: While standard GDP is a cross between Purple Urkle and Big Bud, the "E239" designation typically refers to a specific laboratory-tested batch or a distinct stabilized cutting that has gained a following in 2025 and 2026. 2. "GDP 239" by Grace Sward: The Literary Thriller
: This specific variant is marketed for its "extra quality" status, noted for exceptional potency, a deep purple aesthetic, and a complex aroma profile often described as a mix of sweet berries and earthy undertones. gdp e239 grace sward