Painkiller Feminized Seeds by Dr Underground – Medical-Grade Indica Hybrid for Appetite & Relaxation

Painkiller by Dr. Underground is a medical-grade feminized hybrid designed to deliver deep relaxation, stimulate appetite, and support restful sleep—all without next-day fog. This is your go-to strain when comfort and calm are the priority.

Are you tired of hearing conflicting advice about which strains actually work for relaxation and physical relief? With so many overhyped varieties promising miracles, it’s easy to end up with underperforming plants or confusing effects.

Worse, some growers end up frustrated, thinking they did something wrong—when the real issue was an unsuitable strain or misinformation about its use. Misunderstanding a plant’s true potential leads to poor results, wasted time, and lost confidence.

Painkiller cuts through the noise. Bred from two legendary lines—Sensi Star and White Russian—this strain delivers exactly what it promises: powerful physical calm, a noticeable boost in appetite, and a clean, refreshing rest. No guesswork, no exaggeration—just consistent, high-resin performance for those who value therapeutic effects and quality yield.

Common Myths About Medical Strains

• Myth: All high-THC strains are good for pain. Reality: Indica-dominant hybrids like Painkiller target physical relaxation more effectively than sativa-dominant varieties.
• Myth: Medical strains are always sedating to the point of immobility. Reality: Painkiller relaxes without locking you to the couch—ideal for evening wind-down, not daytime shutdown.
• Myth: Flavor doesn’t matter in medical use. Reality: Its earthy-citrus profile enhances the experience, making consumption more enjoyable and consistent.
• Myth: You need rare genetics for real results. Reality: Painkiller uses proven parentage (Sensi Star x White Russian) to deliver reliable, reproducible effects.
• Myth: Higher yield means lower potency. Reality: This strain produces up to 600 g/m² (21.19 oz/ft²) indoors with strong resin and THC levels from 18–22%.

What Painkiller Really Does (And What It Doesn’t)

Painkiller delivers a deeply calming, full-body effect that helps quiet physical discomfort and mental tension. It’s especially effective for evening use, promoting natural sleep onset and improving sleep quality. Thanks to its genetic lineage, it also stimulates appetite—making it valuable for those dealing with nausea or low intake.

It does not cause paranoia or overstimulation. While potent, it avoids the racing thoughts associated with some sativas. It’s not designed for daytime productivity or social energy. Instead, it excels at helping you disconnect, decompress, and recover—especially after long or stressful days.

Advantages and Benefits When Grown Right

• Enjoy a fast 7–8 week flowering cycle—perfect for quick, reliable harvests
• Harvest dense, resin-coated buds that are ideal for extractions like rosin
• Experience a balanced high: euphoric at first, then deeply relaxing as the night progresses
• Benefit from high yields both indoors (up to 600 g/m²) and outdoors (up to 800 g/plant)
• Grow a mold-resistant plant that thrives in temperate and Mediterranean climates
• Appreciate the earthy, citrus-tinged flavor that stays true after drying
• Use it in SOG setups—its compact, columnar structure maximizes space efficiency

How to Choose Based on Your Goals

Whether you're growing for personal wellness or maximizing harvests, Painkiller adapts to your needs. Here’s how to match expectations with results:

• If you want fast relief, pay attention to its 7–8 week flowering time and early bud development
• If you’re after high resin, look for the lemon-scented phenotypes known as “Lemon Juice”
• If space is limited, note its medium height: 0.80–1.10 m (2.62–3.61 ft) indoors
• If you grow outdoors, harvest at the end of September for peak maturity
• If you value discretion, remember its pungent citrus aroma—consider using a carbon filter

Technical specifications

• Breeder / Brand: Dr Underground
• Type: Feminized
• Dominance: Indica-dominant hybrid
• Genetics / Cross: Sensi Star (Paradise Seeds) × White Russian (Serious Seeds)
• Flowering Time: 7–8 weeks (indoor), end of September (outdoor)
• Yield (Indoor): 450–600 g/m² (15.87–21.19 oz/ft²)
• Yield (Outdoor): 600–800 g/plant (21.19–28.22 oz/plant)
• Height (Indoor): 0.80–1.10 m (2.62–3.61 ft)
• Height (Outdoor): 1.20–1.50 m (3.94–4.92 ft)
• Difficulty: Easy
• Structure: Wide, dark leaves; columnar; dense branching
• Climate: Temperate, Mediterranean
• Resistance: High resistance to mold and pests
• Training: Suitable for SOG, LST, SCROG
• THC: 18–22%
• Aromatic Profile: Myrcene, Limonene
• Flavour: Earthy, citrus, hints of beer yeast
• Effect: Relaxing, uplifting, euphoric, happy—ideal for nighttime use

How to Grow Painkiller Feminized Seeds

Get the most out of Painkiller with a simple, effective grow plan tailored to its indica-dominant genetics and high-yield potential.

Quick overview: feminized · Dr Underground · 7–8 week flowering · easy grow · ideal for indoor SOG or outdoor in warm climates.

Safe start: Germinate in a moist, dark environment at 22–25 °C. Transplant carefully once the taproot reaches ~1 cm. For a stronger start, Pro Roots boosts early root development and reduces shock.

Stable seedling: Keep humidity at 60–70% and use gentle light. Water lightly and ensure good drainage. A well-aerated substrate like Premium Coco Substrate Pre-Fertilized Plagron supports steady growth without overfeeding.

Directed growth: Use 18/6 light cycle during veg. Train with LST or SCROG to maximize yield. Maintain pH 6.0–6.5 (soil) or 5.8–6.2 (coco) and keep EC progressive. Its columnar structure fills space efficiently.

Flowering by stages: Switch to 12/12 to trigger bloom. In early flowering, support branches if needed. Mid-flower is when resin production peaks—consider Rhino Skin Advanced Nutrients for stronger cell walls and denser buds.

Harvest, drying and curing: Harvest when trichomes turn milky to amber. Flush 7–10 days before cut. Dry at 18–22 °C and 50–60% RH. Cure buds in jars for 2–4 weeks to enhance flavor and smoothness.

Frequently Asked Questions

Does Painkiller really help with appetite and nausea?

Yes—its indica-dominant genetics and terpene profile (myrcene, limonene) are commonly associated with increased hunger and digestive comfort. Many users report improved appetite and reduced nausea.

Can I grow Painkiller outdoors in a cooler climate?

It thrives in temperate and Mediterranean zones. If you’re in a cooler region, plant it in a sunny, sheltered spot and harvest by late September to avoid autumn humidity.

What’s the difference between Painkiller and other White Russian crosses?

Painkiller is specifically backcrossed for medical use, with enhanced resin, faster flowering, and stronger body effects compared to standard hybrids.

Is it suitable for beginner growers?

Absolutely. It’s labeled “easy” due to its resilience, fast cycle, and high resistance to pests and mold—perfect for first-time medical growers.

How do I identify the best phenotype?

Look for the “Lemon Juice” variant—known for its citrus aroma and smooth, energizing onset before deep relaxation sets in.

Personal Experience of Pevgrow’s CEO (Alan)

I’ve seen a lot of so-called “medical” strains that don’t live up to the hype. But Painkiller? It’s the real deal. I grew it side-by-side with other indica hybrids, and it stood out immediately—thick, resinous buds, a smell like damp soil and fresh lemon, and a high that hits deep without knocking you out.

What surprised me most was how fast it finished. At 7 weeks, the trichomes were already milky—perfect for a balanced, relaxing effect. I’ve recommended it to friends dealing with chronic stress or sleep issues, and the feedback has been consistent: 'It just works.' No overkill, no anxiety—just clean, effective relief. If you’re looking for a strain that delivers on its promises, this is it.