How to Grow Alien Rock Candy
Some strains are named by marketing departments; this one earned it in the jar. Alien Rock Candy, often shortened by searchers to Alien Candy or simply ARC, crosses a Sour Dubble female with a Tahoe Alien male to produce dense, sugar-frosted indica buds that smell like sweet citrus hard candy with a pungent edge. At 15-19% THC it keeps the experience friendly, and the plant itself is one of the most cooperative 80% indicas in the catalog.
This guide covers the complete cycle for Alien Rock Candy feminized seeds from Blimburn Seeds, built on the official datasheet: germination, training, the 12/12 flip, feeding by stage, and the harvest timing that keeps the candy-store terpenes intact through the cure.
Recommended Strains
Alien Rock Candy
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THC | 15% - 19% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 80% Indica / 20% Sativa |
Tahoe OG Auto
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THC | 18% - 20% (Medium) |
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Type | Autoflowering |
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Yield | Low |
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Phenotype | 60% Indica / 40% Sativa |
Alien Rock Candy at a Glance
Here is everything the official datasheet says, in one table.
| Trait | Alien Rock Candy |
|---|---|
| Lineage | Sour Dubble female x Tahoe Alien male |
| Type | Feminized photoperiod |
| Phenotype | 80% Indica / 20% Sativa |
| THC | 15-19% (medium) |
| Flowering time | 8-10 weeks |
| Height | 4.92 ft (1.5 m) |
| Yield indoor | 1.31-1.64 oz/ft² (400-500 g/m²) |
| Yield outdoor | 17.64-19.4 oz (500-550 g) per plant |
| Outdoor harvest | October |
| Climate | Temperate |
| Effects | Happy, munchie-inducing, relaxed |
| Flavors | Citrus, pungent, sweet |
The profile reads like a textbook home-grower strain: compact height, forgiving flowering window, a generous 17.64-19.4 oz per outdoor plant, and a THC range that delivers a satisfying evening without demanding a veteran tolerance. The official datasheet marks it beginner-suitable, and the numbers back that up.
Promos & Deals
Alien Rock Candy vs. Alien Rock Candy F1
Blimburn Seeds carries two products under this name, so check your cart before paying. The strain in this guide is the original: Sour Dubble x Tahoe Alien, 80% indica, 15-19% THC, classic candy-citrus flavor.
Alien Rock Candy F1 is a newer, stronger evolution: the original crossed with OG Kush, pushing THC to 22-24% and adding mint and fruit notes over the citrus base. Choose the original for a mellower, munchie-friendly evening smoke and the easiest possible grow; choose the F1 when potency is the priority. Fans of the alien lineage can also explore Alien Technology, the pure Afghan indica that gave this genetic family its name.
Germination and the Vegetative Phase
Germinate with the paper-towel method at 70-79°F: seeds between damp paper towels on a covered plate, in darkness, with taproots appearing within 24-120 hours. Plant half an inch deep in light, well-draining soil, taproot down.
These are feminized seeds, so every plant will flower female. Veg under 18 hours of daily light for 4-8 weeks, potting up to 3-5 gallon containers indoors. Growth is steady and stocky, with the broad leaves and short internodes you expect from an 80% indica; nothing about this plant is in a hurry, and nothing about it is fragile.
Top once above the fourth node and spread the mains with low-stress training to flatten the canopy. Because the buds finish dense, a light interior defoliation at the end of veg is worth the ten minutes: airflow through the middle of this plant is your main defense during bloom.
Growing Alien Rock Candy Indoors
Indoors, flip to 12/12 when plants reach about half their target height; the stretch is modest and a 1.5 m ceiling is never seriously threatened. Flowering completes in 8-10 weeks, with buds that stack into tight, glittering nuggets along every branch.
Hold lights-on temperatures at 68-81°F, humidity at 50-60% in veg and 40-45% once flowers form, and keep an oscillating fan moving air through the canopy. Rock-hard indica flowers in still, humid air are an invitation to botrytis, and that is the one way to spoil an otherwise effortless grow.
Expect 1.31-1.64 oz/ft² (400-500 g/m²) under strong light. The bag appeal is remarkable for the effort: pale green buds under a crust of trichomes that genuinely evokes rock candy.
Growing Alien Rock Candy Outdoors
Outdoors, give it a temperate climate: warm summer days, mild nights, and a reasonably dry autumn. Harvest lands in October, with each plant delivering a generous 17.64-19.4 oz (500-550 g) of dried flower from a bush that stays below fence height.
Plant in full sun after the last frost in 15+ gallon containers or amended soil, and stake the main colas by early September; the final weeks add weight fast. In regions with early autumn rain, keep a cover handy and shake the colas gently after wet spells, because these dense flowers hold moisture at the core.
Feeding and Watering
Alien Rock Candy has a healthy feeding drive during bloom but starts gently, like most indicas. Follow the leaves, not the label.
| Stage | EC | pH | Notes |
|---|---|---|---|
| Seedling | 0.4-0.6 | 6.0-6.5 | Plain water or quarter-strength feed |
| Vegetative | 0.8-1.2 | 6.0-6.5 | Nitrogen-forward, add silica for stems |
| Preflower | 1.2-1.4 | 6.0-6.5 | Transition formula at the 12/12 flip |
| Bloom | 1.4-1.6 | 6.0-6.5 | Phosphorus and potassium forward |
| Flush | 0.0-0.4 | 6.0-6.5 | Final 10-14 days, plain water |
Water when the top inch of the medium has dried and let pots lighten noticeably between rounds. Watch the older fan leaves in mid-bloom for interveinal yellowing, the usual magnesium request from resin-heavy indicas, and answer with cal-mag before it climbs the plant.
Finish on plain water for the last 10-14 days. The sweet candy-citrus profile is the entire point of this strain, and clean flower is what lets it through.
Flavor, Terpenes, and Effects of Alien Rock Candy
Crack the jar and the name makes sense immediately: sweet citrus candy up front, a pungent, almost sour funk from the Sour Dubble side underneath, and a sugary finish. The official profile lists four terpenes, and each pulls real weight. Myrcene supplies the ripe, musky base that carries the sweetness, and caryophyllene adds the peppery, pungent bite that keeps the candy from turning saccharine. Linalool lends a soft floral smoothness to the exhale, while pinene threads a fresh, resinous brightness through the citrus top notes.
The effect is the happy end of the indica spectrum: a smiling, relaxed settle that spreads through the body without pinning you, followed by a reliably munchie-inducing wave, so stock the kitchen before the session. At 15-19% THC it is one of the better choices in the catalog for unhurried evenings, shared bowls, and anyone who finds modern 25%-plus cultivars more intense than enjoyable.
Harvesting, Drying, and Curing
Start checking trichomes with a loupe in week 7 of bloom. Harvest when most are cloudy and 10-20% have turned amber for the balanced happy-relaxed character; letting more amber develop deepens the body weight at the cost of the cheerful sparkle.
Dry whole branches upside down at 59-68°F and 50-55% humidity for 7-14 days in darkness with gentle airflow. These dense nuggets dry outside-in, so wait for stems that snap cleanly before trimming and jarring. Cure in glass for three to four weeks, burping daily at first; the candy sweetness that smells faint at harvest blooms impressively by week three.
What to Do With Your Trim
The trichome crust extends well into the sugar leaves. Dry-sift the trim for a sweet, citrusy kief, run it through ice-water bags for hash, or infuse it into butter, few strains make dessert edibles that match their own name this well.
Common Problems and Pro Tips
Alien Rock Candy is a compact, forgiving grow, but it is a dense 80% indica with a pungent aroma, so airflow and smell control come first.
- Watch the humidity: as an 80% indica its buds are dense and trap moisture, so keep flowering humidity down and run a fan to prevent bud rot.
- Plan for the smell: its sweet, candy-citrus aroma carries a pungent, sour edge in flower, so run a carbon filter if you need to keep the grow discreet.
- Open up the canopy: it grows compact and bushy, so defoliate lightly to get light and air to the lower buds and keep ripening even.
Expert tip: note there is also a stronger Alien Rock Candy F1 crossed with OG Kush. For this original version, a slow dry and a careful cure deepen its sweet, candy-citrus character markedly.
Frequently Asked Questions
Is Alien Rock Candy indica or sativa?
It is strongly indica-dominant, at 80% indica to 20% sativa, from a Sour Dubble female and a Tahoe Alien male. Structure, flowering speed and the relaxed effect all follow the indica side, which also means dense buds, so keep humidity down and air moving as the plant fills out.
What is the difference between Alien Rock Candy and Alien Rock Candy F1?
The original covered here runs 15 to 19% THC with candy-citrus flavor. The F1 crosses it with OG Kush, reaching 22 to 24% THC and adding mint-fruit notes. Same family, different intensity, so check which one you want before buying if potency is your main concern here.
What is the THC level of Alien Rock Candy?
The official range is 15 to 19%, a friendly medium level that suits relaxed evenings and newer consumers alike. For growers that means a forgiving, approachable plant where you do not need to chase the highest numbers, and the appeal sits more in its sweet, candy-citrus character and dense buds.
How long does Alien Rock Candy take to flower?
Flowering takes 8 to 10 weeks after switching indoor lights to 12/12. Outdoor plants in temperate climates finish in October. Its dense buds benefit from good airflow through that window, so keep a fan moving air across the canopy and check trichomes toward the end for your preferred ripeness.
What does Alien Rock Candy taste like?
Sweet citrus candy with a pungent, sour-leaning edge, driven by myrcene, caryophyllene, linalool and pinene. The sweetness deepens markedly with a proper cure, so dry slowly in a cool, dark space and give it a few weeks in jars before you judge the finished flavour of this one.
Is Alien Rock Candy good for beginners?
Yes. The official datasheet marks it beginner-suitable: compact, feminized, tolerant of small mistakes and generous for the effort, an ideal first indica project. The main jobs are keeping humidity down around the dense buds and running a carbon filter for its pungent aroma in flower.
