its effects. The onset is bone-crushing to the body and incredibly uplifting for the mind. Suddenly, everything is peaceful, and all stressors cease to exist.

As the effects of the Granddaddy Purple strain progress, you’ll suddenly realize that the couch is where you’ll remain until you wake up the next morning.

Medical Properties of Granddaddy Purple Seeds:

The Granddaddy Purple strain is a classic variety that medical marijuana patients around the world rely on.

Due to this, Granddaddy Purps seeds are a must-have for the vast majority of medical marijuana patients. Whether you’re a medical marijuana patient in the USA, Canada, or Europe, Granddaddy Purple seeds and their effects are worth their weight in gold.

Here’s a list of mental and physical issues that the Granddaddy Purple strain is ideal for:

  • Anxiety
  • Depression
  • Appetite Loss
  • High Blood Pressure
  • Chronic Pain
  • Post-Chemotherapy
  • PTSD
  • Multiple Sclerosis
  • And Much More

Negative Effects of Granddaddy Purple Weed:

Aside from an early bedtime, the adverse effects of Granddaddy Purple weed are astoundingly red eyes, a dry mouth, and a boundless appetite.

Pros/Cons of Growing Granddaddy Purple Seeds

  • Easy To Grow
  • Flowers Fast
  • Gorgeous Flowers
  • High Yield
  • Extreme Potency
  • Medicinal Quality
  • Purple Flowers
  • Difficult to Find Seeds
  • Low Mold Resistance

The Best Granddaddy Purple Feminized Seeds in 2022:

• 19-22% THC
• Harvest: 10-12 Weeks
• Yield: 400-500g/㎡

• Shipping Worldwide
• Including Free Seeds
• Credit Cards & Bitcoin Accepted

• £7.2 Per Seed
• Bulk orders get discounted rate

• 15-19% THC
• Harvest: 9 Weeks
• Yield: 400-500g/㎡

• Shipping Worldwide
• Germination Guarantee
• Credit Cards & Bitcoin Accepted

• 5 Seeds – $65
• 10 Seeds – $120
• 25 Seeds – $240

• UP to 23% THC
• Harvest: 9 Weeks
• Yield: 400-500g/㎡

• Shipping to US, EU, UK, AU, NZ
• Germination Guarantee
• Credit Cards & Bitcoin Accepted

• 5 Seeds – $99
• 10 Seeds – $119
• 20 Seeds – $199

Cannabis Seed Index – A curated index of the world’s best cannabis seed strains. Each review contains vital information, such as cultivation tips, strain profiles, and where to buy the best cannabis seeds.

2022 Buyer’s Guide to Granddaddy Purple Seeds

CNBS’ exclusive buyer’s and grower’s guide to GDP seeds. Explore the wonders of this noteworthy strain that features robust purple flowers, dense buds, and plenty of medicinal benefits. Including where to buy the best Granddaddy Purple seeds and expert advice on how to grow them.

Granddaddy Purple, also known as Grand Daddy Purps or GDP in short, is the quintessential purple weed for bud lovers all over the world. A rich heritage, beautiful violet hues, and bountiful indica dominance make GDP a treat for all who indulge. This “old head” strain of marijuana has been a staple in Northern California for almost 20 years with its popularity only increasing in 2022.

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Notoriety aside, Granddaddy Purple is extremely functional for those who rely on its benefits. The medical uses for this strain are plentiful due to its hybrid mentality and high THC content. Additionally, the flavor profile is top-notch, as this is one of the tastiest strains on the planet.

Granddaddy Purple seeds are making waves throughout the cannabis community while growing this strain is more popular than ever, mainly because of its big-time yields, sweet grape flavor profile, and its ability to produce a very high yield both indoors and outdoors. When growing this strain indoors, experimenting with low stress and high-stress techniques will significantly boost its final production.

Want big yields, powerful medical benefits, deep purple buds, and award-winning genetics? It’s time to head on down to the nursing home and pay Granddaddy Purple a visit.

The Best Granddaddy Purple Seeds to Buy Online

With this strain becoming a timeless novelty, many variations have popped up all over the world. Here are some of our favorites:

  • Feminized Seeds, 19-22%+ THC
  • Indica Dominant, Award Winning Genetics
  • 400-500g/m², Flowering in 10-12 Weeks
  • Easy to Grow, Very Popular Strain
  • Strong Indica Effect, Medical Strain
  • Incredible Sweet/Grape Flavor
  • Suitable for Indoor and Outdoor

MSNL Granddaddy Purple Feminized Seeds

A Granddaddy Purple feminized seed that’s high yielding and extremely potent, originally bred by Ken Estes at the Grandaddy Purp company.

This award winning variation produces plants that range from 100 to 180cm in height and are quite bushy, making it perfect for any sort of grow set-up. The THC content of the finished product lands around 19-22%. Flowering time is 10-12 weeks while outdoor growers will harvest their plants around early October. Patience is a virtue, as most grow operations produce a large yield of around 400-500g/m 2 .

This strain is excellent for beginners as it’s forgiving to mistakes due to indica heritage. During flowering, dense and heavy buds form that are peppered with an abundance of THC crystals. The finished product is the beloved purple buds that give off a sweet aroma. This aroma is also laced with pine and sandalwood undertones that overtake your nostrils and provide foreshadowing of the delight that is to come.

When smoking, flavors of sweet grape and skunky citrus are quite pronounced. They lead you into a euphoric headspace followed by a strong indica stone. The potency is to thank for this as couchlock will likely ensue depending on tolerance and amount ingested. This heavy-duty medical strain might get you a bit sleepy, and is great for relieving pain, depression, anxiety, and of course – insomnia.

Buy Online: MSNL Granddaddy Purple Feminized Seeds – Shipping Worldwide.

Growing Granddaddy Purple Seeds

Granddaddy Purple has been around for almost 20 years now. Therefore, previous data can be used to optimize the health and yield of plants. Growing your very own GDP seeds is suited for any level of experience. However, you must create an environment as close to perfect as possible to get the most out of your plants.

Here are some tips to get a grow on the right track:

Medium and Nutrients

GDP grows well in soil and hydroponics setups. The choice is ultimately the growers’ and won’t impact the health of the plants provided the nutrient requirements are met.

Speaking of nutrients, you must maintain proper nitrogen, phosphorus, and potassium levels throughout your grow, changing the levels depending on what stage your plants are in. Additionally, secondary nutrients like boron, sulfur, manganese, copper, and iron are essential for healthy Granddaddy Purple.


Finding a location to grow your Granddaddy Purple seeds isn’t difficult if you’re growing in a state like California or you have systems in place to grow successfully indoors. Granddaddy Purple was born in Northern California, meaning that it loves a dry climate. If you keep it dry, warm, and ensure there aren’t any massive temperature drops you’ll find success.


During most stages, the temperature of your Granddaddy Purple should be around 65-75 degrees Fahrenheit. Once flowering, you should drop your temperature down to 55-65 degrees Fahrenheit. This strain is used to growing in the mountains where colder environments are normal.

The drop in temperature during the flowering cycle is what gives it the most intense purple hues.


Dry environments work best to protect your plants from bud rot and mildew. It’s advised to use a hygrometer and dehumidifier to regulate and monitor humidity. This strain is affected by mold and mildew occasionally so do your best throughout different stages of your grow to maintain the humidity levels.

Here’s a quick reference guide to grow the strongest Granddaddy Purple plants:

  • Seedling stage – Between 65 to 70%RH
  • Vegetative stage – Between 50 to 70%RH
  • Flowering stage – Between 40 to 50%RH
  • Late flowering (around 1-2 weeks before harvest) – Between 30 to 40%RH

Techniques and Tips for Enhanced Results

Although they can be risky, high-stress techniques like super cropping or topping your plants help control growth patterns and build more bud sites. Granddaddy Purple loves super cropping and can produce a much bigger yield when trained correctly.

Low-stress techniques like screen of green also work well. The screen provides a support system for Granddaddy Purple’s developing bud sites that are quite large and dense. Additionally, the canopy becomes level which aids light distribution, and by that – creates lots of bud sites that produce large colas.

With the use of any of these techniques, you should also be pruning your plants. The optimal time to do this is throughout the vegetative stage and in the first week or two of flowering. This is where you remove bottom branches, small bottom most bud sites, and yellowing leaves to allocate nutrients more effectively and create airflow. This is especially important for this strain due to its thick and bushy nature.

Time and Yield

Granddaddy Purple’s flowering time sits around 8-11 weeks. If growing outdoors, harvest comes around mid-October to mid-November. The actual buds don’t start getting very purple until the last few weeks of the flowering process, so don’t worry if your plants aren’t showcasing their lovely purple heritage.

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The yield on these is quite high, especially for their indica dominant bloodline. With so many versions of this strain, exact numbers are hard to pinpoint, but some variations see yields up to 500g/m 2 .

Granddaddy Purple Cannabis Seeds – award winning genetics, suitable for indoor and outdoor grows.

Granddaddy Purple 101

GDP has won a plethora of awards since it was showcased in the early 2000s and it’s easy to see why. The immaculate flavor profile, killer appearance, and a whirlwind of magical sedation are enough to turn any cannabis lover into a die-hard fan.

Here’s the rundown on the strain’s highlights and history:


The legendary Ken Estes was the original breeder of Granddaddy Purple in 2003. Propagated in Northern California, this cross between Purple Urkle and Big Bud hit the scene and changed the way we looked at purple weed forever.

After his finest creation, Ken went on to become an activist when he was paralyzed from the waist down due to a motorcycle accident. He claimed the therapeutic effects of this magical strain have been extremely helpful in pain management amongst other things. He now has his own hip-hop compilation album named “Medicine Man” that features many star-studded rappers. Each track is about his legendary strain and some even tell the DEA to “leave Ken alone”.


Where do we start? Granddaddy Purple has been winning awards for decades. Here are some of the notable competitions this strain has placed in:

  • 1 st place 2015 Denver High Times Cannabis Cup
  • 1 st place 2004 Medical Cup
  • 1 st place 2004,2005, and 2006 Green Cup

Granddaddy Purple Look, Smell, and Taste

The Look – GDP has long held the crown for best looking purple weed on the planet. The violent hues of purple are exotic and pronounced. On the surface, significant trichome dusting and therefore snow-capped greatness covers the dense heavy mountains of bud. The colas are massive, some variations compare their final measurements to 2-liter soda bottles.

The Smell – The overall aroma is quite subtle when compared to other strains, but delicious regardless. Expect notes of citrus, sweet grape, and juicy fruit gum with an underlying dose of musk that lingers through each inhale.

The Taste – Yum, the experience begins with an intense tangy grape sensation. The flavor sits on your taste buds for what seems like hours, imagine sucking on a grape Now-And-Later candy. This is complemented by other sweet berries, skunk, and a touch of citrus.

Granddaddy Purple Effects

GDP is perfect for nighttime use due to its ability to lull the user into a potent sleep paralysis over time. The hybrid mentality of this strain, which is sometimes upwards of 80 percent indica, lets smokers feel a touch of euphoria before a powerful buzz soothes the body and pulls most people into the couch. Once in the couch, subtle waves of relaxation wash over the mind and body providing the ultimate feeling of comfort. Toke wisely, the THC content is medium to high dosage so the overall effects can be quite powerful with only a hit or two.

Granddaddy Purple Medical Benefits

GDP packs a punch when it comes to relieving a variety of symptoms. Here are a few conditions and how this strain can help:

  • Pain management – The relaxing indica effects and high THC content are significantly powerful when dealing with joint pain, migraines, muscle aches, and other conditions that require pain management.
  • Depression – The slight euphoria and overall mindfulness of this strain help patients dealing with depression.
  • Insomnia – This strain has plenty of soporific effects that help people sleep.
  • Appetite loss – A classic case of the munchies ensues when smoking GDP.
  • Stress and anxiety – The subtle waves of relaxation help wash away daily stress or fits of anxiety. The THC content is rather high though, so take it slow for maximum relief.

MSNL Granddaddy Purple Feminized Seeds – 400-500g/m², 19-22%+ THC (shipping worldwide).

Buying and Growing GDP Seeds – Final Words

One thing is for sure, Granddaddy Purple seeds are one of the best and most popular purple marijuana strains to grow in 2022. The fantastic appearance, sweet grape flavoring, yield, potency, ease of grow, and satisfying effects make it a staple for any cannabis enthusiast who’s looking to add something special to their garden.

For when gardens can be dreary and colorless, a purple one is always in bloom – so load up on some Granddaddy Purple seeds, start your crop, and experience this truly satisfying hybrid.

Author: Jason Oliver
Jason is our master grower. He has been growing cannabis for almost 10 years and working in a commercial cannabis cultivation business as an external consultant for more than three years. Helping us with getting all the facts right, Jason shares his insights via in-depth grower’s and buyer’s guides which are advanced but yet easy to read and understand.
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Grand Daddy Purple Feminised Seeds – 5

There are lots of imitators out there today. Still, this propriety “Royal Indica” strain whose puffy buds are unusually dense, magnificent in their unreal color scheme, their unmistakable smell, excellent taste, and unbelievable potency are what make it, straight up uniquely. the “Real Deal! These seeds are the result of crossing Ken’s GDP clone to a lucky male find out of that same bud! GDP then uses the female/male progeny to further develop their GDP in seed form.

Introducing the Grandaddy of purple strains – Grand Daddy Purple

How Grand Daddy Purple Grows

This Indica-dominant plant can be grown indoors and outdoors . Good harvests of 450 – 500 gr/m2 can be obtained in about 56 days of flowering. Outdoors plants will be ready during the second half of September in the northern hemisphere.

Grand Daddy Taste, Smell, and Effect

Its scent is quite intoxicating, smelling of sweet, ripe wine grapes and wild berries. THC production is almost off the scale! This makes it an excellent medical strain for relieving pain, reducing nausea, curing insomnia , and relieving moderate to severe cases of anxiety.