How to Grow Lemon Star
Lemon Star is a 60% indica-dominant feminized strain, a cross of Lemon Tree and Sensi Star. It carries a THC level of 18 to 22%, placing it in the medium range, and delivers a euphoric, relaxed effect over a zesty lemon, citrus, diesel and skunk flavor. This guide walks you through the whole grow, from germinating the seeds to the final cure.
It grows tall for an indica, reaching up to around 2 m, and finishes flowering in about 9 weeks with a reliable medium yield. Its easy, forgiving nature makes it a friendly pick for first-time growers, as long as you plan for its height.
Recommended Strains
Lemon Star
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THC | 18% - 22% (Medium) |
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Type | Feminized |
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Yield | Medium |
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Phenotype | 60% Indica / 40% Sativa |
Lemon Diesel
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THC | 15% - 23% (Medium) |
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Type | Feminized |
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Yield | Medium |
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Phenotype | 45% Indica / 55% Sativa |
Lemon Star at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this tall, citrus-forward indica, taken straight from the strain’s grow data.
| Seed type | Feminized (photoperiod) |
|---|---|
| Genetics | Lemon Tree x Sensi Star |
| Phenotype | 60% Indica / 40% Sativa |
| THC | 18–22% (medium) |
| Flowering time | 9 weeks |
| Outdoor harvest | October |
| Height | up to 6.56 ft (2 m) |
| Yield indoor | 1.31–1.47 oz/ft² |
| Yield outdoor | 15.87–21.16 oz/plant |
| Climate | Temperate |
| Flavors | Citrus, Diesel, Lemon, Skunk |
| Effects | Euphoric, Relaxed |
| Difficulty | Beginner-friendly |
These are feminized seeds, so every plant flowers female and you skip culling males. Its 60% indica lean places it among the indica seeds, and its pungent, skunky side keeps it among the skunk strains. If you are still weighing your options, you can compare it with the rest of the catalog and find your strain.
Promos & Deals
How to Germinate Lemon Star Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Lemon Star seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in two to five days.
Once the taproot is a few millimeters long, move each seed root-down about 1 cm deep into a small pot of light, airy medium. Keep it lightly moist rather than soaked, hold humidity around 65 to 70%, and give soft light while the first true leaves open. Because it is a photoperiod plant, you have the full veg window to build a strong root system before you flip it.
Starter tips
- Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
- Keep seedlings warm and humid, but never waterlogged.
- Hold off on nutrients until the second set of serrated leaves appears.
Growing Lemon Star in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Lemon Star on 18 hours of light a day for as long as you want it to grow, aim for day temperatures of 68 to 79°F, and hold humidity around 50 to 60%. Despite its indica lean, it is a tall, vigorous grower thanks to its sativa side, reaching up to about 2 m.
This is the stage to get its height under control. Topping early and using low-stress training to spread the branches keeps the canopy even, tames that 2 m stretch, and improves light to the lower buds. For indoor tents especially, start training early so the plant does not outgrow your space.
Its height and October finish shape where it does best:
- Outdoor gardens: with room to reach its full 2 m, it thrives in open ground or large containers through an October harvest.
- Southern California and the Southwest: the long, warm season suits its tall frame and 9 week bloom.
- Indoor tents: plan for the stretch, keep it on a shorter veg, and use LST or a screen to manage height.
Flowering and Buds of Lemon Star
Indoors, flip Lemon Star to a 12/12 light cycle to trigger flowering, which runs about 9 weeks. Outdoors it ripens through October. Expect a noticeable stretch after the flip given its height, then dense, resinous buds filling in along the tall frame.
Through bloom, drop humidity to 40 to 45% and keep air moving so the flowers stay clean. The buds build a loud, zesty lemon and citrus aroma with a diesel and skunk edge, the pungent signature of its Lemon Tree and Sensi Star parents.
At 18 to 22% THC it sits in the medium range, giving a euphoric, relaxed effect that lifts the mood before easing into the body.
Common Problems and Pro Tips
Lemon Star is beginner-friendly, but its height and pungent nose point to a few things worth watching.
- Manage the height: at up to 2 m it can outgrow an indoor tent, so top early, use LST or a screen, and keep veg short indoors.
- Watch the smell: its lemon-skunk-diesel nose is loud in flower, so a carbon filter is almost essential indoors.
- Keep airflow up: the dense buds benefit from good air movement and humidity below 45% late in flower.
Expert tip: height is the one thing to respect with Lemon Star. Decide your final size during veg, train early rather than late, and give it vertical room, and its tall, resinous frame will reward you with a loud, citrus-skunk harvest.
Aroma, Flavor and Effects
The nose is loud and layered: a sharp lemon-citrus top note with a pungent diesel and skunk base underneath. It leans zesty and funky rather than sweet, a classic skunky citrus profile that fills a room fast.
The flavor follows the nose, zesty lemon and citrus over a diesel, skunky finish. On the effect side it is euphoric and relaxed, a bright lift that settles into an easy body calm. Because THC runs a solid 18 to 22%, it is satisfying without being overwhelming.
Dominant terpenes
Lemon Star carries a bright, punchy terpene profile built on five main players. Limonene drives the sharp lemon-citrus aroma, Myrcene lays down an earthy, slightly fruity base, Caryophyllene adds a warm, peppery, diesel-like spice, Linalool a soft floral note, and Pinene a clean pine edge. Together they shape its loud, citrus-and-skunk character.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. Lemon Star is a steady feeder, so read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.
| Stage | EC |
|---|---|
| Seedling | 0.4–0.6 |
| Growth | 0.8–1.2 |
| Early flower | 1.2–1.4 |
| Full flower | 1.4–1.6 |
| Flush | 0.0–0.4 |
Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.
What to Do With Your Trim: Extracts and Hash
Lemon Star puts down a good coat of resin, so its trim is worth keeping rather than tossing. The sugar leaves you take off while manicuring hold trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the zesty lemon-skunk flavor intact, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.
Harvesting, Drying and Curing Lemon Star
Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. Indoors this lands about 9 weeks after the flip, and outdoors the plants are ready through October.
After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the lemon, citrus, diesel and skunk aromas that define this strain. When the small stems snap instead of bending, move the buds into jars.
Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the zesty lemon and pungent skunk really come forward, and it is the step most first-time growers rush.
Frequently Asked Questions
Is Lemon Star easy to grow for beginners?
Yes, Lemon Star is beginner-friendly, with one caveat: it grows tall, up to about 2 m. It is otherwise forgiving and finishes in about 9 weeks. Plan for its height with early topping and low-stress training, and run a carbon filter indoors, because its lemon-skunk smell gets loud in flower.
How long does Lemon Star take to flower?
Lemon Star flowers in about 9 weeks once you switch it to a 12/12 light cycle indoors. Grown outdoors, it is ready through October. Given its height, expect a noticeable stretch after the flip, then dense, resinous buds filling in along the tall frame over the rest of bloom.
How strong is Lemon Star?
Lemon Star has a THC level of 18 to 22%, which places it in the medium range. The effect is euphoric and relaxed, a bright lift that eases into a comfortable body calm. That solid but not overwhelming potency makes it an enjoyable, well-rounded strain for a wide range of growers.
How tall does Lemon Star grow?
Lemon Star grows tall for an indica, reaching up to around 2 m, thanks to its sativa side. Indoors you will want to manage that height with early topping, low-stress training or a screen, and a shorter veg. Outdoors, give it room in open ground or a large container to reach its full size.
What does Lemon Star taste and smell like?
Lemon Star leads with a sharp lemon-citrus aroma over a pungent diesel and skunk base. It is loud and funky rather than sweet, a classic skunky citrus profile. Both the aroma and flavor deepen as the buds cure slowly in the jar after harvest, keeping that zesty lemon front and center.
Is Lemon Star an indica or a sativa?
Lemon Star is indica-dominant, at 60% indica and 40% sativa. Built from Lemon Tree and Sensi Star, it has a tall, vigorous frame from its sativa side but an indica-leaning, euphoric and relaxed effect. That mix gives it both reach in the garden and a balanced, easygoing feel.
