Français Mandarin Light is an original QCS strain: a feminized autoflower, Mandarin × Northern Lights, listed at about 18 to 20% THC, 9 to 11 weeks from seed to harvest and 450 to 550 g/m² indoors, with a sweet-orange flavour. This Mandarin Light strain review covers the QCS page and what growers commonly report about Northern Lights and citrus autoflowers. The QCS page notes that some of its figures are borrowed from comparable lines.
Mandarin Light strain at a glance
| Genetics | Mandarin × Northern Lights |
| Type | Autoflower, feminized hybrid (no indica/sativa split listed) |
| THC | About 18 to 20% |
| CBD | About 0.3 to 2% |
| Seed to harvest | About 9 to 11 weeks indoors |
| Outdoor | Flowers in August |
| Yield | About 450 to 550 g/m² indoors, about 80 to 100 g per plant outdoors |
| Flavour | Sweet orange and citrus, lightly spicy and herbal, soft earthy finish |
| Height | Compact to medium |
| Pack | 5 feminized autoflowering seeds |
| Breeder | Quebec Cannabis Seeds (original QCS genetics) |
What is the Mandarin Light strain?
Mandarin Light is an original QCS strain: Quebec Cannabis Seeds is its original breeder, and these are our own genetics, bred in Quebec by a grower with more than 35 years of experience.
Mandarin Light is a feminized autoflower that Quebec Cannabis Seeds bred by crossing Mandarin with Northern Lights. The pitch is a citrus-forward plant with bright orange terpenes and a smooth, relaxing base, on a fast autoflower schedule.
Northern Lights is one of the most influential indica-leaning names in cannabis history; growers commonly describe it as resinous, compact and easygoing. Mandarin adds the fresh orange top note. Other seed companies sell strains with similar names, and their versions may differ, so the figures here are for the QCS version only.
A note on transparency: the QCS page says that much of its effect, flavour and yield information is drawn from comparisons with other citrus and Northern Lights autoflowers, not from verified data for this exact cross. Read the numbers as sensible estimates.
Is Mandarin Light indica or sativa?
QCS lists Mandarin Light as a hybrid and gives no indica/sativa percentage, so we will not invent one. Given Northern Lights in the cross, the effect description (uplifting and happy with a calm, relaxing finish) points to a plant that starts bright and ends mellow.
To understand the relaxing side better, read what indica does to you.
Mandarin Light smell and flavour
The QCS description is clear: a sweet orange and citrus core, lightly spicy and herbal, with a soft earthy finish. If you like the smell of peeled mandarins with a little herbal depth underneath, this is the target.
Growers commonly say citrus autoflowers make a sweet, noticeable aroma in late flower, so consider odour control indoors. Drying slowly helps keep the orange note bright.
Mandarin Light effects
The QCS page describes an uplifting, happy effect with a calm, relaxing finish, the kind of arc many consumers associate with citrus plants crossed with Northern Lights genetics. The page calls it an end-of-day feel on a fast schedule. Effects vary by person and dose.
Start low and wait before taking more. We make no medical claims.
How strong is Mandarin Light? THC content
QCS lists Mandarin Light at about 18 to 20% THC and about 0.3 to 2% CBD. That is moderate by today’s standards, which suits people who want a flavourful, easy-going plant rather than the strongest option. THC depends on the grow, the dry and the cure.
For something stronger, see our cannabis seeds over 25% THC.
Growing Mandarin Light: flowering time and yield
Because it is an autoflower, Mandarin Light needs no light-cycle change. QCS lists about 9 to 11 weeks from seed to harvest indoors as a typical target, and August for flowering outdoors. Estimated yield is 450 to 550 g/m² indoors and 80 to 100 g per plant outdoors. These are modelled on similar Northern Lights autoflowers, so treat them as best-case ranges.
The plant is compact to medium in height; the page points to a Northern Lights Auto reference of about 90 to 120 cm. It describes the plant as simple to grow, with good bud stacking and strong yield potential, but gives no formal difficulty rating. Common autoflower advice applies: sow into the final pot and avoid heavy stress.
The chart below shows seed to harvest. Results depend on the grower, the method and the weather, and no strain is 100% mold resistant.
What customers report
Mandarin Light has no customer reviews on our site yet, so there is nothing to summarize and we will not invent anything. For now:
- Specs: everything above comes from the QCS product page, including its note about comparable lines.
- Review it: if you grow it, the product page has a review form.
- Guarantees: 80% germination guarantee with replacements, and delivery guaranteed.
Is Mandarin Light right for you?
Choose Mandarin Light if you want a moderate-strength, orange-scented autoflower with a relaxing finish and a respectable yield on a quick schedule.
See more options in our autoflower seeds guide, or look at our Blue God review for a different style.
Why grow Mandarin Light from Quebec Cannabis Seeds?
- Bred in Quebec by the original breeder. Quebec Cannabis Seeds (QCS) is the original breeder of Mandarin Light, one of our own QCS Originals, bred here since 2015 by a grower with 35+ years of experience.
- Guaranteed. 80% germination guarantee with replacements, and delivery guaranteed. If a pack under-performs, email us and we make it right.
- Free seeds with every order, and free shipping on orders over $200.
- Fast, discreet shipping. Ships from Quebec within 24 hours Monday to Friday in plain, unbranded packaging, to Canada (Canada Post) and to the USA (1–2 business days by Express).
- Real support. Every email answered within 24 hours.
Buy Mandarin Light seeds → Canada delivery Shipping to the USA
Mandarin Light: frequently asked questions
What is the Mandarin Light strain?
Mandarin Light is an original QCS feminized autoflower, Mandarin × Northern Lights, with a sweet orange and citrus flavour.
Is Mandarin Light indica or sativa?
QCS lists it as a hybrid with no exact split. The effect is uplifting and happy with a calm, relaxing finish.
How strong is Mandarin Light?
QCS lists about 18 to 20% THC and about 0.3 to 2% CBD.
How long does Mandarin Light take to grow?
About 9 to 11 weeks from seed to harvest indoors, with outdoor flowering in August. These are ranges, not promises.
How much does Mandarin Light yield?
About 450 to 550 g/m² indoors and 80 to 100 g per plant outdoors, estimated from similar Northern Lights autoflowers.
Is Mandarin Light easy to grow?
QCS describes it as simple to grow with good bud stacking, but gives no formal difficulty rating. Sow into the final pot and avoid heavy stress.
What does Mandarin Light taste and smell like?
Sweet orange and citrus, lightly spicy and herbal, with a soft earthy finish.
Where can I buy Mandarin Light seeds in Canada and the USA?
Mandarin Light Autoflower seeds are sold at Quebec Cannabis Seeds in packs of 5 feminized seeds, shipped from Quebec across Canada and to the USA, with germination and delivery guaranteed.
A note on the numbers in this article: harvest dates, flowering times and yields are ranges, not promises. They vary depending on growing conditions: the grower, the method and the season's weather. No strain is 100% mold resistant. How we set these numbers →
About this article
Published by the Quebec Cannabis Seeds team. QCS was founded in 2015 by Trent LaPierre, a Quebec breeder with more than 35 years of hands-on growing experience. Genetics we bred ourselves are described from our own breeding work; when a strain comes from another breeder, we say so and credit them. How we work. Last updated: November 6, 2026.
Sources and further reading: Cannabis Act (Justice Laws, Government of Canada) · Cannabis Regulations (SOR/2018-144). Rules on cannabis seeds differ by province and state; check your local regulations before ordering.
