Royal Medic
Cannabis seeds
by Royal Queen Seeds
Royal Medic Cannabis Seeds by Royal Queen Seeds
Royal Medic is a CBD-rich feminised cannabis seed strain that crosses Critical with Juanita la Lagrimosa — two respected Spanish genetics combined for balanced cannabinoid content and reliable harvests. Royal Queen Seeds bred this one specifically with medicinal users in mind, but the clear-headed, functional effect profile makes it equally appealing if you simply want a smoke that doesn't weld you to the sofa. We've carried Royal Queen Seeds for years, and Royal Medic remains one of their most consistently requested CBD strains. If you're looking to buy Royal Medic cannabis seeds, we stock packs in four sizes so you can match your order to your grow plan.
Pack Sizes
Royal Medic feminised seeds come in packs of 1, 3, 5, or 10. If you're running a single plant to test the genetics, the 1-seed pack gets you started without commitment. Growing a full tent or want to select the best phenotype? The 10-pack gives you room to work with. Most growers we talk to grab the 3-pack — enough for a proper run with a spare if germination goes sideways.
Why Royal Medic Seeds Stand Out for CBD Growers
Royal Medic stands out because it delivers a roughly 1:1 THC-to-CBD ratio from genetics specifically selected for balanced cannabinoid production. Critical — one of the most commercially grown strains in Spain — brings fast flowering times and heavy yields. Juanita la Lagrimosa contributes the high CBD content that gives Royal Medic its medicinal character. The cross produces a plant with that balanced ratio, which is exactly what you want if you're after functional relief rather than a heavy stone.
According to a UK Medical Cannabis Registry outcomes study, cannabinoid receptor CB2 activation has been associated with inhibition of pain responses in clinical settings (PMC12405601). Strains with meaningful CBD content — like Royal Medic — are traditionally sought out by users looking for this kind of balanced cannabinoid profile. The European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) has documented growing consumer interest in CBD-rich cannabis varieties across European markets, reflecting a broader shift toward balanced-cannabinoid products. And according to the National Academies of Sciences review on therapeutic effects of cannabinoids, clinical trials in appetite-related conditions observed that cannabis-based preparations showed measurable effects on food intake patterns (NBK425767).
The honest limitation? If you're chasing sky-high THC numbers for maximum potency, Royal Medic isn't your strain. The CBD content tempers the psychoactive intensity by design. That's the whole point — but it's worth knowing upfront. Compared to something like Royal Queen Seeds' Critical (the pure THC-focused parent), Royal Medic trades raw potency for a more measured, functional experience.
Growing Royal Medic Cannabis Seeds
Royal Medic flowers in approximately 8–9 weeks indoors and produces indica-dominant growth with moderate vertical stretch from the Juanita la Lagrimosa side. The compact branching, sturdy stems, and manageable canopy make it a practical indoor strain. The Juanita la Lagrimosa genetics do push it taller than a pure indica, so expect a plant that stretches a bit more than Critical on its own. Indoor growers should plan for some vertical space or employ topping and LST early in veg.
| Specification | Detail |
|---|---|
| Seed Bank | Royal Queen Seeds |
| Genetics | Critical x Juanita la Lagrimosa |
| Seed Type | Feminised (photoperiod) |
| Dominant Profile | CBD-rich, balanced THC:CBD |
| Plant Structure | Indica-dominant growth, medium-tall height |
| Flavour Profile | Sweet, hazy |
| Available Packs | 1, 3, 5, 10 seeds |
| SKU (1 seed) | CSRQ0306 |
| Growing Parameter | Recommended Range |
|---|---|
| Germination Temperature | 20–25°C |
| Vegetative Light Cycle | 18/6 |
| Flowering Light Cycle | 12/12 |
| Flowering Time | 8–9 weeks |
| Indoor Pot Size | 10–15 litres |
| Outdoor Pot Size | 20+ litres |
| Late-Flower Humidity | Below 50% RH |
| Drying Conditions | 18–20°C, 55–60% RH, 7–10 days |
Flavour and Aroma of Royal Medic
Royal Medic delivers a sweet, hazy flavour with a smooth inhale and a gently floral exhale characteristic of its Juanita la Lagrimosa parentage. There's nothing harsh or acrid about it — the exhale carries that slightly floral sweetness you get from well-cured CBD-rich flower. If you've smoked Juanita la Lagrimosa before, you'll recognise the aromatic lineage immediately. It's the kind of smoke you can sit with for an afternoon without your throat staging a protest.
The aroma during flowering leans sweet and herbal. Not the loudest plant in the tent, which is actually a practical advantage if discretion matters to you. Compared to the dank, skunky punch of a pure Critical, Royal Medic keeps things more refined and understated.
Royal Medic Compared to Other CBD Cannabis Seeds
Royal Medic occupies a specific niche among CBD-rich cannabis seeds: it prioritises yield and speed thanks to the Critical parent while maintaining a genuinely balanced cannabinoid ratio. That combination isn't as common as you'd think. Many CBD strains sacrifice harvest weight for cannabinoid content, or they lean so far toward CBD that the THC component becomes negligible.
Compared to Royal Queen Seeds' Dance World, Royal Medic produces denser, heavier buds with a shorter flowering time. Dance World offers a slightly more uplifting terpene profile, but Royal Medic wins on practical growing metrics. Royal Highness — another Royal Queen Seeds CBD strain — crosses Dance World with Respect for a different terpene expression, though it typically finishes a week or so later than Royal Medic.
Outside the Royal Queen Seeds catalogue, Cannatonic from Resin Seeds is the obvious comparison. Both target the 1:1 ratio space, but Royal Medic's Critical backbone gives it a structural advantage for indoor growers working with limited vertical space.
Who Should Buy Royal Medic Seeds
Royal Medic is best suited for growers who specifically want CBD-rich flower with a balanced cannabinoid profile and don't want to sacrifice yield to get it. Whether for personal medicinal use or simply because you prefer a functional, clear-headed smoke, this strain delivers on that brief consistently. The balanced cannabinoid profile has traditionally been associated with relief from inflammation, stress, and discomfort by users, though individual experiences vary with phenotype and growing conditions.
For growers, Royal Medic is forgiving enough for intermediate cultivators. The indica structure keeps things manageable, and the Critical genetics contribute to decent yields without demanding expert-level attention. If you've successfully grown a photoperiod feminised strain before, you'll handle Royal Medic without drama.
One thing we'd flag: if you're growing outdoors in a cooler northern European climate, the taller phenotypes may need support staking toward the end of flower. The buds get heavy enough to weigh branches down, especially after rain.
Growing Royal Medic indoors? Pair it with a complete grow tent kit for a controlled environment that lets you dial in the conditions CBD-rich strains respond to best. If you're after another CBD-focused strain to compare phenotypes, Royal Queen Seeds' Dance World and Royal Highness both sit in the same medicinal category and make excellent companion grows. Looking for growing accessories? Check out our cannabis cultivation category for nutrients, pH meters, and training clips that help you get the most from these genetics.
How to Grow Royal Medic Feminised Seeds
Royal Medic feminised seeds germinate reliably using standard methods and grow through a straightforward photoperiod cycle with 8–9 weeks of flowering. Follow these steps for the best results:
- Germinate your Royal Medic seeds using the paper towel method or directly in a starter plug. Keep temperatures between 20–25°C and maintain consistent moisture without waterlogging.
- Transplant seedlings into their final containers once the first true leaves appear. A 10–15 litre pot works well for indoor grows; outdoor plants benefit from 20 litres or more.
- Maintain 18/6 light during vegetative growth. Royal Medic's indica structure responds well to topping at the 4th or 5th node to encourage lateral branching and an even canopy.
- Switch to 12/12 light to trigger flowering. Expect the stretch to add 30–50% height in the first two weeks of flower — plan your canopy management accordingly.
- Monitor humidity closely during mid-to-late flower. Dense indica-structured buds are susceptible to mould if relative humidity exceeds 50% during the final weeks.
- Harvest when trichomes show a mix of milky and clear — for CBD-rich strains, harvesting slightly earlier (more clear trichomes) tends to preserve the balanced cannabinoid ratio rather than letting THC degrade to CBN.
- Dry slowly at 18–20°C with 55–60% humidity for 7–10 days, then cure in glass jars for at least 2 weeks. The sweet, hazy flavour profile develops noticeably during a proper cure.
Frequently Asked Questions
What is the CBD-to-THC ratio of Royal Medic?
Royal Medic produces a roughly balanced CBD-to-THC ratio. The Juanita la Lagrimosa parent contributes the high CBD genetics, while Critical adds THC-producing vigour. Exact ratios vary by phenotype and growing conditions, but expect a functional, clear-headed profile rather than a heavy psychoactive effect.
How does Royal Medic compare to Royal Highness from Royal Queen Seeds?
Both are CBD-rich strains from Royal Queen Seeds. Royal Medic leans more toward the indica side in structure and uses Critical as a parent for yield. Royal Highness crosses Dance World with Respect, giving a slightly different terpene profile. Royal Medic tends to be the faster finisher of the two.
Can I grow Royal Medic outdoors in northern Europe?
Yes, though taller phenotypes may need support staking during late flower. The indica structure handles cooler nights reasonably well, but watch humidity levels as autumn approaches — dense buds and damp air are a mould recipe. A Mediterranean or greenhouse environment is the sweet spot.
Is Royal Medic suitable for first-time growers?
It's manageable for anyone who's grown at least one photoperiod strain before. The Critical genetics make it relatively forgiving on feeding and light schedules. Complete beginners might find an autoflowering strain simpler as a first grow, then step up to Royal Medic on round two.
What does Royal Medic taste like when smoked?
Sweet and hazy with a smooth, gentle inhale. There's a subtle floral note inherited from the Juanita la Lagrimosa genetics. It's not a loud, pungent smoke — more refined and easy on the throat, which makes it comfortable for extended sessions.
How long does Royal Medic take to flower?
Royal Medic benefits from Critical's fast-flowering genetics. Expect approximately 8–9 weeks of flowering time indoors under a 12/12 light cycle. Outdoor harvests in the Northern Hemisphere typically fall in late September to early October depending on your latitude.
What yields can I expect from Royal Medic?
The Critical parentage contributes generous yields for a CBD strain. Indoor growers using proper training techniques can expect solid returns per square metre. Outdoor plants in favourable conditions grow tall enough to produce substantial harvests — the indica structure holds up well under the weight of its dense, heavy bud sites.
Where can I buy Royal Medic cannabis seeds?
You can order Royal Medic cannabis seeds directly from Azarius in packs of 1, 3, 5, or 10 feminised seeds. We ship from the Netherlands and have stocked Royal Queen Seeds genetics for years. Get the pack size that matches your grow — most customers go with the 3-pack for a solid first run.
Last updated: April 2026
Related products
You might also like
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.