SeedSupreme feminized seeds produce photoperiod crops with stellar genetics and seedless, potent buds. They lower the need to discard plants, reduce pollination risk, and ensure every cent you spend goes toward top-tier marijuana.
Our library boasts the largest selection of seeds for novice, intermediate, and advanced growers. We have strains for old-school and new-age medical and recreational takers. You can choose every aspect of your growing and smoking journey without dealing with rogue males.
Ready to make your cultivation journey more convenient and productive? Browse our selection of the finest feminized cannabis seeds in the USA and learn everything about them below.
What are feminized seeds?
Feminized cannabis seeds are modified to develop into female-only weed plants in 99% of cases. They’re the go-to for private and commercial growers producing marijuana for smoking purposes. How did they come about?
Regular cannabis seeds have XY chromosomes and develop into an approximately 50-50 split of males and females. The male pollinates the female in early fall and propagates the species.
Female plants yield sinsemilla (buds without seeds) when there’s no pollen around. These buds are rich in cannabinoids and terpenes, tasty, and suitable for consumption.
Early growers discarded males from their grow rooms to get these sought-after nugs. This approach worked to an extent but wasted crops and carried risks if a cultivator failed to notice a male.
Breeders devised a solution to boost cultivation ease and efficiency: removing the male chromosome at the seed level.
Female weed plant seeds contain only the X chromosome and develop into all-fem marijuana gardens. Enjoy nothing but plants bearing seedless, sticky, smokable buds.
How to recognize female seeds
All weed seeds look and behave the same until they enter flowering. It’s impossible to separate males and females from a batch. The only way to know you’re working with all-female genetics is by shopping at a seed bank with an expert breeding team and an excellent track record.
Feminized seeds from SeedSupreme are guaranteed to grow into female plants in 99% of cases, and our shoppers are here to confirm that.
Once your crops enter the flowering stage, the differences between each sex become apparent. Males have pollen sacs, while females carry stigmas for a sexual reproduction cycle.
What’s the difference between regular and feminized cannabis seeds?
When you go online to buy cannabis seeds, you usually run into two major categories: regular and feminized. Let’s explain the differences in detail.
Regular weed seeds are found in nature. They’re free of genetic modifications and develop into a 50-50 split of male and female crops.
Seed manufacturers use regular varieties to replenish their stocks, while breeders find them valuable for new strain production. You can use this variant if growing for personal use, but only unpollinated females will give you smokable buds.
Female weed seeds develop exclusively into female crops to grow, bloom, ripen, and bear buds rich in cannabinoids. They’re the crowning achievement of modern breeding, making at-home cultivation easier and broadly accessible.
What are the advantages of feminized cannabis seeds?
Feminized seed sales are skyrocketing across the world. This category is swiftly taking the spotlight away from regular strains for several reasons:
- Lower pollination risk: Since fem seeds contain no Y chromosome, they develop into female-only crops. The chance of a rogue pollen cell fertilizing your cannabis plant drops significantly if you’re growing fem seeds.
- Cost-efficiency: When using regular seeds, you may need to discard approximately half of your garden in early flowering to ensure all-female plants. With fems, each cent spent on seeds, nutrients, and lights goes toward future buds.
- Greater diversity: You can now get almost any old-school cultivar with only the X chromosome. Modern hybrids are sometimes unavailable in the XY version, so the selection of female strains surpasses that of regular seeds.
- Clone production capacity: When cloning cannabis, you typically cut branches from crops in the vegetative stage. It’s hard to tell the sex of a vegging plant, so you might end up with a male cutting if using regular seeds. Fem mother plants produce more valuable clones.
Disadvantages of feminized seeds
Despite the perks, some growers still prefer unmodified strains. Are feminized seeds weaker, lower-yielding, or less likely to germinate than the regular category? The answer to all three questions is a resounding no, but these seeds aren’t flawless.
Here are several reasons some cultivators opt for regular seeds:
- Less versatility: With regs, you can keep male and female plants together for new seeds or separate them for smokable weed. Females only produce seedless buds without extra manipulation. Future growing operations necessitate buying more seeds.
- Fewer phenotypic variations: Phenotypes are versions of the same strain with different traits, like color, smell, and potency. Female marijuana seeds result from selective breeding, eliminating variance. Using them means seeing less gardening diversity.
- Higher risk of hermaphroditism: When female plants get stressed, they may develop male organs and self-pollinate, potentially ruining your harvest. Genetic modification makes fems less stable and more susceptible to this issue.
The final disadvantage is the make-or-break factor for most shoppers, but it’s not inevitable. The dedicated work of expert breeders eradicated much of the earlier instability. Hermies are now unlikely, especially with our quality cannabis seeds and your good gardening practices.
How to grow feminized seeds
Feminized seeds in the USA can grow indoors and outdoors. Choose the setup based on your situation and preferences and follow the specific cultivation requirements.
Start by germinating your seeds to activate their growth potential. Keep seedlings in pots of lightly-fertilized soil under fluorescent lamps till they sprout fan leaves. What follows is dependent on whether you’re growing inside or outside.
Outdoor cultivation is cheaper and tends to result in taller, higher-yielding crops. However, they’re in greater danger of weather fluctuations, require available land, and take longer to ripen. Since the conditions are less under your control, pick climate-appropriate strains.
Marijuana generally enjoys climates in the 70–80°F temperature range with 40–60% relative humidity. In the USA, the growing season begins mid-April and ends mid-October, giving crops six months to mature.
Sow your plants in a breezy outdoor spot with at least six hours of direct sunlight exposure each day. Veg happens in May, June, and July while blooming begins when the days shorten in early August. Harvest time is strain-dependent but usually occurs in late September to mid-October.
Use physical protections and companion plants to keep your crops safe as they develop. Water them when the top inch of soil gets dry and supply nutrients weekly.
Prune the excess foliage and introduce branch support in flowering if needed. Gather buds before nighttime temps drop beneath 55°F.
When growing feminized seeds indoors, the environment is under your complete control. You’re free to choose any strain, so pick based on preference, available space, and experience level.
Choose a soil-based, hydroponic, or aeroponic setup and purchase the appropriate equipment. Get HPS or LED lights and meters to keep your grow room in check.
If your HVAC system doesn’t accommodate your strain’s preferences, employ heaters and humidifiers. Install fans on the side of your space for ventilation, and get a carbon filter if the scent is an issue.
Maintain an 18/6 light schedule for vegetative development. Feed with nitrogen, trim, and train crops during this time. Trigger flowering when plants are at ¾ of the final desired size.
To initiate the flowering stage, reduce the lights-on hours until you reach a 12/12 cycle. Stop training and transition to bloom-specific fertilizer to support bud production.
Perform a final flush a week before harvest to improve marijuana flavor. Gather buds when you see curled pistils and opaque trichomes on the colas. This moment will coincide with your cultivar’s expected flowering time.
Are feminized marijuana seeds good for beginners?
Beginners should buy feminized seeds first and try regular and autoflowering variants later. This version reduces the need to check crop sex. The plants also develop over an extended period, giving you more time to fix any stress or errors.
The two prominent cannabis families differ in fussiness. Generally, indica cultivars are better for newbies than sativas. They’re smaller and more resistant to common cultivation pitfalls like nutrient deficiencies, pests, molds, and stress.
Besides the seed variant and family, strain selection affects beginner-friendliness. Some cultivars are near-impossible to butcher, while others thrive only under exceptional care. If you’re a rookie, use the filters on the left to explore specimens appropriate for your first grow op.
What kind of soil is best for feminized weed seeds?
Buying the best feminized seeds helps ensure high-quality harvests, as does the soil where you sow them. Your substrate should be:
- pH balanced to avoid nutrient issues
- Nutrient-rich to support root health
- Well-aerated to promote root growth
- Well-draining to avoid under and overwatering
There’s no one-size-fits-all substrate, as the soil features have to fit your climate and chosen strain. Clay is tricky in dry regions, and sand requires precise nutrient management. Most American cultivators prefer loam because it provides adequate nutrition and root permeability.
What nutrients are the best for feminized marijuana seeds?
Female cannabis plants get their growth fuel through photosynthesis and root absorption. They can thrive without extra feeding, but fertilizers increase yield size and quality.
Quality soil contains minerals, while soilless media leave the feeding schedule in your hands. In any case, amending the substrate with organic nutrition for weed leads to better output.
Marijuana needs large doses of nitrogen, phosphorus, and potassium. It also uses a selection of other minerals in smaller quantities.
The feeding requirements change throughout your crops’ life cycle. Seedlings require no external nutrition: only some water and light. Veg and flower make plants hungry, so purchase stage-specific fertilizers, which include:
- Vegetative stage: Plenty of nitrogen and some potassium, phosphorus, calcium, and magnesium
- Flowering stage: Plenty of phosphorus and potassium and some nitrogen and calcium
Follow the manufacturer’s instructions but adjust dosing if you notice signs of nutrient troubles. Sativa-heavy plants are susceptible to nutrient burn, while fast-growing cultivars require less food. Watch your crops and feed intelligently to achieve abundance.
Top 5 feminized weed seeds
SeedSupreme stocks hundreds of feminized marijuana seeds for sale. Where do you start exploring this diverse and convenient category?
The filters on the left help narrow down your option pool if you’re in the market for something specific. Otherwise, here are five excellent starting points to accommodate all grower and toker preferences:
- Cinderella 99 feminized is sativa-dominant, delicious, and moderately potent. Its buds smell like earth and pineapple, contain 17% THC, and suit wake ‘n’ bake sessions. The compact crops are a breeze to grow, yielding 21 oz./m² inside and 28 oz./plant outdoors.
- Amnesia feminized is sativa-dominant, peppery, and heavy-hitting. The bouquet is refreshing, while the 20% THC induces energy and fits of giggles. Crops are tall and slim, producing 17 oz./m² indoors and 24 oz./plant outdoors.
- Afghan feminized is an indica landrace with old-school flavors and effects. Its aroma consists of earth and pine, while the 17% THC delivers full-body relaxation, munchies, and healing effects. Crops are tiny and sturdy, bringing 15 oz./m² indoors and 17 oz./plant outdoors.
- Diesel feminized is sativa-dominant, super strong, and guaranteed to get you fired up. It smells of kerosene, and its 21% THC packs a powerful energy punch for daytime toking. Crops are massive yet hassle-free, delivering 17 oz./m² indoors and 17 oz./plant outdoors.
- Jack Herer feminized is sativa-dominant, herbal, and well-balanced. Its dank yet mellow smoke brings 19% THC for an afternoon pick-me-up and a mood uplift. Crops stretch tall but require little TLC, producing 21 oz./m² indoors and 24 oz./plant outdoors.
FAQs about feminized cannabis seeds
Here are some common community questions about feminized weed seeds and our expert answers.
What are autoflowering feminized seeds?
Feminized autoflowering seeds are specimens with two genetic modifications. Besides removing the male chromosome, we also combine regular strains with non-photoperiod ruderalis. These crops are all-female, compact, and bloom regardless of the light schedule.
All auto specimens for sale in our library contain female-only genetic material to facilitate your sped-up growing journey.
Cold weather and time-sensitive growers are fond of these double-duty seeds for smoking purposes. Rookies and those who prioritize yield size prefer photoperiod fems.
Do feminized plants produce seeds?
If pollinated, feminized plants do produce seeds. For this reason, you must keep your garden free of males if planning to grow seedless, THC-rich, and smokable buds.
Once pollen from a male marijuana crop touches a pistil, fertilization happens, and the bud site turns into a seed pod. This event is unlikely if you’re using our female seeds, but beware of neighboring weed gardens and seal your space. Pollen cells may travel as far as ten miles.
Can you clone feminized seeds?
You can clone crops from feminized marijuana seeds. Doing so ensures you propagate only the most prolific female genetics.
Take cuttings during the vegetative stage, as cannabis only shows signs of sex in early flowering. The cloning process is the same with feminized and regular seed-grown plants.
Difference between autoflowering and feminized seeds
The terms “autoflower” and “feminized” describe different categories of seeds you can buy and grow. Here’s their meaning:
- Feminized seeds: Free of male chromosomes and produce only bud-bearing female crops. Life cycle length, crop size, potency, and sturdiness vary with the strain.
- Autoflower seeds: Contain ruderalis genetics, which makes them independent of the photoperiod. Crops are compact, slightly lower-yielding, and flower automatically after 5–6 weeks of vegging.
Most autoflowering seeds for sale are also feminized to offset the latter’s fast-growing nature. If seeking smokable buds, you don’t want pollination to occur before you get the chance to identify and discard males.
How do you make feminized seeds using colloidal silver?
Colloidal silver is a solution of silver particles dissolved in water and one of the best ways to feminize marijuana seeds. Here’s how to use it:
Choose a healthy plant in late vegging and place it in a separate, sealed space.
Use a spray bottle to soak the crop with colloidal silver three times a day.
Repeat the previous step for two weeks and let the plant grow as usual.
The crop will develop male pollen sacs, and you can gather viable reproductive material after 3–4 weeks. Use the fine spores to pollinate a female plant, and let it finish maturation. Then, collect your new source of feminized cannabis seeds.
How do you make feminized seeds using rodelization?
Rodelization is an all-natural, straightforward seed feminization technique. It doesn’t require you to handle chemicals, but it’s somewhat less efficient than colloidal silver.
Being seedless is an unnatural state for female marijuana, so it sometimes produces pollen sacs when left flowering too long. This last-ditch effort at species propagation creates seeds with only the X chromosome.
Rodelization involves letting crops remain under the 12/12 light schedule past the ideal harvest window. Pollen sacs should appear within a week or two.
Collect the sacs carefully and break them open to release the X-chromosome pollen. Use this fine reproductive dust to fertilize other female plants and produce female weed seeds.
How do you germinate female cannabis seeds?
Germination is the first step of successful cultivation. This process relies on heat and moisture to trigger growth hormones and lead to taproot production. You can use various sprouting techniques, but paper towels are the best mix of simplicity and efficiency.
Let the seeds sit in a dark and warm space between moist paper towels for 1–5 days. When a taproot emerges, carefully transport them with tweezers and sow in a lightly-fertilized medium.
How do you buy cannabis seeds online safely?
Are you wondering where to buy feminized cannabis seeds? Not all American seed banks are worth your money, time, and trust. The following factors help you differentiate between reputable and untrustworthy ones:
- Product quality: Your chosen store should have a rich selection of the best feminized seeds. It should offer germination guarantees and openly post positive and negative reviews.
- Delivery mechanisms: Shipping should be safe, speedy, and tracked. Seed banks get bonus points for stealthy packaging.
- Payment methods: The store must offer varied, secure, and encrypted money transfer mechanisms for its sales.
SeedSupreme is an established seller that ticks all three boxes, and you’re already here. Why not skip the search and shop with the best?
Buy feminized seeds today
Ready to grow marijuana at home? You’re in the perfect place to find feminized weed seeds for sale in the USA. SeedSupreme stocks over 4,000 cannabis strains from in-house and reputable partner breeders.
We set you up with stable, 100% legal weed seeds at fair prices. We deliver quickly and discreetly across the country. Pricier purchases qualify you for free shipping. Our payment methods are secure, encrypted, and diverse: we even accept Bitcoin.
Our customer support team is here to address questions and concerns. The blog section contains educational resources to help you turn tiny seeds into prolific, bud-bearing plants. Launch your journey of dispensary-independent cannabis enjoyment today.