Roswell Code
Cannabis seeds
by Anesia Seeds
Roswell Code Cannabis Seeds by Anesia Seeds
Roswell Code is a feminised indica-dominant cannabis seed strain that delivers up to 39% THC — one of the highest concentrations you'll find in any commercially available genetics. Bred by Anesia Seeds from Roswell 47 and Chimera Cut parent lines, this variety produces towering plants coated in sticky resin, with a flowering time of just 7–8 weeks indoors. If you want sheer potency backed by genuinely impressive yields, this is the one to watch.
What You Get
Roswell Code comes in a single pack of 5 feminised seeds. No autoflower variant, no regular seeds — just five photoperiod feminised beans ready to go. Every seed carries the Roswell 47 x Chimera Cut genetics, so you're getting consistent phenotypes across the pack.
Roswell Code Specifications
| Spec | Value |
|---|---|
| Seed Bank | Anesia Seeds |
| Genetics | Roswell 47 x Chimera Cut |
| Type | Feminised (Photoperiod) |
| Dominance | Indica-dominant |
| THC Content | Up to 39% |
| Flowering Time (Indoor) | 7–8 weeks |
| Harvest Time (Outdoor) | Mid-September |
| Height (Indoor) | 140–200cm |
| Height (Outdoor) | 200–300cm |
| Yield (Indoor) | 600–650g/m2 |
| Yield (Outdoor) | 800–1,100g/plant |
| Seeds per Pack | 5 |
Growing indoors? Roswell Code's 140–200cm untrained height means you'll want a tent with proper vertical clearance — the Dark Box 120x120x200 gives you the room and the light reflection to push those yields toward the 650g/m2 mark. Pair it with a ScrOG net to keep the canopy flat and every bud site lit. If you're starting from scratch, grab a complete grow kit and save yourself the headache of sourcing ventilation and lighting separately.
Why Roswell Code Cannabis Seeds Deserve Your Attention
We've seen a lot of strains claim sky-high THC percentages over the years. Most of them land somewhere between marketing optimism and outright fantasy. Anesia Seeds, though, have built a reputation for backing up their numbers — and Roswell Code at up to 39% THC is their flagship statement. That kind of potency means even experienced users should approach with a bit of respect. A single hit goes a long way.
What makes Roswell Code genuinely interesting beyond the headline number is the plant itself. This is a robust, vigorous grower that doesn't need babysitting. It responds brilliantly to low-stress training (LST) and ScrOG setups, which you'll want to use because left to its own devices, it'll stretch to 200cm indoors — that's a problem in most tents. Train it, keep the canopy even, and you're rewarded with a forest of frosty bud sites all getting equal light. The 7–8 week flowering time is quick for a plant that yields 600–650g/m2 indoors. Outside, the numbers get properly ridiculous: 800–1,100g per plant by mid-September.
The honest limitation? This strain is not subtle. The deeply relaxing body effects make it a night-time-only affair for most people. If you're after something functional for daytime use, look at a sativa-dominant variety like Anesia Seeds' other offerings instead. Roswell Code is the one you reach for when the day is done and you want to properly switch off.
Growing Roswell Code Seeds — What to Expect
Roswell Code is forgiving enough for less experienced growers but rewards those who put in the extra effort. The genetics are stable — you're not going to get wildly different phenotypes across a pack of five. Here's a straightforward approach that'll get the best out of these seeds.
- Germinate your Roswell Code seeds using the paper towel method or directly in a starter plug. Taproots typically emerge within 24–72 hours at around 22–25°C.
- Transplant seedlings into their final containers once they've developed 2–3 sets of true leaves. Use at least 15-litre pots indoors — these plants get big and need the root space.
- Begin LST early, around the 4th or 5th node. Gently bend the main stem to break apical dominance and encourage lateral branching. This is critical for indoor grows where vertical space is limited to 200cm or less.
- For ScrOG setups, install your net at roughly 40–50cm above the pot rim. Tuck branches under the screen as they grow through, aiming for an even canopy before flipping to 12/12.
- Switch to a 12/12 light cycle to trigger flowering. Roswell Code needs 7–8 weeks in flower — watch the trichomes rather than counting days. You're looking for mostly cloudy with a few amber heads for that heavy body effect.
- Outdoor growers should plant after the last frost and expect harvest around mid-September. Give each plant at least 2 metres of lateral space — at 200–300cm tall, these are proper trees.
- Flush for the final 1–2 weeks before harvest to clean up the flavour profile. The complex terpene mix in Roswell Code — lemon, aged wine, red fruit, spice — comes through much better in a properly flushed and slow-dried bud.
Roswell Code Aroma and Flavour Profile
This is where Roswell Code gets genuinely fun. Crack open a cured jar and the first thing that hits you is a sharp, bright lemon — not the synthetic citrus cleaner kind, more like fresh zest straight off the fruit. Give it a moment and the mid-notes come through: aged wine and red fruit, almost like a good Rioja that's been breathing for an hour. The finish is warm and spicy, grounding the whole profile. In the grinder, the resin sticks to your fingers immediately — these buds are properly coated. The smoke itself is rich and smooth, no harshness, which is surprising given the potency. We'd put this terpene profile up against strains twice its price.
Compared to something like Wedding Cake or Gorilla Glue — both popular heavy-hitters — Roswell Code has a more layered, wine-like complexity rather than the straightforward sweet-and-diesel punch you get from those varieties. If you appreciate terpene diversity as much as raw THC numbers, Roswell Code is the better pick.
Frequently Asked Questions
Is 39% THC realistic for Roswell Code?
Anesia Seeds report up to 39% THC under optimal conditions. Your actual results depend on light intensity, nutrients, and environment. Most home growers land somewhere in the 25–35% range, which is still exceptionally potent. The genetics are there — it's the growing conditions that determine how close you get to the ceiling.
How tall does Roswell Code grow indoors?
Without training, expect 140–200cm indoors. That's too tall for most standard 160cm tents. Use LST or a ScrOG net to keep the canopy below 120cm and you'll have no issues — plus you'll get better yields from the improved light distribution.
What is the best grow setup for Roswell Code seeds?
A ScrOG setup in a 120x120cm tent with strong LED lighting is the sweet spot. The strain responds very well to screen of green — it naturally wants to branch out, so you're working with the plant's tendencies rather than against them. Aim for 600W+ equivalent LED for the best yields.
When should I harvest Roswell Code outdoors?
Mid-September in most European climates. The 7–8 week flowering window means outdoor plants triggered by natural light reduction in late July will be ready before autumn rains become a mould risk. Check trichomes with a loupe from early September onward.
Is Roswell Code suitable for beginner growers?
The genetics are robust and forgiving, so yes — with one caveat. You need to manage the height. If you skip training and let it grow freely in a small tent, you'll run out of headroom fast. Learn basic LST before popping these seeds and you'll be fine.
What are the parent strains of Roswell Code?
Roswell Code is a cross between Roswell 47 and Chimera Cut, both developed by Anesia Seeds. The combination brings together heavy indica effects with vigorous growth patterns and a complex terpene profile featuring lemon, wine, red fruit, and spice notes.
How much does Roswell Code yield per plant outdoors?
Outdoor yields range from 800 to 1,100 grams per plant. That's serious weight — you'll need sturdy stakes or a trellis to support the branches in late flower. Feed generously during the stretch phase and don't skimp on phosphorus and potassium once buds start forming.
Last updated: April 2026
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Medical disclaimer. This content is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before use of any substance.