How to Grow Amnesia Lemon Cake Boom
Amnesia Lemon Cake Boom is a 70% sativa-dominant regular strain, a cross of Amnesia Lemon and Cake Boom. It carries a THC level of 16 to 22%, which sits in the medium range, and delivers a focused, happy and relaxed effect over a zesty lemon and earthy flavor. As a regular strain it produces both male and female plants, which makes it a favorite for breeders. This guide walks you through the whole grow, from germinating the seeds to the final cure.
It reaches a medium 1.5 m, runs a 9 to 10 week bloom, and finishes outdoors in November with a high yield. Its vigorous, lemon-forward genetics and stable, unmodified line reward growers who want to work with its males as well as its females.
Recommended Strains
Amnesia Lemon Cake Boom Regular
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THC | 16% - 22% (Medium) |
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Type | Regular |
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Yield | High |
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Phenotype | 30% Indica / 70% Sativa |
Amnesia Lemon Regular
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THC | 18% - 22% (Medium) |
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Type | Regular |
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Yield | High |
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Phenotype | 30% Indica / 70% Sativa |
Amnesia Lemon Cake Boom at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this zesty, lemon-forward sativa, taken straight from the strain’s grow data.
| Seed type | Regular (photoperiod) |
|---|---|
| Genetics | Amnesia Lemon x Cake Boom |
| Phenotype | 70% Sativa / 30% Indica |
| THC | 16–22% (medium) |
| Flowering time | 9–10 weeks |
| Outdoor harvest | November |
| Height | up to 4.92 ft (1.5 m) |
| Yield indoor | 1.47–1.97 oz/ft² |
| Yield outdoor | 12.35–14.11 oz/plant |
| Climate | Temperate |
| Flavors | Earthy, Lemon |
| Effects | Focused, happy, relaxed |
These are regular seeds, so they produce both males and females, the natural choice for breeding and preserving a line. Its 70% sativa lean places it among the sativa seeds, while its strong harvest earns it a spot with the high-yielding seeds. Its Amnesia backbone also makes it a classic in the wider family of Haze strains.
Promos & Deals
How to Germinate Amnesia Lemon Cake Boom Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the Amnesia Lemon Cake Boom 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. Its vigorous lemon-forward genetics make for a fast, dependable seedling.
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 Amnesia Lemon Cake Boom in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep Amnesia Lemon Cake Boom 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%. It suits a temperate climate, so steady, moderate conditions work in its favor. As a 70% sativa it grows tall and lanky with open internodal spacing, so plan for a plant that keeps reaching.
This is the stage to shape the plant. Because sativas stretch, topping early and using low-stress training to pull the branches outward keeps the canopy even and the height in check, especially indoors. A shorter veg before you flip helps manage the stretch, and a little support for the long branches pays off once the buds fill in.
Its reaching structure and November finish make it a true sativa project, with room to run outdoors:
- Warm, long-season outdoor plots: its November harvest needs a mild, dry late autumn, so it suits warmer temperate and Mediterranean climates.
- Mediterranean-style gardens: plenty of sun and space let it stretch out and fill its long colas.
- Indoor tents: keep veg short and train hard, as its sativa stretch will otherwise test the height of a tent.
Identifying the Sex of Your Plants
Because Amnesia Lemon Cake Boom is a regular strain, each seed can grow into a male or a female, so part of the job is to identify the sex before flowering goes far. Around one to two weeks into 12/12, small pre-flowers appear where the branches meet the main stem. Females show a tiny teardrop-shaped calyx with a pair of white hairs, while males form small round pollen sacs on a short stalk.
If your goal is buds, remove the males early, before the sacs open, so they cannot pollinate the females and fill your flowers with seeds. If you are breeding, this is exactly where regular seeds earn their place: you keep a healthy male to collect pollen and preserve or cross the Amnesia Lemon Cake Boom line, something feminized seeds cannot offer. Either way, check daily once pre-flowers show, as a single open male can pollinate a whole room.
Flowering and Buds of Amnesia Lemon Cake Boom
Indoors, flip Amnesia Lemon Cake Boom to a 12/12 light cycle to trigger flowering, which runs 9 to 10 weeks. Outdoors it ripens in November. As a sativa it shows a significant stretch in the first weeks after the flip, so leave headroom, then forms long, resinous, spear-shaped colas.
Through bloom, drop humidity to 40 to 45% and keep air moving so the long flowers stay clean. The buds build a bright lemon aroma over an earthy, grounded base, the zesty lemon of its Amnesia Lemon parent meeting a rich, sweet depth from Cake Boom.
At 16 to 22% THC it sits in the medium range, giving a focused, happy and relaxed effect, a clear-headed, functional lift with an easygoing finish.
Common Problems and Pro Tips
Amnesia Lemon Cake Boom is a rewarding grow, but its sativa stretch, zesty aroma and regular genetics point to a few things worth watching.
- Manage the stretch: as a 70% sativa it can nearly double in height after the flip, so keep veg short and train early to stay within your space.
- Control the smell: its lemon nose is bright and carrying in flower, so a carbon filter is close to essential indoors if odor matters.
- Watch for males: as a regular strain it will throw males, so check pre-flowers daily and pull them early unless you are breeding.
Expert tip: its lemon-earthy profile rewards a clean grow. Train hard in veg to tame the sativa stretch, and dry and cure slowly so the bright lemon holds up over its earthy, sweet base.
Aroma, Flavor and Effects
The nose is bright and zesty: a sharp lemon lift up front over an earthy, grounded base, with a rich, sweet edge from its Cake Boom side. It is a lively, citrus-forward profile balanced by a deeper earthy sweetness rather than a flat one.
The flavor follows the nose, zesty lemon with an earthy, sweet finish. On the effect side it is focused, happy and relaxed, a clear-headed, functional lift. Because THC runs a moderate 16 to 22%, it stays rounded and approachable.
Dominant terpenes
Amnesia Lemon Cake Boom carries a bright, layered terpene profile. Limonene drives the sharp, zesty lemon that defines its nose, Terpinolene adds a fresh, zesty-piney lift, Myrcene lays down the earthy, musky base, Caryophyllene a warm, peppery spice, Pinene a sharp pine edge, and Geraniol a sweet, floral-citrus note. A supporting cast of Humulene, Linalool, plus Borneol and its isomer Isoborneol, rounds out its lemon and earthy character with woody, floral and cool, camphor-like undertones.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a vigorous, high-yielding sativa Amnesia Lemon Cake Boom 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
Amnesia Lemon Cake Boom builds a solid 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 bright lemon 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 Amnesia Lemon Cake Boom
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 9 to 10 weeks after the flip, and outdoors the plants are ready in November.
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 and earthy 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 earthy, sweet depth really come together, and it is the step most growers rush.
Frequently Asked Questions
Why are Amnesia Lemon Cake Boom seeds regular and not feminized?
Amnesia Lemon Cake Boom is sold as a regular strain, so it produces both males and females. That is exactly what breeders want: a male lets you collect pollen to cross or preserve the line, which feminized seeds cannot do. Many growers also value the vigor and stable, unmodified genetics of a regular strain.
How do you identify the sex of Amnesia Lemon Cake Boom plants?
About one to two weeks into 12/12, check where the branches meet the stem. Females show a small teardrop calyx with two white hairs, while males form round pollen sacs on a short stalk. If you are growing for buds, remove the males early so they cannot pollinate your females.
How long does Amnesia Lemon Cake Boom take to flower?
Amnesia Lemon Cake Boom flowers in 9 to 10 weeks once you switch it to a 12/12 light cycle indoors. Grown outdoors, it is ready in November. As a sativa it stretches hard in the first weeks after the flip, then forms long, resinous colas over that bloom window.
How strong is Amnesia Lemon Cake Boom?
Amnesia Lemon Cake Boom has a THC level of 16 to 22%, which places it in the medium range. The effect is focused, happy and relaxed, a clear-headed, functional lift with an easygoing finish. That moderate potency makes it a rounded, approachable strain for a wide range of growers.
How much does Amnesia Lemon Cake Boom yield?
Amnesia Lemon Cake Boom is high-yielding. Indoors it gives around 1.47 to 1.97 oz/ft², and outdoors a plant reaches roughly 12.35 to 14.11 oz in good conditions. Space, strong light and early training are what help this vigorous sativa fill out its long, resinous colas to their full potential.
What does Amnesia Lemon Cake Boom taste and smell like?
Amnesia Lemon Cake Boom leads with a sharp, zesty lemon aroma over an earthy base, with a rich, sweet edge from its Cake Boom side. It is a lively, citrus-forward profile balanced by earthy sweetness. Both the aroma and flavor deepen as the buds cure slowly after harvest.
