Royal Medic is a sativa-dominant, CBD-rich cannabis strain bred from Critical and Juanita la Lagrimosa, known for a clear, mild high with THC and CBD in roughly equal amounts. It was released as a feminized seed by Royal Queen Seeds around 2013, built from two Spanish-bred parents. The breeder lists THC at up to about 10%, with CBD in a similar range, so most people feel far less intoxicated than with a typical modern strain.
Royal Medic Strain at a Glance
| Type | Sativa-dominant hybrid |
|---|---|
| Lineage | Critical × Juanita la Lagrimosa |
| Breeder / origin | Royal Queen Seeds (Netherlands), from two Spanish-bred parents |
| THC | Up to about 10% (typical lab range) |
| CBD | 5–12% |
| Aroma and flavor | fruity, earthy, herbal, pine, citrus, sweet fruit, earth, hash |
| Reported effects | clear-headed, calm, mildly uplifted, relaxed body |
| Best for | daytime use, people sensitive to THC, low-intoxication sessions |
| Flowering time | 8–9 weeks (60–65 days per breeder) |
Where Royal Medic Comes From
Royal Medic comes from Royal Queen Seeds, the Dutch seed company, which released it as part of its medical, CBD-rich line in the early 2010s. The Weed Street Journal first covered it in March 2013, when it was still new to the catalog. The breeder sells it as a feminized photoperiod seed.
The cross pairs Critical, a fast, heavy-yielding Afghan x Skunk type descended from Critical Mass, with Juanita la Lagrimosa, a Spanish strain known for high CBD. SeedFinder traces Juanita la Lagrimosa to Reggae Seeds and lists it as Reina Madre x NYC Diesel. Most of Royal Medic’s character comes from the Juanita side: the CBD, the fruity aroma and the sativa lean. Critical adds a sturdier, more compact frame and better yields.
Royal Medic arrived in the same wave as other balanced Spanish and Dutch CBD lines such as Cannatonic, when breeders were racing to supply patients who wanted cannabis without a heavy high. It never became a dispensary staple in the U.S. and is mostly known through seed sales and home grows.
Royal Medic Effects: What It Feels Like
With THC and CBD close to a 1:1 ratio, Royal Medic produces a light, clear-headed effect. The breeder calls it clear and fast-thinking, and grower reports describe a calm mood and gentle physical ease rather than a strong head rush. Most people can stay functional on it, which is why it is usually framed as a daytime strain.
CBD tends to soften THC’s sharper edges, so anxious or racing-thought reactions are less common than with high-THC sativas, though they are still possible with a large dose. Effects are subtle enough that new users sometimes take more than they need; start low and wait 10 to 15 minutes after smoking or vaping before deciding on more. Lab numbers vary from plant to plant, so check the label when buying flower.
Royal Medic Terpenes, Aroma and Flavor
Royal Medic is usually described as fruity and hazy, a profile inherited from Juanita la Lagrimosa. The breeder lists citrus, fruit, herbal, earthy and pine notes. Smoke is typically sweet on the inhale with an earthy, slightly hashy finish from the Critical side.
No published lab terpene profile could be found for Royal Medic, so any claims about its dominant terpenes are guesses. A lab label on a specific batch is the only reliable way to know.
Side Effects and How to Use Royal Medic
Because THC is modest and CBD is high, side effects are usually mild: dry mouth and dry eyes are the most common. Larger doses can make some people drowsy or lightheaded. CBD can interact with some prescription drugs, including blood thinners and certain seizure medications, so anyone on regular medication should check with a doctor or pharmacist first.
How strong Royal Medic feels depends on the batch, your tolerance and how you consume it. Start low, go slow, and read our guide to dosing cannabis.
Do People Use Royal Medic for Medical Reasons?
Royal Medic was bred and marketed for medical users. Seed-bank listings and user reviews say people reach for it for pain, inflammation, muscle spasms, stress and low mood, mostly because it delivers CBD with only a mild high. These are user reports and breeder claims, not clinical findings, and no study has tested this strain.
These are user reports, not clinical findings. For what research actually supports, see our cannabis health and research section, and talk to your doctor before using cannabis for a health condition.
Growing Royal Medic
- Difficulty: Moderate
- Flowering: 8–9 weeks (60–65 days per breeder)
- Yield: Up to about 550 g/m² indoors; roughly 475–525 g per plant outdoors (breeder figures)
- Height: About 3–4 ft indoors, 4–5 ft outdoors
- Environment: Indoors or outdoors in long, warm summers; outdoor harvest early October
Royal Queen Seeds sells Royal Medic as a feminized photoperiod seed and gives flowering at about 60 to 65 days, though its own product text also mentions 9 to 10 weeks. Plants stay medium in height, roughly 3 to 4 feet indoors, and respond to low-stress training. Outdoors, the breeder recommends long summers and lists an early October finish, which can be tight in western Washington and Oregon, where autumn rain arrives and raises the risk of bud rot in dense colas. Greenhouse growing or an indoor finish is safer in the wet Pacific Northwest. Oregon adults may grow 4 plants per household; in Washington, home growing is limited to registered medical patients.
Home-grow rules depend on the state: adults can grow at home in states such as California (six plants per residence), Michigan (12 per residence) and Oregon (four per household), while Washington and Illinois allow home growing only for registered medical patients. Check your state in our cannabis laws by state guide before you plant anything.
Strains Like Royal Medic
- Cannatonic: another Spanish-bred CBD-rich strain with a near 1:1 ratio
- Harlequin: sativa-leaning CBD strain with a clear, functional effect
- ACDC: for people who want even more CBD and less THC
- Critical Mass: relative of the Critical parent, but high in THC
- Charlotte’s Web: very high CBD, almost no intoxication
Browse more sativa strains, the full strain directory, or our guide to cannabis strains.
More Sativa Strains to Explore
Ruby Violet · Sensi Wizard · Silver Haze · Ridge Berry · Red Congolese · Queso Perro · All sativa strains
Where to Buy Royal Medic
Dispensary menus change every week, and Royal Medic may be sold under its own name, as a cross or as a pre-roll or vape. The fastest way to find it is to check store menus online before you go. In Chicago, browse Chicago dispensaries and check the menus at stores like Dr Greenthumb’s Chicago and Verilife – Chicago River North. In Tacoma, browse Tacoma dispensaries and check the menus at stores like Commencement Bay Cannabis Red and Zips Cannabis on 6th Ave. You can also browse licensed dispensaries in every state we cover. Adults 21 and older can buy with a valid photo ID; see cannabis laws by state for purchase limits.
Royal Medic FAQ
Is Royal Medic indica or sativa?
Royal Medic is a sativa-dominant hybrid; the breeder lists it as about 75% sativa and 25% indica. The Critical parent gives the plant a more compact, indica-like build.
What is Royal Medic a cross of?
Royal Medic is a cross of Critical and Juanita la Lagrimosa, a Spanish CBD-rich strain. Royal Queen Seeds bred and sells it.
How much CBD does Royal Medic have?
Royal Queen Seeds describes CBD as high and roughly equal to THC, around 10%. Its own customer answers also mention 5 to 8% CBD, and some lab-tested batches reported by users run higher, so the label on a given batch matters.
Does Royal Medic get you high?
Yes, but mildly. THC tops out around 10% and the CBD softens it, so most people feel clear-headed and calm rather than strongly high.
How long does Royal Medic take to flower?
About 8 to 9 weeks indoors, with the breeder listing 60 to 65 days. Outdoors it finishes in early October in the Northern Hemisphere.
For adults 21+ in legal states. Strain information reflects breeder descriptions, lab data and user reports; effects vary by person and batch. Not medical advice.
