023 Granddaddy Purple flower
Granddaddy Purple Indica
Indica

Granddaddy Purple

Purple Urkle × Big Bud

How to grow it
Median THC
18.7%
CBD
<1%
Flowering
7–8 weeks (~58 days)
Yield
High

What labs found

Median THC
18.7%
Typical range
11.4–25.9%
Lab tests
1,632
States
10

0%40%

Terpenes that test highest: limonene, myrcene, caryophyllene (from 33 tests)

Flower tested under this name in legal US markets, 2014–2024. The range covers the middle 90% of tests. Growers and labs vary, so a given jar can fall outside it. Data: Jikomes & Zoorob (CC0), Cannabis Wise Guys (CC BY 4.0), Cannlytics (CC BY 4.0).

About Granddaddy Purple

A Californian indica known for grape aroma and for colouring deeply purple in cool conditions.

Granddaddy Purple was released in the early 2000s, combining Purple Urkle’s colour and aroma with Big Bud’s flower size.

The purple colouring is anthocyanin expression and depends on temperature as much as genetics, which is why the same cultivar can finish entirely green.

Specs

Genetics

Also known as
Grand Daddy Purp, Granddaddy Purple Kush, Granddaddy Purps, GDP, Grandaddy Purple, Grandaddy Purp

Growing

Plant height
Short
Difficulty
Easy
Climate
Indoor
Grower notes
Rated easy difficulty for home and commercial cultivators, suited for indoor setups, reaching short plant height, with high harvest yields and finishing in 7–8 weeks (~58 days).

The flower

Flavour
Grape, Berry, Floral, Sweet
Aroma
Candied dark grape, ripe mixed berry, sweet violet floral notes
Terpenes
Dominant terpenes: limonene, myrcene, caryophyllene
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