How to Grow 24K Gold Auto: A Citrus Sativa Autoflower
24K Gold Auto is a fast, easy, sativa-leaning autoflower with a bright, citrus-fruity flavor and a lively head. This 60% sativa pairs a high 18-24% THC with a creative, energetic, happy effect, filling in golden, resinous buds and finishing a whole crop in about 8-10 weeks from seed.
It is the autoflowering version of the famous 24K Gold, a Kosher Kush x Tangie cross, bred with a ruderalis line for speed and simplicity. That heritage gives it a sweet, tangy citrus character and an uplifting, cerebral lift, now with no light-schedule changes to manage, which makes it a great fit for growers who want a classic flavor fast.
Recommended Strains
24k Gold Autoflower
|
THC | 18% - 24% (High) |
|
Type | Autoflowering |
|
Yield | High |
|
Phenotype | 40% Indica / 60% Sativa |
24k Gold
|
|
THC | 19% - 22% (Medium) |
|
|
Type | Feminized |
|
|
Yield | High |
|
|
Phenotype | 60% Indica / 40% Sativa |
Potent but forgiving, it is a beginner-friendly way to grow a tangy sativa. You can see the full genetics and buy 24K Gold Auto seeds on the strain page, and browse more of our autoflowering seeds alongside it.
Strain Profile at a Glance
| THC | High (18-24%) |
|---|---|
| Lineage | 24K Gold x Ruderalis |
| Type | Autoflowering (feminized) |
| Genetics | 40% Indica / 60% Sativa |
| Climate | Temperate |
| Life cycle | 8-10 weeks (seed to harvest) |
| Harvest | All season (multiple runs) |
| Height | 4.92 ft / 1.5 m |
| Yield indoor | 1.15-1.64 oz/ft² (350-500 g/m²) |
| Yield outdoor | 17.64-21.16 oz/plant (500-600 g/plant) |
| Grow difficulty | Beginner-friendly |
| Flavors | Citrus, Fruity, Sweet |
| Effects | Creative, Energetic, Happy |
Promos & Deals
Growing an Autoflower
An autoflower does not need a change in light schedule to bloom. Instead of switching to 12/12 like a photoperiod plant, 24K Gold Auto starts flowering on its own after a few weeks, purely on age, and runs its whole life cycle in about 8-10 weeks from seed to harvest. You can keep it under a long day of around 18-20 hours of light from start to finish.
Because the clock is always ticking, the golden rule is to avoid any check to its growth. Start the seed in its final pot rather than transplanting, since transplant shock costs an auto days it cannot make up. Keep any training gentle, low-stress tucking rather than heavy topping, and feed lightly. Being feminized, every seed grows into a flowering female, so there is no need to sex the plants.
Climate and Where to Grow It
24K Gold Auto is adaptable but does best in a temperate climate with plenty of light and good airflow. At around 1.5 m it is a moderate size for an auto, taller thanks to its sativa side, so give it a little vertical room. Its quick, light-independent cycle makes it forgiving in regions with a short or unpredictable season.
Its biggest advantage outdoors is flexibility: because it flowers on age rather than daylight, you are not tied to one planting window and can run more than one crop across a warm season. Indoors, aim for daytime temperatures around 68-80°F (20-27°C) with nights a little cooler, and keep airflow steady over and under the canopy.
Keep humidity in check to protect the resinous buds: around 55-60% early on, nearer 40% in flower, and down to about 30% by harvest. Steady warmth and plenty of light across the whole short cycle are what let this auto reach its full, tangy potential.
Feeding Schedule (EC Guide)
Autoflowers want a lighter touch than photoperiod plants. Feed gently, follow the plant’s lead, and taper off for the final flush so the citrus-and-sweet flavor comes through clean and the smoke finishes smooth. The ranges below are a guide; with an auto, err on the low side.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4-0.6 | Very light feed, start in the final pot |
| Vegetative growth | 0.8-1.2 | Short veg, raise nitrogen gently |
| Early flower | 1.2-1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4-1.6 | Peak bloom feed while the buds swell |
| Flush | 0.0-0.4 | Plain water for the final 1-2 weeks |
Flowering and Harvest
24K Gold Auto starts flowering on its own a few weeks in and finishes its whole cycle in 8-10 weeks from seed, far faster than a photoperiod plant. As a sativa-leaning auto it fills in resinous, golden-hued buds with the bright, tangy aroma the line is named for. There is no flip to manage, so you simply keep the light steady and let it run.
Yields are strong for an auto: around 350-500 g/m² indoors and a big 500-600 g per plant outdoors in a good season, depending on light, pot size and canopy health. Give it a well-sized pot from the start so the roots never stall, keep the canopy open, and harvest when most trichomes have turned cloudy for the fullest, tangiest expression.
Drying and Curing
Dry whole plants or branches in a dark room at around 60°F (15-18°C) and 55-60% humidity for 7-14 days, until the thin stems snap rather than bend. A slow, even dry stops the resinous buds staying damp in the middle while the outside dries out, which protects both the citrus aroma and the trichome coat.
Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure is what brings the citrus, fruity and sweet notes forward and smooths out the smoke, which is well worth the patience even on a strain this quick to grow.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. 24K Gold Auto is a resinous, trichome-coated plant, so its trim is excellent for making dry sift, bubble hash or rosin. That gives you a bonus run of bright, citrusy concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
24K Gold Auto has a bright, tangy profile: a zesty citrus lift over a sweet, fruity base. It is a fresh, mouth-watering flavor rather than a heavy or gassy one, the tangy character it inherits from its Tangie heritage, and a good cure really brings that citrus-and-sweet taste forward in the jar and on the inhale.
It carries a broad terpene profile. Citral drives the bright, zesty citrus note, myrcene lays down a fruity, earthy base, and caryophyllene adds a warm, peppery spice. Pinene brings a fresh pine edge, farnesene a soft floral sweetness and humulene an earthy depth, with cedrene, borneol, camphene and more filling out the complexity underneath.
Effects and Best Use
With its high 18-24% THC and 60% sativa make-up, 24K Gold Auto delivers a bright, energetic experience. It is reported as creative, energetic and happy: an uplifting, cerebral lift that sparks ideas and conversation, with just enough body from its indica side to keep it comfortable. This is a potent strain, so a little goes a long way, especially if you have a lower tolerance.
That makes it a daytime favourite, good for creative work, getting things done or a sociable afternoon when you want to feel bright and engaged. The mix of a tangy citrus flavor, a fast and simple autoflower grow and an energetic head is exactly why this one stays popular.
Common Problems and Pro Tips
The single most important thing with any autoflower is to never stall its growth, because it cannot make up lost time on a fixed clock. Start the seed directly in its final pot instead of transplanting, keep it in healthy, living soil or a well-mixed medium, and don’t overfeed a fast plant. An auto that gets checked simply stays small and yields less.
Keep training gentle. Because its sativa side makes it stretch a little more than most autos, a light low-stress tuck of the taller branches early on helps keep an even canopy without the setback that heavy topping can cause. Good airflow and sensible humidity through its short flower also keep the resinous buds clean and healthy.
As a pro tip, make its speed work for you: because it finishes in 8-10 weeks and flowers on age, you can run back-to-back crops or stagger plantings for a steady supply. Keep the feed light, run a clean plain-water flush at the end, then follow the trichomes rather than the calendar and cure for three to four weeks for the brightest citrus flavor.
FAQ
Is 24K Gold Auto really an autoflower?
Yes. It is a true autoflower, crossing 24K Gold with a ruderalis line, so it flowers automatically on age rather than on a light change. You do not switch to 12/12, and it runs its whole life cycle in about 8-10 weeks from seed, which makes it fast and simple to grow.
How much THC does 24K Gold Auto have?
It is a high-THC strain, testing at around 18-24%, which makes it genuinely potent. Combined with its 60% sativa genetics, it gives a bright, creative, energetic head with just enough body to stay comfortable. If you have a lower tolerance, start with a small amount.
How long does 24K Gold Auto take to grow?
About 8-10 weeks from seed to harvest, since it flowers automatically on age. That short cycle is its biggest draw: in a warm climate you can run more than one crop a year, and indoors you can grow back-to-back since it does not depend on a light-schedule change.
What does 24K Gold Auto taste like?
It has a bright, tangy flavor: a zesty citrus lift over a sweet, fruity base, the tangy character it inherits from its Tangie heritage. Citral drives the citrus note and myrcene the fruity base, while caryophyllene adds a peppery spice and pinene a fresh, clean pine edge.
Is 24K Gold Auto good for beginners?
Yes. It is beginner-friendly: fast, forgiving and feminized, so there is no need to sex the plants and no light-schedule changes to manage. The main rule is to avoid stalling its growth, so start it in its final pot, keep training gentle and feed it lightly through its short cycle.
How much does 24K Gold Auto yield?
Yields are strong for an auto: around 350-500 g/m² indoors and a big 500-600 g per plant outdoors in a good season. Results depend on light, pot size and canopy health, so give it a good-sized pot from the start, plenty of light and an open canopy.
