TL;DR
- Lean: Balanced hybrid, 22 to 28 percent THC
- Flavor: Sweet citrus, Gelato cream, soft spice, fuel funk
- Effect: Clear-headed lift, steady body groove. Generous dose-response, clean fade.
- Best for: Mid-afternoon, evenings, solo or social, dinner pairings
- Bottom line: A Gelato cross that grew up and started reading the menu
Buy Specimen X Clones ($69)
HLVd-screened. Free 2-day shipping to all 50 states.
Verified Clearwater Genetics x Tiki Madman cut (Project 4516 x Devil Driver)
Rooted and ready to plant the day it arrives
Shop Specimen X clones at GSRH →
Strain Overview
Specimen X is the strain that put Clearwater Genetics and Tiki Madman in the same conversation as the Cookies and Compound camps. She is a heavyweight hybrid that drinks like a Gelato cross at the front of the palate and finishes with a layered, slightly funky tail that reminds you Devil Driver is sitting in her DNA. The combination is loud, layered, and built for people who are tired of strains that taste like one note.
This is a flavor strain first and a yield strain second, but she still bags out heavy. The structure is dense, the resin is generous, and the smell on a freshly pulled jar is the kind of thing that fills the room before anyone notices the bag is open. She has been on collector menus for a couple of seasons and the demand is not slowing down.
Quick Facts For Smokers
| Price | $69 (free 2-day shipping) |
| THC | 22 to 28% |
| Dominant terpenes | Limonene, myrcene, caryophyllene |
| Lineage | Project 4516 x Devil Driver |
| Breeder | Clearwater Genetics x Tiki Madman |
Quick Facts For Growers
| Flowering time | 8 to 10 weeks indoor |
| Yield | 1.8 to 2.1 grams per watt indoor |
| Stretch | 1.6 to 1.9x |
| Difficulty | Intermediate |
| Climate | Indoor, light dep, greenhouse |
Lineage & History: A Collab That Had to Happen
Clearwater Genetics had been quietly stacking phenos behind the scenes for years before the Specimen X drop pushed them into the open. Tiki Madman brought the Devil Driver father, a heavy, fuel-leaning male that has been one of the more reliable resin donors in the modern catalog. The two camps put the right mother on the right father and ended up with a hybrid that hit harder than either side expected.
The mother on this cross is Project 4516, a Gelato x Gelato selection that brings the dough, the cream, and the kind of bag appeal that sells flower without a single word of marketing. Pair that with a Devil Driver father and you get a plant that holds the dessert top end while picking up real layered complexity underneath. The pheno that became Specimen X was the standout of the run for nose, frost, and structure.
If you have run the Compound or Cookies family hybrids, the structure here will read familiar. Compact, branchy, frosted, and consistent. The flavor is where Specimen X separates herself. She does not taste like another Gelato cross. She tastes like a Gelato cross that grew up and started reading the menu.
Flavor & Aroma
The nose on cured Specimen X is layered. Sweet citrus and Gelato cream sit at the top, a soft spice and a touch of nuttiness sit in the middle, and a low fuel funk anchors the back end. Late in the cure the candy notes deepen and a bright lemon-rind top end pops out that you do not catch in week one. This is one of those strains that gets better the longer she sits in glass.
On the burn she is direct. Citrus and sherbet up front, dough and earth through the middle, and a peppery exhale that lingers a beat longer than most Gelato crosses. She runs cool, burns clean, and stays loud all the way down to the roach. Roll her in a paper and the fruit lifts; pack her in glass and the gas takes over. Both expressions are part of why people keep coming back to her.
For hash makers she is one of the cleaner Gelato-leaning options on the menu. The fresh frozen yields hold up well, the rosin presses to a glossy amber, and the layered terpene stack does not flatten through extraction the way a single-note dessert strain does. If you want a rosin with real depth, she earns a slot in the rotation.
Effects & What to Expect
Specimen X hits balanced. The first ten to fifteen minutes are clear-headed and slightly uplifting, with a creative buzz and a soft warmth across the body. From there she settles into a steady hybrid groove that runs two to three hours before fading. She is not a one-note sleeper and she is not a racy daytime stim. She sits right in the pocket.
That balance is what makes her one of the more flexible strains in a personal rotation. Mid-afternoon, evening, social, solo, she handles all of it. Tolerance smokers like her because the ceiling is real and the duration holds; newer smokers like her because the come-up is gentle enough to ease into. The dose-response curve is generous, which is rare in a 25-plus percent flower.
The come-down is clean. No real fog, no fatigue hangover, just a smooth fade. She is the kind of strain you can hand to a guest at dinner without worrying about what their next two hours look like. That alone has earned her a permanent spot on a lot of personal menus.
Growing Specimen X
She grows like a Gelato-Compound hybrid should. Compact through veg, branches well from the lower nodes, and stretches about 1.6 to 1.9x in early flower. Top her at the fourth or fifth node, run a single trellis, and she will fill out a canopy with strong main colas and consistent secondaries. She responds well to light defoliation through stretch and benefits from a second pass at week 3 to keep airflow moving.
She is a moderate to heavy feeder. The Gelato side wants the calcium and magnesium dialed in early; the Devil Driver side handles a stronger PK schedule into late flower without complaint. Push her on bloom feeding from week 4 onward and she will throw heavy frost without burning. Watch your nitrogen through the back half of veg because she can run hot if you over-correct. Tip: a clean cal-mag schedule is the single biggest lever on her finish quality.
The buds finish dense, oily, and chunky. She is one of the better-yielding flavor strains in the Gelato family thanks to the Devil Driver structure adding bulk to the colas. Keep humidity below 50% in the last two weeks because the density invites bud rot, and run a dehumidifier through your dry if your room runs above 60% RH. She handles temperature swings better than a pure Gelato pheno, which makes her a strong light dep candidate in dry climates.
She finishes between 8 and 10 weeks indoor depending on pheno. The faster phenos give you a brighter citrus top note; the slower phenos give you the deeper funk and the heavier ceiling. Indoor expect 1.8 to 2.1 grams per watt with a clean canopy and proper feeding. Outdoor in dry climates she finishes early to mid October and holds her flavor through a slow cure. Run a 21-day jar before you judge her. She opens up late.
Buy Specimen X Clones ($69, the collab that earned her keep)
Order Specimen X clones today. Free 2-day shipping to all 50 states.
Verified Clearwater Genetics x Tiki Madman cut (Project 4516 x Devil Driver)
Rooted, screened for HLVd, ready to plant the day they arrive
Shop Specimen X clones at GSRH →
If You Like Specimen X, Try
- Farmer’s Daughter: another Cookies-family stablemate, denser bag appeal with a similar finish.
- The Flyin Hawaiian: stays in the dessert lane, slightly heavier on the body with a different front.
- Monster Cookies: a sister dessert cut, swap the host’s expression for a different cream-and-cake tilt.
FAQ
Is Specimen X indica or sativa? Balanced hybrid. Clear-headed onset, smooth body buzz, no real lean toward couch-lock or racy stim.
What are the parents of Specimen X? Project 4516 (Gelato x Gelato) crossed with Devil Driver. Bred as a collab between Clearwater Genetics and Tiki Madman.
How long does Specimen X take to flower? 8 to 10 weeks indoor depending on pheno. Day 56 gives you the brightest fruit top notes, day 70 gives you the deepest funk and the heaviest body.
What does Specimen X taste like? Sweet citrus and Gelato cream up front, soft spice and earth.
Who grew the Specimen X in your pic? Pic taken by the grower @mrtootums on Instagram who grows some fire. Check out his IG HERE.
