UltraSour – Feminised Seeds
UltraSour from TH Seeds delivers a tangy, citrus-led profile with a distinctly sharp edge, ideal for growers who appreciate bold, sour character in their seeds. This feminised strain is suited to collectors and cultivators seeking consistent structure and a recognisable aroma in their garden.
Well-suited to both experienced and newer growers, UltraSour can fit into a range of indoor or controlled outdoor setups. Its striking scent and flavour make it a popular choice for those who enjoy characterful, sour-leaning varieties.
- Distinct sour, citrus-forward aroma
- Recognisable flavour for characterful collections
- Suitable for indoor or controlled outdoor environments
- Appeals to growers seeking consistent plant structure
- From established breeder TH Seeds
About UltraSour
UltraSour from TH Seeds is a hybrid feminised strain created by crossing MK Ultra with Sour Diesel. This combination brings together two well-known lines, resulting in a variety that is typically grown for its strong THC potential and characteristic hybrid structure.
These cannabis seeds are intended for growers who appreciate classic genetics with a relatively straightforward flowering schedule of around 9 weeks. UltraSour is often chosen by those looking for a plant that can deliver a good overall performance without overly complex cultivation requirements.
Key details
- Strain: UltraSour
- Breeder: TH Seeds
- Genetics: MK Ultra crossed with Sour Diesel
- Type: Hybrid, feminised
- Flowering time: Approximately 9 weeks with good yield potential
Growing notes
- Suited to growers who can provide a stable environment throughout its 9-week flowering phase.
- Plants typically respond well to basic training techniques to help manage height and improve light penetration.
- A consistent feeding schedule and adequate airflow are recommended to support healthy development and bud formation.
- Growers often select these seeds when looking for a hybrid that can adapt to a range of indoor set-ups.
What to expect
UltraSour is generally associated with strong THC levels and a hybrid growth pattern that reflects both its MK Ultra and Sour Diesel heritage. While specific flavour and aroma details are not provided, the lineage suggests a character that many growers find distinctive. These seeds are typically chosen by those who value established genetics and a flowering time that fits comfortably into most indoor schedules.
FAQ
- Q: What type of strain is UltraSour?
A: UltraSour is a hybrid, feminised cannabis strain created from MK Ultra crossed with Sour Diesel. - Q: How long does UltraSour usually take to flower?
A: The flowering time for UltraSour is listed at around 9 weeks under typical indoor conditions. - Q: What kind of yield can I expect from UltraSour?
A: UltraSour is described as having a good yield, meaning it can provide a satisfactory harvest when grown in suitable conditions. - Q: Is UltraSour suitable for less experienced growers?
A: While experience is always helpful, UltraSour is often grown by a range of cultivators, as its hybrid nature and clear flowering time make planning and care more straightforward. - Q: What are the main reasons growers choose UltraSour seeds?
A: Growers typically select UltraSour seeds for its strong THC potential, established MK Ultra x Sour Diesel genetics, and its manageable 9-week flowering period.
| Indoor | Yes |
|---|---|
| Outdoor | Yes |
| Cannabis Genetics | MK Ultra crossed with Sour Diesel |
| Flowering Time | 9 weeks |
| THC | Strong |
| Medical | Yes |
| Height Info | Tall |
| Height notes | between 55 and 59 inches |
| Flavour | Exceptionally tart |
| Yield | Good |
| Yield Notes | 450–500 grams per square metre |
| Mainly Indica | Yes |
| Sativa / Indica ratio | 30% Sativa and 70% Indica |
| Sativa / Indica Type | Hybrid |
| Greenhouse | Yes |
🌱 TH Seeds – Trusted Cannabis Genetics
TH Seeds is a respected seed bank known for producing high-quality cannabis seeds with a focus on potency, flavor, and reliability. Whether you're looking for feminized, autoflowering, or CBD-rich strains, TH Seeds offers a well-rounded catalog that meets the needs of beginners and expert growers alike.
With a commitment to genetic stability and grower satisfaction, TH Seeds ensures consistent germination, resilient plants, and impressive yields across various environments.
🚀 Why Choose TH Seeds?
- 🌎 Diverse and stable cannabis genetics
- 🌿 Great for indoor and outdoor grows
- 🏆 Reputation for quality and performance
- ✅ Excellent germination rates
- 🔑 Trusted by growers worldwide
If you value genetic excellence, fast flowering, and potent results, TH Seeds is a brand you can trust for your next grow.
🌱 Growing Cannabis Seeds – Common Questions
💧 How do I soak cannabis seeds before planting?
Place the seeds in a glass of cold tap water or rainwater and keep the glass in a dark place. Wait between 2 and 10 days until the seeds begin to sprout.
🌿 How deep should I plant germinated seeds?
Plant sprouted seeds about 0.5 cm deep in light, moist soil with the root pointing down. Handle gently to avoid damaging the sprout.
💧 How moist should the soil be for seedlings?
Keep the soil evenly moist but never soaked. Overwatering can drown young seedlings. A small propagator helps maintain humidity.
⚠️ What are common mistakes when growing cannabis seeds?
❌ Soil that’s too wet – the seedling may rot.
❌ Planting too deep – the seedling may not reach the surface.
Always ensure good drainage and shallow planting.
🌱 Do I need special soil or pots for growing?
Use seed-raising or herb soil and pots with drainage holes so excess water can escape. This prevents root rot and promotes healthy growth.
⚠️ Legal Disclaimer (Australia)
Note: Cannabis laws vary across Australia. Read the full details below.
View full legal disclaimer
📝 Disclaimer: The information provided on this website is for educational and informational purposes only. Cannabis laws vary across states and territories in Australia, and it is your responsibility to be aware of and comply with the laws that apply in your location.
In most parts of Australia, the cultivation, possession, or supply of cannabis seeds and plants remains illegal unless specifically authorised under government-approved medical or scientific programs. This website does not promote, encourage, or endorse any illegal activity.
By accessing this site, you confirm that you are over 18 years of age and that any products or information found here will be used in accordance with local laws.
📌 Important Legal Notes:
- New South Wales (NSW), Queensland (QLD), Western Australia (WA), and South Australia (SA): Cannabis cultivation is generally illegal without a medical licence or government exemption.
- Australian Capital Territory (ACT): Adults may grow up to two plants per person (maximum four per household) for personal use, subject to strict rules (plants must not be visible from public areas, and sharing or selling is prohibited).
- Victoria (VIC) & Tasmania (TAS): Cannabis cultivation is illegal without proper authorisation.
- Seed possession: Cannabis seed laws often fall into a legal grey area – possession may not always be illegal, but germination and cultivation typically are unless permitted under a licensed medical program.
This legal notice is provided for transparency, to help customers stay informed about cannabis laws in Australia, and to minimise legal risks.
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