Description

The addition of Big Bud genetics contributes to the variety’s production potential, while its Purple Urkle heritage is associated with the deep fruit characteristics and colorful appearance for which Granddaddy Purple is known.

With approximately 23–28% THC, GDP offers considerable potency while completing indoor flowering in just 42–49 days. Indoor production reaches approximately 350–400 g/m², while outdoor plants are generally ready for harvest around the end of September.

Granddaddy Purple Characteristics

Also Known As: GDP, Grand Daddy Purple
Genetics: Purple Urkle × Big Bud × Secret Hybrid
Type: Feminized photoperiod cannabis seeds
Genetic Profile: Mostly Indica
THC: Approximately 23–28%
Indoor Flowering: Approximately 42–49 days / 6–7 weeks
Outdoor Harvest: End of September
Indoor Yield: Approximately 350–400 g/m² under optimal conditions
Environment: Indoor & outdoor
Plant Structure: Compact, robust and indica-influenced
Flowers: Dense, highly resinous with purple coloration potential
Aroma: Grapes, berries and sweet fruit
Flavor: Grape, berries and sweet fruit
Effect Profile: Strong, euphoric, deeply relaxing and physically heavy
Resin Production: High
Potency: Very high

Granddaddy Purple Genetics

Granddaddy Purple combines Purple Urkle × Big Bud × Secret Hybrid genetics.

Purple Urkle contributes strongly to the variety’s colorful appearance and distinctive fruit-forward character, while the addition of Big Bud is intended to increase production potential and flower development.

The third component is identified only as a Secret Hybrid, so its precise genetic identity should not be assumed.

Together, these genetics create a mostly indica hybrid characterized by dense flowers, substantial resin coverage, intense fruit aromas and a relatively short flowering period.

Granddaddy Purple Colors

Color is one of the most recognizable characteristics of Granddaddy Purple.

Flowers can develop an attractive range of purple hues beneath a frosty white coating of resin glands, creating the dramatic contrast associated with GDP.

Purple expression can vary between individual phenotypes and environmental conditions, however, so deep coloration should be considered a potential characteristic rather than guaranteed on every plant.

Granddaddy Purple Aroma

Granddaddy Purple is particularly famous for its sweet grape and berry aromatic profile.

The fragrance is intensely fruit-oriented, with ripe grape characteristics accompanied by mixed berries and deeper sweet notes.

Depending on phenotype, the aromatic profile can emphasize:

• Grapes
• Sweet berries
• Dark fruit
• Fruity sweetness
• Subtle earthy undertones

Its combination of purple flowers and grape-and-berry aromas gives GDP an especially recognizable identity.

Granddaddy Purple Flavor

The flavor closely follows the fragrance, with grape and berry characteristics dominating the palate.

Sweet dark-fruit notes provide much of the strain’s personality, creating a rich and persistent fruit profile.

For enthusiasts of grape and berry-oriented genetics, this distinctive flavor is one of Granddaddy Purple’s principal attractions.

Granddaddy Purple THC Content

Granddaddy Purple contains approximately 23–28% THC, placing this selection firmly within the high-potency category.

At the upper end of the stated range, GDP can reach particularly substantial THC concentrations.

Actual cannabinoid levels vary according to phenotype and environmental conditions, so the 23–28% range represents the stated potential for this selection rather than a guaranteed result.

Granddaddy Purple Effects

Granddaddy Purple is generally associated with a strong combination of cerebral uplift and substantial physical relaxation.

The initial character can include a brighter euphoric dimension before developing into a heavier, deeply relaxing physical profile consistent with its indica dominance.

The original description characterizes the later effects as particularly relaxing and potentially sedating.

Individual experiences vary according to personal tolerance, phenotype and cannabinoid profile.

Granddaddy Purple Flowering Time

Granddaddy Purple has a notably short flowering period for a photoperiod hybrid.

Indoor flowering takes approximately 42–49 days, equivalent to around 6–7 weeks.

Under suitable Northern Hemisphere outdoor conditions, harvest generally occurs around the end of September.

This relatively early finishing time is one of the notable characteristics of this particular GDP selection.

Granddaddy Purple Plant Structure

Granddaddy Purple develops a predominantly compact and robust indica-influenced structure.

Its flowers become dense and substantial during flowering, with extensive resin coverage creating a characteristic frosted appearance.

The combination of dense flower development and purple coloration potential makes mature GDP plants particularly visually distinctive.

No exact plant height was supplied for this selection.

Granddaddy Purple Yield

The inclusion of Big Bud genetics contributes to Granddaddy Purple’s production potential.

Indoor yields reach approximately 350–400 g/m² under optimal conditions.

The source also describes outdoor production as potentially impressive, but no exact grams-per-plant figure was supplied. It is therefore preferable not to assign an unsupported numerical outdoor yield.

Actual production varies according to phenotype and environmental conditions.

Granddaddy Purple Resilience

This Granddaddy Purple selection is described as displaying good relative tolerance to mold despite its dense flower structure.

However, this should not be interpreted as complete mold resistance. Performance varies according to phenotype and environmental conditions.

Why Choose Granddaddy Purple Seeds?

Granddaddy Purple Feminized Seeds combine striking appearance, high potency and a distinctive fruit-forward aromatic profile.

Its Purple Urkle × Big Bud × Secret Hybrid genetics produce a mostly indica selection with THC levels of approximately 23–28% and a relatively fast 42–49 day indoor flowering period.

Indoor production reaches approximately 350–400 g/m², while outdoor harvest generally occurs by late September.

Above all, GDP stands out for its beautiful purple flowers, heavy white resin coverage and unmistakable sweet grape-and-berry profile, making Granddaddy Purple one of the most visually and aromatically distinctive indica-dominant genetics.

Granddaddy Purple FAQ

What is Granddaddy Purple?

Granddaddy Purple, commonly abbreviated as GDP, is a mostly indica cannabis hybrid known for purple flowers, abundant resin and distinctive grape-and-berry aromas.

What are the genetics of Granddaddy Purple?

This Granddaddy Purple selection combines Purple Urkle × Big Bud × Secret Hybrid genetics.

Is Granddaddy Purple indica or sativa?

Granddaddy Purple is described as mostly Indica. No exact indica/sativa percentage was supplied.

Are Granddaddy Purple seeds feminized?

Yes. This selection is supplied as feminized photoperiod seeds.

Is Granddaddy Purple autoflowering?

No. This Granddaddy Purple selection is a photoperiod variety.

How much THC does Granddaddy Purple contain?

The stated THC range is approximately 23–28%, making it a high-potency selection.

How long does Granddaddy Purple take to flower?

Indoor flowering takes approximately 42–49 days, or around 6–7 weeks.

When is Granddaddy Purple harvested outdoors?

Under suitable Northern Hemisphere conditions, outdoor harvest generally takes place around the end of September.

What is the indoor yield of Granddaddy Purple?

Indoor production reaches approximately 350–400 g/m² under optimal conditions.

What is the outdoor yield of Granddaddy Purple?

The supplied information describes outdoor yields as potentially impressive but does not provide an exact grams-per-plant figure.

Does Granddaddy Purple turn purple?

Granddaddy Purple can develop deep purple hues, although coloration varies according to phenotype and environmental conditions and is not guaranteed.

What does Granddaddy Purple smell like?

GDP has a distinctive sweet grape and berry aroma, potentially accompanied by deeper dark-fruit and subtle earthy notes.

What does Granddaddy Purple taste like?

Its flavor is dominated by sweet grapes, berries and ripe fruit characteristics.

What are the effects of Granddaddy Purple?

Granddaddy Purple is generally associated with initial cerebral uplift followed by strong physical relaxation and a potentially heavy, sedating character. Individual experiences vary.

What makes Granddaddy Purple special?

GDP stands out for its Purple Urkle × Big Bud genetics, 23–28% THC, fast 42–49 day flowering period, purple coloration, heavy resin production and intense grape-and-berry profile.