Price range: $35.00 through $95.00
Grand Daddy Purple Feminized Seeds offer rich flavor, potent effects, and garden-worthy structure. Ideal for growers seeking a stable photoperiod cultivar with standout performance.
Read the product reviews at the bottom of this page!
• Genetics: Premium Hybrid Lineage
• Type: Feminized Photoperiod
• THC: 18–25%
• CBD: <1%
• Flowering Time: 8–10 weeks
• Yield: Medium to High
• Best For: Indoor, greenhouse, or well-managed outdoor grows
• Grow Difficulty: Challenging – Sensitive to overfeeding and high humidity during late flower.
Grand Daddy Purple is a photoperiod feminized strain bred for growers who demand consistent structure, rich aroma, and powerful effect. Developed from heritage genetics and selected for resilience, Grand Daddy Purple combines vigorous vegetative growth with a terpene-rich finish that stands out in any garden. Its hybrid lineage expresses both indica and sativa characteristics, depending on environment and training style.
Plants develop thick central colas with smaller satellite buds, all coated in dense layers of trichomes. Expect medium height with strong lateral branching, dark green foliage, and colorful accents in cooler flowering conditions.
The aroma profile ranges from sweet and herbal to fuel-laced or citrus-driven depending on phenotype. In flower, the scent becomes increasingly pungent, often requiring carbon filtration for indoor setups.
Smoke is bold and satisfying, mixing fruit-forward notes with earthy, peppery or gassy undertones. Vaping often highlights floral or sugary elements, while combustion enhances its deep base flavors.
Known for its strong onset and sustained high, Grand Daddy Purple delivers mental clarity followed by a relaxing body melt. Balanced effects make it suitable for social settings, focused creativity, or end-of-day recovery.
Popular among medical users for stress, pain, and appetite loss. Offers relief without overwhelming sedation, and provides a steady uplift that supports daytime use in low doses or heavier nighttime use in higher amounts.
This feminized photoperiod cultivar thrives under 18/6 light in veg and switches to flowering on a 12/12 cycle. Topping, LST, or SCROG methods all work well due to its flexible frame. During flowering, maintain temperatures around 21–26°C and RH near 45–50% to reduce mold risk on dense buds.
Nutrient uptake is balanced but may require additional calcium and magnesium in late veg and early flower. Flush thoroughly before harvest to preserve flavor. Outdoor growers should plant in full sun after last frost; expect harvest readiness in early to mid-October.
Dominant terpenes typically include Myrcene, Limonene, and Caryophyllene. Together they shape Grand Daddy Purple’s complex sensory experience, combining flavor, aroma, and therapeutic benefit in one potent package.
I’ve tried a lot of strains, but Grand Daddy Purple hits different. The smell during flower was insane—like grape candy and skunk had a baby. Buds came out super sticky and colorful. Smokes smooth but don’t let that fool you—it will sit you down. Within 10 minutes I was horizontal, grinning, and not thinking about a damn thing. Great for stress, pain, or knocking out after a long shift. Two thumbs way up.
GDP has been one of my go-to strains for years, and this grow reminded me why. Grew thick, chunky, purple buds with a sweet grape smell that filled the room during cure. Super easy to grow—handled my setup like a champ. The high is strong but not overwhelming. Body goes heavy, mind chills out, and sleep hits fast. I use it mostly at night, and it always delivers. Classic for a reason.
I just love everything about this strain, nice plants even better smoke
