Modified Grapes Strain

Modified Grapes Strain: Grape Candy Over Garlic Funk

The Modified Grapes strain is an indica-leaning hybrid from Symbiotic Genetics in Sacramento — a cross of GMO, the garlic-and-fuel heavyweight, and Purple Punch, the grape-candy dessert strain. The result is one of the strangest and best-loved flavor combinations in modern cannabis: sweet grape jam and honey on top, savory garlic, black pepper and gas underneath. It hits fast, lifts the mood, then settles into heavy body relaxation. It sits in the fruit-over-gas corner of our THCA flower collection.

It's also a strain with real credentials: Modified Grapes grown by LitHouse took 3rd place in Mixed Light Flower at the 2021 Emerald Cup. Below: the lineage and breeder, the terpene profile and why it smells like grape and garlic at once, how the high unfolds, how strong it is, how to use it, how to grow it, and how to judge a bag.

Modified Grapes Strain Genetics & Lineage

• Type: Indica-leaning hybrid. AllBud lists it 80% indica; Kind Goods says about 70/30; SeedFinder calls it "slightly indica-leaning"; Leafly lists it simply as a hybrid. The effects read indica.
• Ancestry: GMO (also called Garlic Cookies) × Purple Punch. SeedFinder lists the released seed line as an F2.
• Breeder: Symbiotic Genetics, founded in 2014 in Sacramento, California — credited by Leafly, SeedFinder, GreenState and GrowDiaries. Symbiotic is also the breeder behind Mimosa.
• THC: Leafly lists 23%; GreenState 22–30%; AllBud 24–30%; JointCommerce 20–28% with some cuts above 30%. CBD is trace.
• Minor cannabinoids: Leafly lists about 1% CBG and 1% CBC.
• Aliases: Modified Grape, Grape GMO, GMO Grapes.

The parents: GMO and Purple Punch

GMO — Chemdawg × Girl Scout Cookies — is famous for a nose of garlic, mushroom, onion and fuel, plus serious potency and a dense, resinous bud. It's the "modified" in Modified Grapes, and it brings the savory funk, the pepper and the chem-fuel.

Purple Punch — Larry OG × Granddaddy Purple — is a dessert strain that smells like grape candy, blueberry muffins and vanilla. It's the "grapes," and it brings the sweetness, the purple coloring and the relaxed, sleepy back half. GreenState traces the combined family tree back through Granddaddy Purple, Chemdawg and Skunk #1.

Origin and recognition

Symbiotic's own description, via SeedFinder: a hybrid "created in Sacramento, California" that "produces eye-catching buds with alluring colors, intense aromas, and a super relaxing stone," with the "sweet berry and grape aroma" of Purple Punch and the "dank chemical fuel notes" and tight structure of GMO. JointCommerce places its rise in the late-2010s wave of dessert-and-funk hybrids and notes Leafly Buzz highlighted it among its top strains in December 2022.

The verified award: at the 2021 Emerald Cup, "Modified Grapes, LitHouse" placed 3rd in the Mixed Light Flower category. You'll see other trophies claimed online; we couldn't confirm them, so we don't repeat them. One hemp retailer also says the strain originated in Humboldt County — that conflicts with every breeder-level source, which place it in Sacramento.

Modified Grapes Terpene Profile

Sources disagree on which terpene leads. Leafly's lab-sourced data puts limonene first, followed by caryophyllene and pinene. JointCommerce describes a caryophyllene-dominant profile supported by limonene, myrcene, linalool and humulene, with total terpenes often 1.5–2.8% by weight. THC Design and Verano both list limonene, caryophyllene and myrcene. The safe read: limonene and caryophyllene at the top, with pinene or myrcene behind them depending on the cut.

• Limonene: The bright, sweet top note that keeps the grape candy from tasting flat, and part of the quick mood lift.
• Caryophyllene: Black pepper and spice from the GMO side, and the only common terpene known to bind CB2 receptors directly.
• Pinene: A fresh pine edge; Leafly lists it third.
• Myrcene and linalool: Earthy and floral support notes that lean the high toward relaxation and sleep.

The "grape" itself isn't a single compound. As JointCommerce puts it, it's "a gestalt of monoterpenes and aromatics" — limonene, linalool and floral terpenes layered over sweetness — while the garlic comes from GMO's sulfur-heavy chemistry.

Appearance

Modified Grapes has real bag appeal. AllBud describes "rounded fluffy dark olive green nugs with purple undertones, thin orange hairs and a coating of dark purple-tinted white trichomes." JointCommerce notes dense, medium-sized buds with a high calyx-to-leaf ratio, marbled with lavender to deep purple when night temperatures drop below about 68°F, and bulbous trichomes that give it a sugared, powdered look. SeedFinder's breeder notes describe compact plants with dark purple flowers.

Aroma and Flavor

This is the reason people seek it out. Crack the jar and you get candied grape first — grape soda, grape jam, sometimes a hint of grape cough syrup — then a savory wave of garlic, black pepper and gas. AllBud calls the aroma "very pungent and heavy with punches of rotting grapes and rich black pepper." Kind Goods sums it up as "sweet, rotten grapes and pungent gasoline," "spicy grape candy and honey" and "savory, garlicky undertones." Leafly's flavor tags are grape, berry and honey.

The inhale is sweet grape and berry with a little vanilla; the exhale brings pepper, fuel and a lingering garlic note. JointCommerce's shorthand is hard to beat: "a grape jelly doughnut eaten near a gas pump." Reviewers on GreenState found different cuts lean different ways — one more funk-and-fuel, another closer to a candy bouquet.

Recreational Effects

Modified Grapes comes on fast and finishes heavy. On Leafly, with 165 ratings averaging 4.4 out of 5, the top-reported effects are:

• Sleepy: the headline effect, especially later in the session.
• Relaxed: deep muscle calm — GreenState notes it's a favorite at the end of a long day.
• Aroused: Leafly's third-most reported effect.
• Euphoric and happy: a quick mood lift up front; AllBud's reviewers also list creative, sociable and uplifted.
• Hungry: GreenState reviewers report "severe munchies."

How the high unfolds: onset, peak and duration

• First 2–5 minutes: a quick head change and mood lift — one reviewer called it a "shoulders and up" high.
• 30–60 minutes: the peak — euphoric and calm, with the body getting heavier.
• 2–3 hours: a slow taper toward the couch or bed.

Those timings come from JointCommerce's guide and match what reviewers describe. AllBud's users put it more bluntly: it can hit "like a truck."

→ Experience it yourself — shop Diesel Hemp's THCA Flower

How Strong Is Modified Grapes?

Strong. Leafly flags it as "an ideal choice for experienced cannabis consumers," and every source puts it in the high-THC bracket:

• Leafly: 23% (individual tested products listed at 23–25%).
• SeedFinder: around 23–24%, with reports of up to 38% total cannabinoids.
• GreenState: 22–30%.
• AllBud: 24–30%.
• JointCommerce: 20–28%, with exceptional cuts above 30%.

What gets you high the longest isn't just THC — it's dose, method and tolerance. Smoked, Modified Grapes runs about two to three hours; edibles made from it last much longer. Potency varies more by grower and batch than by strain name, so check the COA rather than the hype.

THCA flower is labeled differently from dispensary flower: the lab reports THCA, which converts to THC when heated, plus a small amount of delta-9 THC. When you compare a Modified Grapes batch against the 22–30% range above, compare total THC on the COA, not the headline number — our guide on how to read a THCA flower COA walks through the math.

Modified Grapes vs Similar Strains

• vs GMO: the savory parent. GMO is all garlic and fuel with a long, heavy high; Modified Grapes adds the grape candy and is easier to enjoy.
• vs Purple Punch: the sweet parent. Purple Punch is pure grape-and-berry dessert; Modified Grapes adds funk, pepper and more potency.
• vs Grape Ape and Granddaddy Purple: classic grape indicas. Sweeter and simpler, without the garlic edge.
• vs Grape Gas: another grape-over-fuel hybrid, but without GMO's savory garlic.
• vs Garlic Breath: a GMO-family relative that leans almost fully savory.
• vs Super Boof: Black Cherry Punch × Tropicana Cookies — and Black Cherry Punch comes from Purple Punch, so it shares Modified Grapes' Purple Punch fruit. Dark berry and cherry over a creamy, gassy base, with a euphoric lift and a relaxed finish. It's the closest match on our shelf.

Who Modified Grapes Is (and Isn't) For

Good fit: experienced smokers who want a flavorful late-afternoon or evening strain; fans of both dessert strains and gassy, savory funk; anyone winding down after a long day.

Poor fit: beginners, people prone to THC anxiety (anxious and paranoid are among Leafly's top negatives), and anyone who needs to be productive. For a candy-forward option on our shelf, Cosmic Runtz is the sweeter pick.

How to Use Modified Grapes THCA Flower — and How Much

THCA has to be heated to do anything. Raw, it isn't intoxicating; heat converts it to THC (decarboxylation), which is why the method matters as much as the strain.

• Smoking (joint, pipe, bong): the fastest onset. Take one or two small hits, then wait 10–15 minutes before deciding on more.
• Dry-herb vaporizer: the best way to taste the grape before the garlic takes over. Around 350–375°F keeps the candy and citrus; 390–410°F brings out the pepper, fuel and heavier body.
• Pre-rolls: the no-prep option — see our THCA pre-rolls.
• Homemade edibles: decarb the flower first. Edibles take 30–120 minutes to kick in and last far longer, so start low and wait the full two hours.

How much? New or occasional users: one small puff, then wait 15 minutes — this strain is potent and fast. Regular users usually find two or three hits delivers the full arc, from mood lift to couch. You can always add more; you can't take it back.

Medicinal Benefits

These are uses consumers report on Leafly, not established clinical outcomes. Individual response varies with dose, tolerance and chemotype.

• Anxiety: about 32% of Leafly reviewers — the most common reason people reach for it, though anxiety is also one of its reported negatives at high doses.
• Stress: about 18%.
• Insomnia: about 16%, consistent with "sleepy" as its top effect.
• Muscle tension and aches: commonly mentioned in reviews and on GreenState.
• Low appetite: the munchies are well documented.

For a plain-language primer on how terpenes are thought to shape these effects, see Project CBD on terpenes. Nothing here is medical advice, and nothing on this page is intended to diagnose, treat, cure or prevent any disease. If you take prescription medication or have a health condition, talk to your doctor before using any cannabis product.

Side Effects and Cautions

• Anxiety or paranoia — Leafly's top two negatives besides dry mouth; GreenState advises "start low and go slow."
• Dry mouth and dry eyes — the usual complaints.
• Heavy sedation — great at night, a problem if you have plans.
• Feeling unfocused — some AllBud reviewers describe it as "heady at times" or "out of touch."

Don't drive after using it, and talk to your doctor first if you take prescription medication, are pregnant or nursing, or have a heart condition.

Is Modified Grapes Top Shelf? How to Judge a Good Bag

• Grape and garlic. A real Modified Grapes has both. All candy and no funk — or all garlic and no fruit — suggests a weak cut or a mislabel.
• A current third-party COA naming the lab, with THCA, delta-9 and total THC. Ours are on the lab results page.
• Dense, frosty buds in dark olive green with purple flashes and thin orange hairs.
• A loud jar. The terpenes are delicate; a flat or hay-like smell means a rushed dry or old stock.
• Ask who grew it. Reddit threads show quality varies widely between producers.

Growing Modified Grapes

Modified Grapes is a compact, resinous plant that rewards attention. GrowDiaries describes it as short and suited to growers with some experience.

• Flowering: about 8–9 weeks indoors, per The Hemp Doctor's grow notes, with some growers running it to 11 weeks for bigger yields.
• Yield: up to about 600 g/m² indoors and 700 g per plant outdoors (The Hemp Doctor).
• Height: short to medium, with compact, sturdy branching.
• Color: nights below about 68°F late in flower bring out the purple.
• Smell control: essential — the GMO side is very loud.
• Seeds: Symbiotic Genetics released it as regular (not feminized) seeds, per SeedFinder.

Is Modified Grapes THCA Flower Legal?

Under the 2018 Farm Bill, hemp is federally legal when it contains no more than 0.3% delta-9 THC on a dry-weight basis — see the USDA hemp program. THCA flower is sold under that rule. State laws differ and are changing, so check your state before you order. And whatever the label says, THCA flower will show up on a drug test — heated, it is THC.

Shop Premium Flower at Diesel Hemp

• Super Boof THCA Flower — our Purple Punch-family hybrid — dark berry and cherry over a creamy, gassy base.
• THCA Flower — the full lineup, grown in Colorado by Diesel Hemp and partner farms.
• THCA Pre-Rolls — the same flower, pre-rolled.
• THCA Small Buds — same genetics, smaller nugs, better price per gram.
• What THCA flower actually is — the encyclopedia explainer.

Frequently Asked Questions

Is Modified Grapes indica or sativa?

Modified Grapes is an indica-leaning hybrid. AllBud lists it 80% indica, Kind Goods about 70/30, and SeedFinder calls it slightly indica-leaning. Its top-reported effects — sleepy and relaxed — are indica-style.

What is the Modified Grapes strain?

A GMO × Purple Punch hybrid from Symbiotic Genetics in Sacramento, known for sweet grape candy over garlic, pepper and fuel, 22–30% THC, and a euphoric-then-heavy high.

What is Modified Grapes a cross of?

GMO (also called Garlic Cookies) × Purple Punch. GMO brings the garlic-fuel funk and potency; Purple Punch brings the grape sweetness and purple color.

Who bred Modified Grapes?

Symbiotic Genetics, the Sacramento breeder also behind Mimosa. Growers such as LitHouse and In the Flow grow and sell their own cuts.

Is Modified Grapes strong?

Yes. Leafly lists 23% THC, and other sources report 22–30%, with some cuts above 30%. It hits fast, so start with one small puff.

What does Modified Grapes taste like?

Sweet grape, berry and honey on the inhale, then black pepper, fuel and a savory garlic finish. It's often described as grape candy over garlic funk.

What are the effects of Modified Grapes?

Leafly's top-reported effects are sleepy, relaxed and aroused. Expect a quick euphoric lift followed by heavy body relaxation.

Did Modified Grapes win any awards?

Yes — Modified Grapes grown by LitHouse placed 3rd in the Mixed Light Flower category at the 2021 Emerald Cup.

Is Modified Grapes good for sleep?

Many users say so. 'Sleepy' is its top-reported effect on Leafly, and about 16% of reviewers use it for insomnia. It's best later in the day.

Is Modified Grapes good for anxiety?

It's mixed. About 32% of Leafly reviewers say it helps with anxiety, but 'anxious' and 'paranoid' are also among its top negatives. Low doses are the safer approach.

How long does Modified Grapes last?

Smoked or vaped, the high peaks around 30–60 minutes and tapers over about two to three hours. Edibles last considerably longer.

How long does Modified Grapes take to flower?

About 8–9 weeks indoors, with some growers running it to 11 weeks for a bigger yield.

Where can I buy Modified Grapes THCA flower online?

Modified Grapes isn't in the Diesel Hemp shop right now. The closest match is Super Boof THCA Flower — a Purple Punch-family hybrid with dark berry and cherry over a creamy, gassy base and a relaxed finish, ½oz for $75, third-party lab tested, with free shipping over $75.

Related Strains

• GMO — the garlic-and-fuel parent.
• Purple Punch — the grape-candy parent.
• Super Boof — a Purple Punch-family hybrid — our closest in-stock match.
• Granddaddy Purple — the grape grandparent through Purple Punch.
• Chemdawg — the fuel grandparent through GMO.
• Garlic Breath — a savory GMO-family relative.
• Grape Ape — a classic grape indica.
• Grape Gas — another grape-over-fuel hybrid.
• Mimosa — another Symbiotic Genetics release.
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