Granddaddy Purple 3 seeds
Granddaddy Purple Seeds – Purple Urkle × Big Bud, 20% THC
What is Granddaddy Purple? Granddaddy Purple, GDP for short, by Royal Queen Seeds is a feminised, photoperiod hybrid of Purple Urkle × Big Bud with 75% Indica and 25% Sativa. After 8 to 10 weeks of flowering it yields 450 to 500 g/m² according to the manufacturer, stays medium-tall indoors at up to 120 cm and reaches 20% THC. The flavour is fruity-sweet with blueberry and a hint of pine, the effect deeply relaxing for the body with an uplifted mood. The robust, low-maintenance strain is also suitable for getting started – in the Indica strains category. Available in packs of 3, 5 and 10 seeds.
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Manufacturer Information
Genetics & Origin of Granddaddy Purple
Behind Granddaddy Purple lies a lineage that Royal Queen Seeds describes as complex. Purple Urkle is a phenotype of the Californian Mendocino Purps, and Big Bud goes back to Afghan and Skunk. Together they produce a genetic profile of 75% Indica and 25% Sativa. The manufacturer counts GDP among the most popular Indica-dominant hybrids and states 20% THC with a low CBD content. The seeds are feminised and photoperiod. The strain is also known for the purple hues of its flowers, which the strain description highlights. You will find relatives in our range: the parent strain is available as Big Bud Regular by Sensi Seeds, and Royal Queen Seeds describes Purple Punch as a descendant of GDP and Larry OG.
Who Is Granddaddy Purple For?
According to the manufacturer, Granddaddy Purple is relatively easy to grow and just as easy to enjoy. It suits:
- Beginners looking for a robust and low-maintenance plant
- Growers with medium-height tents for whom a plant height of up to 120 cm is enough
- Outdoor gardeners in regions with short summers
- Fans of fruity-sweet aromas with blueberry and sweets
- Consumers who prefer a physically relaxing strain in the evening
GDP is less suitable for anyone looking for a stimulating, clear effect during the day – the data sheet expressly says "sleepy". You can find other uncomplicated strains under cannabis seeds for beginners.
Growing Granddaddy Purple: Indoor & Outdoor
Indoor Growing
In the grow room, GDP stays medium-tall: the data sheet states 70 to 120 cm, while elsewhere the manufacturer gives 80 to 120 cm. Flowering takes 8 to 10 weeks. With good care, Royal Queen Seeds holds out the prospect of 450 to 500 g/m². The plants are considered robust and low-maintenance; the manufacturer does not recommend any particular training techniques. As it describes a high yield of potent buds, it is worth supporting heavy shoots towards the end of flowering and ensuring even air movement. The first steps from germination to harvest are explained in the tips for beginners in the Growpedia.
Outdoor Growing
Under the open sky, GDP reaches 120 to 150 cm and, according to the manufacturer, is ready to harvest in early October. The data sheet puts the yield at 550 to 600 g per plant, while elsewhere the manufacturer states 500 to 600 g. Royal Queen Seeds gives "short summers" as the climate zone; so the strain is also an option where the season ends early. A sunny, sheltered spot supports ripening. Only grow where it is legal to do so.
Effect, Aroma & Flavour of Granddaddy Purple
Royal Queen Seeds describes a fruity, altogether sweet terpene profile. Blueberry, fruit and sweets stand out most clearly, joined by a hint of refreshing pine – a mix the manufacturer calls interesting. The manufacturer does not name individual terpenes or lab values. When consumed, according to its information, GDP produces a strong, deeply relaxing body sensation and lifts the mood at the same time; the data sheet lists the terms euphoric, physically relaxing and sleepy. RQS therefore recommends it as a strain for the evening, for example for switching off after a long day. At 20% THC, the strain description speaks of a long-lasting, intense high. How strongly you feel the effect depends on dose and personal tolerance.
Note: Effect information is based on manufacturer data and user experience and does not constitute medical advice.
Why Buy Granddaddy Purple at United Seedbanks?
United Seedbanks is not an anonymous mail-order seller but a specialist shop for cannabis seeds. You get Granddaddy Purple from us as original seed stock from Royal Queen Seeds – with honest strain data instead of advertising promises.
- Original genetics from Royal Queen Seeds – Granddaddy Purple as feminised seeds straight from the breeder, in three pack sizes.
- Personal expert advice – we know our range and help you choose the right strain and pack size.
- Discreet shipping – neutrally packed, free shipping from €100.
- Secure payment of your choice – credit card, bank transfer or Bitcoin.
- Verified quality – carefully stored seeds for reliable germination.
This gives you Granddaddy Purple with expertise, discretion and dependable service from a single source. The breeder's full range is available on the Royal Queen Seeds page.
Frequently Asked Questions about Granddaddy Purple
What genetics are in Granddaddy Purple?
Granddaddy Purple is a cross of Purple Urkle and Big Bud. According to the manufacturer, Purple Urkle is a phenotype of Mendocino Purps and Big Bud goes back to Afghan and Skunk; the ratio is 75% Indica and 25% Sativa.
Is Granddaddy Purple suitable for beginners?
Yes. Royal Queen Seeds describes the strain as relatively easy to grow, robust and low-maintenance, and in the shop it is rated for beginners.
How long does Granddaddy Purple flower?
Flowering time is 8 to 10 weeks. Outdoors, according to the manufacturer, the strain is ready to harvest in early October.
What yield does Granddaddy Purple deliver?
Indoors, the manufacturer states 450 to 500 g/m². Outdoors it is 550 to 600 g per plant according to the data sheet, while elsewhere the manufacturer states 500 to 600 g.
What does Granddaddy Purple have to do with Purple Punch?
Granddaddy Purple is one of its two parent strains: the breeder describes Purple Punch by Royal Queen Seeds as a descendant of GDP and Larry OG.