One sec…
One sec…
Sweet grape-and-blueberry indica — dessert nightcap.
Purple Punch is the dessert-grape indica of the modern shelf — Larry OG crossed with Granddaddy Purple by Symbiotic Genetics in the mid-2010s, and one of the strains that bridged the gap between the older purple-family heritage (GDP, Grape Ape, Mendo Purps) and the candy-sweet hybrid wave that took over the back half of that decade. The aroma is the immediate tell on the floor: grape Kool-Aid candy up front, with a blueberry-muffin sweetness sitting just underneath and a faint vanilla finish, the kind of jar that pulls a customer back from across the room. The Larry OG side keeps it from feeling pure sugar — there is a kush-warmth tucked under the fruit that gives the strain a backbone the pure dessert hybrids do not always have. On the body side it reads as a slow-onset indica that takes fifteen or twenty minutes to settle in and then lands cleanly in the evening cadence; customers reach for it specifically as a post-dinner pick rather than something to carry through a whole evening. Of the modern purple indicas on a Washington shelf, Purple Punch is the one with the loudest fruit-forward aroma.
Live inventory
3 Purple Punch-related products available at Seattle Cannabis Co. right now.
Genetics
Purple Punch's parents, descendants, and sister strains in the catalog.
Aromatic chemistry
Purple Punch was bred by Symbiotic Genetics in the mid-2010s — Larry OG (an OG Kush phenotype) crossed with Granddaddy Purple. The keeper cut traveled fast through California first and was sitting on a Washington shelf by the late 2010s. Almost every modern jar descends from that original Symbiotic line, although grower-cut variations split into two camps: phenos leaning toward the GDP side run heavier grape and denser purple coloration, while phenos leaning Larry OG side come through with more kush-warmth and less candy-sweet on the front.
Indica. The body cadence is the dominant character — slow-onset, evening-leaning, settles into the couch within about twenty minutes of finishing a session. There is a brief head-character on the front end (limonene-driven, gentle, head-light rather than head-up) but it fades back as the body lands. Customers reach for Purple Punch when they want the indica direction without the heavier old-school earthiness that strains like Northern Lights or straight GDP bring.
On the inhale: grape candy up front, the way a Welch's juice box reads on the first sip, with a blueberry-skin layer sitting just underneath. On the exhale: vanilla sweetness comes through first, then the caryophyllene-warmth lands as a peppery back-of-the-tongue snap, then a soft kush-finish from the Larry OG side. Burns medium-slow. The smoke is loud — anyone in the same room is going to smell the grape.
Lab numbers run in the 18–25% THC range, which puts most phenos comfortably mid-shelf. Customers with built tolerance read it as a confident indica; lower-tolerance customers find it easier to dose than a 28%+ dessert hybrid because the onset is slow enough that a customer who takes a moderate dose has fifteen or twenty minutes to recognize where they are before the body cadence fully arrives.
Post-dinner into the evening. The slow onset makes it a poor pick for any time a customer needs to be alert in the next hour, and the body cadence is heavy enough that even the loudest-fruit phenos do not work as a daytime carry. Some customers reach for it as a one-hour-before-bed pick specifically because the slow onset matches their sleep cadence; others find that landing it earlier in the evening lets the body settle before the sleep window arrives.
The terpene profile is loaded — heavy caryophyllene plus limonene plus the GDP-side grape compounds make for a jar that walks across a room. Some of the modern dessert hybrids in the same family lean candy-sweet but lose the aromatic weight in the cure; Purple Punch tends to hold its aroma well, which is one of the reasons returning customers cite it specifically over other purple-family options on the shelf.
GDP runs darker, earthier, and reads more old-school grape — closer to the wine-barrel side of the fruit register. Purple Punch runs brighter and candy-sweeter because the Larry OG parent adds a citrus-and-vanilla layer that GDP on its own does not have. Effect-wise the two land in the same evening cadence, but GDP feels heavier per milligram on the body and Purple Punch feels lighter on the head before the cadence arrives. Customers who like one usually like the other; the pick comes down to whether candy-sweet or wine-barrel reads better to a particular nose.
Often, but not guaranteed. The purple color is driven by anthocyanins that express in cool overnight grow temperatures; growers who finish the strain in warmer rooms get jars that lean green with purple accents instead of fully purple buds. Color is a cosmetic indicator of the GDP ancestry, not a reliable proxy for potency or terpene loading — some of the loudest-aroma Purple Punch we have carried has been on the greener side of the spectrum.
Verified May 15, 2026 against 2 sources.
21+. Cannabis affects people differently — your experience may vary. Not medical advice. Effects described are common customer reports, not promises. Seattle Cannabis Co., Seattle, WA.