Ghost Train Haze Strain Review: THC, Effects, Flowering Time & Yield

Ghost Train Haze is an original QCS strain: an 80% sativa, feminized cross of Ghost OG and Nevil’s Wreck, listed at 27% THC and 9 to 11 weeks of flowering. This Ghost Train Haze strain review covers our specs, five 5-star customer reviews, and what growers and consumers commonly report about this famous haze-style cross.

Ghost Train Haze strain at a glance

What is the Ghost Train Haze strain?

Ghost Train Haze is an original QCS strain: Quebec Cannabis Seeds is its original breeder, and these are our own genetics bred in Quebec.

Ghost Train Haze is QCS’s take on one of the best-loved haze-style crosses. We bred it from Ghost OG and Nevil’s Wreck into a feminized, photoperiod plant that is about 80% sativa. The pitch is simple: a strong, uplifting, cerebral high, with resin and a fuel-like edge from the OG side and long colas, citrus and a racing character from the Wreck side.

The name is shared by many seed companies, and the lineage behind it varies from one version to the next, so other versions may differ from this one. The numbers on this page are for the QCS version only. Elsewhere on the web the strain is often discussed as a Ghost OG cross with a Nevil’s Wreck-style haze, which matches what our product page says.

Is Ghost Train Haze indica or sativa?

QCS lists Ghost Train Haze at 80% sativa and 20% indica, so it is clearly on the sativa side. In the garden that usually means a plant that stretches in flower, builds long, foxtailing colas and takes longer to finish than an indica. The product page describes medium plant height, but advises early flipping, topping once and using a net to manage the stretch.

Sativa-dominant plants often feel more energetic than indica-dominant ones, but that is a generalisation. To compare, read our guide to what indica does to you.

Smell and flavour: citrus, earthy, diesel and floral

QCS lists the taste as citrus, earthy, diesel and floral. The product page splits the credit: Ghost OG brings a sour, fuel-like edge and resin, while Nevil’s Wreck brings the citrus and the long, haze-like colas. That sour-citrus-and-gas combination is what many consumers associate with this family.

Growers commonly report that haze-type plants build a pungent aroma toward the end of their long flower, and a patient, slower dry and cure usually pays off by softening the sharper edges while keeping the citrus. Foxtailing under strong light is normal for this type, and is mostly a look rather than a problem.

Ghost Train Haze effects

QCS describes the high as uplifting and cerebral. Consumers describing Ghost Train Haze-style flower often mention a fast, energetic, mentally busy start that many people use for daytime activities, creative work or social time. At 27% THC, though, it can feel racy for some, particularly newcomers.

Effects vary with dose, tolerance and setting, and dry mouth and dry eyes are commonly reported with high-THC flower. Start low and go slow, and avoid taking a big dose late in the evening if sativa-leaning flower tends to keep you up.

How strong is Ghost Train Haze? THC content

QCS lists Ghost Train Haze at 27% THC. That is high and belongs with the plants in our THC over 25% seeds category. It is a strong plant for experienced consumers and should be treated with respect by newcomers. The product page does not list a CBD figure.

The real figure in your jar depends on genetics, light, feeding, drying and curing. Haze-type plants in particular benefit from a long, patient finish.

Growing Ghost Train Haze: flowering time and yield

Ghost Train Haze needs a 12/12 light cycle to flower. Indoors expect 9 to 11 weeks of flowering and up to 350 g/m². Outdoors it finishes in late October with up to 450 g per plant. QCS notes these are ranges, not guarantees. Because the harvest is late, the page says it suits areas with a mild fall or a greenhouse, and that indoor growing is easier for most Canadian growers.

Growing tips

The page lists the same advice three times: flip early, top once and use a net. A sativa-dominant plant can double or more in height after the switch, so start flowering before it gets too tall and spread the branches with low-stress training. Strong light may cause foxtailing, which is mostly cosmetic.

Be patient with the finish, since a long flowering time means checking trichomes rather than the calendar. For general method, see our feminized seeds page.

What customers report

Ghost Train Haze has five reviews on our site, all five-star, from 2023 to 2025. We found no complaints, so we will not invent one.

• Repeat buyers: one grower calls it one of their favourites after a previous grow, and another bought five more seeds right after harvest so they would never be without it.
• Strong buzz: two reviews from one grower praise the buzz and the crystal-covered buds.
• Foxtails: the same grower noticed a lot of foxtailing on hydro buds, in line with the product page.
• Ease: one reviewer found it relatively easy to grow for a strong sativa.
• Reliability: one customer says every seed they have bought from QCS has sprouted.

Is Ghost Train Haze right for you?

Choose Ghost Train Haze if you love a sour, fuel-and-citrus haze, are comfortable with 27% THC and have room and patience for a tall, long-flowering plant. If you want a quicker finish, see our fast version seeds, or for something with a calmer effect, our feminized seeds range has plenty of choices.

Ghost Train Haze: frequently asked questions

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 →

View Ghost Train Haze seeds →