Romulan from Pyramid Seeds — a feminized 75% indica with a germination guarantee. 24% THC, named after the legendary alien race from the Star Trek saga: violet-red flower colours at maturity, a deep pine-spice aroma and a strong relaxing effect — a strain that clearly stands apart from the crowd both visually and aromatically. (Also searched as the "Romulan strain", "Romulan weed", "Romulan cannabis" or "Romulan Kush".)
Key specifications
| Genetics | Romulan (selected indica line) |
| Genotype | 75% indica / 25% sativa |
| Seed type | Photoperiod, feminized |
| THC | 24% |
| CBD | Low |
| Flowering indoor (LED) | 43–53 days |
| Flowering indoor (HPS) | 50–60 days |
| Yield indoor | 450 g/m² | up to 750–850 g/1.5 m² (720 W LED) |
| Yield outdoor | 750 g – 1 kg/plant |
| Outdoor harvest | September (northern hemisphere) |
| Special feature | Unusual colour — violet-red tones at maturity |
| Dominant terpenes | Pinene, myrcene, caryophyllene |
| Aroma | Pine, sweet, spicy |
| Effects | Euphoria, deep relaxation, calming |
| Difficulty | Moderate |
Romulan strain: origin and name
The Romulan strain is a North American indica line with a long history — originating in Canada and named after the Romulans, the legendary alien race from the Star Trek saga. The name says it all: like the Romulans of the science-fiction universe, this strain is known for its strength, intensity and unmistakable character.
Pyramid Seeds has feminized and stabilised this classic North American genetic — keeping strain purity, a consistent terpene profile and the characteristic violet-red flower colours that make Romulan one of the most visually exceptional indica strains in the catalogue. Romulan Pyramid Seeds — sometimes called Purple Romulan for its colouring — is the original feminized version of this Star Trek namesake.
Violet-red flowers: why Romulan gets its colour
The unusual violet and reddish tones come from the activation of anthocyanins — colour pigments in the plant that respond to cooler temperatures. In late flowering, night temperatures below 18–20 °C cause the flowers to develop their cosmic shades.
This colour development is purely visual — it affects neither THC content nor effect, but it boosts bag appeal and makes a Romulan harvest a real showpiece.
Romulan strain effects
The Romulan effect is strongly indica-led — powerful, long-lasting and sedating:
- Euphoria — an elevated mood and cerebral lift at the start
- Deep physical relaxation — muscles relax completely
- Stress relief — mental tension and anxiety dissolve
- Calming — promotes inner calm and serenity
- Evening and night use — sedating and sleep-promoting at higher doses
Aroma and terpene profile
Romulan has a classic North American indica profile: dominant pine resin (pinene), sweet accents and spicy notes with a warm, long aftertaste. Dense, resin-rich flowers with an intense, long-lasting aroma.
| Terpene | Typical impressions | Contribution to the profile |
|---|
| Pinene | Fresh, needle-like, pine | The main carrier of the North American pine profile — typical of classic Romulan lines |
| Myrcene | Earthy, musky, sweet | Supports the sedating body effect — the earthy base of the profile |
| Caryophyllene | Spicy, peppery, warm | Gives the profile spicy warmth and depth |
Growing — indoor and outdoor
Indoor growing
Flowering time 43–53 days under LED (HPS: 50–60 days). Yield: 450 g/m² standard, up to 750–850 g/1.5 m² with a 720 W LED. LST and SCROG recommended. For violet-red colouring: lower the night temperature to 16–18 °C in the final flowering week. Good air circulation matters.
Outdoor growing
Harvest in September in the northern hemisphere. 750 g – 1 kg per plant. Cool autumn nights naturally encourage the violet-red colouring — no extra intervention needed.
Romulan vs Mendocino Purple Kush: a direct comparison
| Romulan | Mendocino Purple Kush |
|---|
| Genotype | 75% indica | 60% indica |
| THC | 24% | 20–23% |
| Colour | Violet-red | Deep violet |
| Aroma | Pine, sweet, spicy | Berries, grape, earthy |
| Flowering (LED) | 43–53 days | 53–58 days |
| Yield (LED) | 750–850 g/1.5 m² | up to 900 g/1.5 m² |
| Best for | Pine indica, violet-red, Star Trek | Fruity Kush profile, intense purple |
Romulan is also part of
Power Mix American — 12 feminized seeds from 4 American genetics in one pack.
A Star Trek strain with cosmic colours. Romulan delivers 24% THC, 75% indica and striking violet-red buds. Explore more.
Romulan — frequently asked questions
What is the Romulan strain?Romulan is a feminized 75% indica by Pyramid Seeds — named after the Romulans from Star Trek. Known for violet-red flower colours, a deep pine-spice aroma, 24% THC and a strong relaxing effect.
Why is this strain called Romulan?Romulan is named after the Romulans — an alien race from the Star Trek saga, known for their strength and intensity. The name reflects the strain's character: powerful, unmistakable, with a touch of science fiction.
Is the Romulan strain indica or sativa?75% indica, 25% sativa — clearly indica-dominant. Strong physical relaxation with an initial euphoric component. Ideal for the evening.
What are the Romulan strain genetics and lineage?Romulan is a selected, stabilised North American indica line that originated in Canada — feminized by Pyramid Seeds while keeping its strain purity. Its classic pine-spice profile and dense, resinous flowers are the hallmark of the Romulan lineage.
How does Romulan get its violet-red colours?The colours come from anthocyanin activation at cooler temperatures. Night temperatures below 18–20 °C in late flowering encourage the violet-red tones. Outdoors in the northern hemisphere this happens naturally through cool autumn nights.
How long does Romulan flower?43–53 days under LED, 50–60 days under HPS. Outdoors in the northern hemisphere, harvest in September.
What is Romulan Kush?Romulan Kush is a common alternative name for Romulan — it refers to the strain's Kush-like qualities: indica dominance, dense resinous flowers and the classic pine-spice profile of North American indica lines.
Where can I buy Romulan seeds?Original Romulan seeds with a germination guarantee are available directly from Pyramid Seeds — fast, discreet worldwide shipping.
Pyramid Seeds — over 20 years of experience in cannabis breeding. Direct shipping from Barcelona, discreet and fast worldwide.
