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Grapefruit Haze – Feminized Autoflower Cannabis Seeds – QCS
Grapefruit Haze Autoflower Cannabis Seeds Feminized
Grapefruit Haze Autoflower is a feminized, Sativa-dominant hybrid bred from Super Silver Haze × Grapefruit × Ruderalis. It tests at 22% THC with 1.20% CBD, flowers automatically in 65 days, stays small (0–4 ft indoors, 0–5 ft outdoors), and yields up to ~400 g/m² indoors or around 300 g per plant outdoors, typically harvesting in August. The genetics combine Super Silver Haze's potent, clear-headed Sativa energy with Grapefruit's vibrant citrus flavor, producing reported effects that are creative and energetic with a relaxing, social undertone.
Genetics: Super Silver Haze × Grapefruit × Ruderalis
Super Silver Haze contributes potent, energizing effects and a clear-headed, creative Sativa high.
Grapefruit contributes vibrant citrus flavor, an invigorating aroma, and a balanced effect that's both uplifting and relaxing.
Ruderalis contributes the autoflowering trait, letting the plant flower by age rather than light cycle.
Grapefruit Haze Autoflower Strain Details
Specifications published by Quebec Cannabis Seeds. Results vary with growing medium, technique, experience and conditions.
| Detail | Info |
|---|---|
| Breeder | Quebec Cannabis Seeds |
| Sex | Feminized |
| Genetics | Super Silver Haze × Grapefruit × Ruderalis |
| Type | Sativa-dominant, autoflowering |
| Flowering Time | About 65 days |
| Indoor Height | 0–4 ft |
| Outdoor Height | 0–5 ft |
| Best Outdoor Climate | Continental, Mediterranean, temperate, tropical |
| THC | 22% |
| CBD | ~1.20% |
| Indoor Yield | Up to ~400 g/m² |
| Outdoor Yield | ~300 g/plant |
Flavor, Aroma & Terpenes
Flavor: Earthy and tropical, punctuated by a burst of tangy grapefruit, with hints of sweetness and subtle sour accents.
Aroma: Citrus and earthy elements with an underlying pungency, balanced by sweet and sour notes.
Key terpenes: Caryophyllene, humulene, limonene, myrcene, and phellandrene.
Effects
Commonly reported: energetic, creative, euphoric, focused, talkative, uplifting, relaxing. Typically described as a clear-headed, uplifting high good for daytime use or socializing, balanced by a gentle body relaxation that eases tension without heavy sedation.
Effects vary by person and dose. Not medical advice.
Reported Uses
Some users report the energizing, mood-lifting profile as supportive for stress, low mood, or minor tension. This reflects general reported use, not medical advice or a treatment claim for any diagnosed condition — consult a healthcare provider before using cannabis for anxiety, depression, or any other medical condition.
Growing Conditions
- Indoor: 70–80°F (21–27°C), 40–50% humidity during flowering, 18–20 hours of light under LED/HPS; compact size suits small tents.
- Outdoor: Best in continental, Mediterranean, temperate, or tropical climates.
- Greenhouse: Adapts well where temperature and humidity can be fine-tuned.
- Training: LST or ScrOG evens the canopy; prune lower leaves for airflow and mold prevention.
- Nutrients: Balanced feed in veg, bloom-specific formula at flowering; monitor pH.
Harvesting
Monitor trichomes closely — harvest when most are cloudy with a few amber to preserve full cannabinoid and terpene expression.
Frequently Asked Questions
What is Grapefruit Haze Autoflower? A feminized, Sativa-dominant autoflower bred from Super Silver Haze × Grapefruit × Ruderalis, known for its tangy citrus flavor and energetic, creative high.
How much THC and CBD does it have? Breeder-listed THC: 22%. Breeder-listed CBD: ~1.20%.
How long does it take to flower? Breeder-listed flowering time: About 65 days.
How tall does it grow? Small — 0–4 ft indoors, 0–5 ft outdoors.
What's the yield? Up to ~400 g/m² indoors, or around 300 g per plant outdoors.
What does it taste like? Earthy and tropical, with a burst of tangy grapefruit and subtle sweet-sour accents.
Buy Grapefruit Haze Autoflower Cannabis Seeds in Canada
Order Grapefruit Haze autoflower cannabis seeds online from Montreal Cannabis Seeds, a Canadian online seed bank with more than 10 years in business. Every order ships in plain packaging with no product names on the outside, and every order includes free seeds: the bigger the order, the more free seeds you get. Pay by credit card, e-transfer or Bitcoin.
How fast will my Grapefruit Haze seeds arrive? We ship every day, and orders placed before 2 p.m. ET ship the same day. Canada Post standard shipping is $10 (4–11 business days, no tracking) and courier express is $25 (2–4 business days, with tracking). Express shipping is free on orders over $200. We also ship express to the US for $25 (2–3 business days, with tracking).
What guarantees do I get? Our 100% shipping guarantee means that if your order arrives damaged, wrong or incomplete, or never arrives, we replace it or send a new order. Our 80% germination guarantee covers your seeds for 90 days: if fewer than 80% germinate when you follow our instructions, we replace the seeds. We do not offer refunds or store credit. Read the full shipping and germination guarantees.
Legal Disclaimer
Cannabis laws differ by location. Buyers must know and follow all local, provincial/state, and federal laws before buying, holding, germinating, or growing cannabis seeds. These products are for adults 18+ (or as required by law) only where legal. We do not support or promote illegal activity. THC, CBD, flowering time, height, flavor, effects, and yield figures are estimates, not guarantees — actual results depend on the plant, climate, growing setup, and grower experience.
- Availability: 72 In Stock
- Model: Q.C.S.
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