Jack Ultra CBD Seeds – Elite Seeds Fast Sativa · 1:1 THC:CBD Ratio

Jack Ultra CBD by Elite Seeds is a fast-flowering, CBD-rich feminized seed that delivers the legendary uplifting energy of a 90% Sativa without the overwhelming anxiety, giving you total command over your daytime experience.

Many Sativa lovers crave that classic, cerebral energy but worry about the racing heart, paranoia, or feeling completely out of control when the THC hits too hard.

That unpredictable rush can turn a productive afternoon or a relaxed social gathering into a tense, uncomfortable ordeal, making you second-guess whether you should even enjoy your favorite strains when you need to stay grounded.

Jack Ultra CBD solves this by pairing a 10% THC level with 10.5% CBD, acting as a natural anchor that smooths out the peak, allowing you to enjoy a cheerful, stimulating buzz with absolute peace of mind and zero tachycardia.

A balanced Sativa for a worry-free experience

When you choose a 90% Sativa, you usually expect a wild ride, but this strain is bred specifically to keep you in the driver's seat. By integrating high CBD levels into the famous Jack Kanopia lineage, Elite Seeds has created a plant that respects your limits. You get the mental clarity and creative spark you desire, but with a built-in safety net that prevents the high from spiraling into discomfort.

Furthermore, its ultra-fast flowering time of just 7 weeks indoors means you also have fewer worries in the grow room. You won't have to battle the long, drawn-out cycles typical of Sativas, reducing the risk of late-stage pests or mold and giving you a predictable, highly controlled harvest.

Control over the experience

• 1:1 Cannabinoid ratio: The 10.5% CBD perfectly counteracts the 10% THC, ensuring a smooth, manageable psychoactivity.
• No racing heart: Enjoy a cheerful and exciting cerebral effect completely free from tachycardia or paranoia.
• Ultra-fast blooming: A 7-week indoor flowering phase minimizes exposure to environmental risks.
• Predictable outdoor harvests: Ready by mid-September, allowing you to beat the autumn rains and secure your yield.
• Unique terpene profile: A complex citrus aroma with a distinctive meaty touch that is easy to identify and dose.
• Vigorous but manageable: Strong Sativa growth that responds exceptionally well to training techniques.

How to use it responsibly and comfortably

To get the most out of this balanced Sativa, establishing a comfortable routine is key to maximizing its uplifting yet grounding benefits.

1. Set the right mood: Choose a daytime setting or a creative workspace where you want to feel inspired but focused.
2. Start with a low dose: Even with high CBD, take a few initial puffs to gauge the cerebral stimulation before consuming more.
3. Use a vaporizer: Vaping at around 180 °C (356 °F) highlights the unique citrus and meaty terpenes while keeping the vapor discreet.
4. Stay hydrated: Keep a glass of water nearby to prevent dry mouth and maintain your physical comfort.
5. Engage in light activities: Pair the experience with a walk, a hobby, or a social chat to channel the cheerful energy.
6. Store securely: Keep your buds in an airtight, UV-protected glass jar to preserve the delicate 1:1 cannabinoid profile.

Benefits of having everything under control

• Absolute peace of mind: Knowing exactly how the effect will unfold allows you to consume with confidence.
• Sustained productivity: The clear-headed high lets you stay active without feeling bogged down or overwhelmed.
• Fewer growing surprises: The fast-flowering trait means you harvest exactly when planned, avoiding late-season rot.
• Consistent relief: The stable CBD levels provide reliable physical relaxation alongside the mental buzz.
• Better social interactions: You remain talkative and present, making it ideal for sharing with friends.

Technical specifications

• Breeder: Elite Seeds
• Type: Feminized fast version (photoperiod)
• Dominance: 90% Sativa / 10% Indica
• Genetics: Jack Kanopia x CBD-rich Auto
• Flowering Indoor: 7 weeks
• Harvest Outdoor: Mid-September (Northern Hemisphere)
• Yield Indoor: 400–450 g/m² (1.31–1.47 oz/ft²) approx.
• Yield Outdoor: 600–800 g/plant (1.32–1.76 lb/plant) approx.
• Height Indoor: 0.80–1.10 m (2.62–3.61 ft) approx.
• Height Outdoor: 1.50–2.00 m (4.92–6.56 ft) approx.
• Difficulty: Low to Medium
• THC: 10%
• CBD: 10.5%
• Flavor: Citrus with a unique meaty/savory touch
• Effect: Cheerful, exciting, cerebral, no tachycardia

Advice on how to grow the seed

Quick overview: Elite Seeds fast Sativa · 7-week indoor bloom · ideal for Mediterranean climates or controlled tents.

• Thrives in temperatures between 22–26 °C (71.6–78.8 °F).
• Requires a standard 18/6 vegetative and 12/12 flowering cycle.
• Highly resistant to mold due to its fast finish.

Safe start: Germinate at 24 °C (75.2 °F) and transplant into a well-aerated soil mix.

• Keep seedling humidity around 60–70%.
• Use Rootbastic Atami to accelerate early root mass development.
• Avoid overwatering; let the topsoil dry slightly between irrigations.

Directed growth: This 90% Sativa stretches, so apply training techniques early to control the canopy.

• Topping and SCROG work perfectly to maximize light penetration.
• Apply Canna Terra Vega for explosive, green vegetative growth.
• Maintain a progressive EC, starting low and building up.

Efficient flowering: Lower humidity to 40–50% to protect the dense, heavy buds from any moisture issues.

• Add Bio Bloombastic by Atami to boost resin and sweeten the citrus terpenes.
• Ensure strong airflow below the canopy.
• Flush roots 10 days before the mid-September harvest.

Frequently Asked Questions

Will this strain make me feel anxious or paranoid?

No, despite being a 90% Sativa, the 10.5% CBD perfectly balances the 10% THC. This creates a cheerful and stimulating effect that remains completely free from tachycardia or overwhelming anxiety, giving you total control.

How can a Sativa flower in just 7 weeks?

Elite Seeds crossed their elite Jack Kanopia mother with a CBD-rich autoflowering line. This created a "fast version" photoperiod strain that retains the Sativa structure and yield but finishes flowering in record time.

Is the meaty flavor overpowering?

Not at all. The primary aroma is a refreshing, sharp citrus. The "meaty" or savory undertone adds a complex, gourmet depth to the exhale, making it a highly unique and enjoyable terpene profile.

Can I grow this discreetly outdoors?

While it can reach up to 2.00 m (6.56 ft) outdoors, its ultra-fast harvest time in mid-September means you can cut it down before the weather turns bad or before it attracts unwanted attention late in the season.

Personal Experience of Pevgrow’s CEO (Alan)

As someone who loves the creative spark of a good Sativa but occasionally finds the physical rush a bit too intense for a busy workday, Jack Ultra CBD has become a staple in my personal reserve. It gives me that classic Jack Herer clarity and motivation, but the 1:1 ratio acts like a safety harness. I feel completely in control, relaxed, and ready to tackle my tasks without my heart racing.

My favorite trick is to vape this strain at exactly 185 °C (365 °F) during my mid-morning break. At this temperature, the sharp lemon notes hit the palate first, followed by that bizarre but delicious savory, meaty aftertaste. It’s a highly functional, discreet smoke that keeps my mind sharp and my nerves completely calm.