If you’re looking for the best feminized seed spray, look no further! We’ve got everything you need to know about this helpful tool, including how to use it and what it can do for your plants.
Top 10 Best Feminized Seed Sprays – Top Picks
Plant Feminizing Spray, 4 Oz.
This Plant Feminizing Spray is a great way to ensure your plants are getting the nutrients they need. The 4 Oz size is perfect for small to medium sized plants. The spray is easy to use and can be applied directly to the leaves or soil.
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- 🏆 OMEGA GENETIX Plant Feminizing Spray will produce male pods with female pollen.
- 🏆 100% PURE NANOCOLLOIDAL SILVER. We do not have a gimmick and it is no secret that our product is pure colloidal silver. Experience has taught us the exact voltage, amperage, time, temperature, water purity, dissolved oxygen level, and pH level for quality processing.
- 🏆 99.9999% PURE SILVER. We use raw ore-argentite mixed with an inorganic compound that forms into a potassium solution and when combined with Zn30 forms into an alkaline solution and precipitates the silver solution that is fused together with niter and then electrolytic purify it to become pure silver to create our famous feminized solution. Our product is tested using our single particle ICP-MS to ensure the correct ppm of silver needed to feminize a plant.
- 🏆 SAFE AND EFFECTIVE. It is specifically designed for plants, however it is completely safe to humans but not intended for consumption.
- 🏆 EASY INSTRUCTIONS. Choose a plant that has not started flowering and is at least 2 weeks in the vegetative stage. Spray one entire branch 3-4 times a day for 2 to 3 weeks. When the treated branch’s pollen sacks ripen, carefully dust your female flowers with the pollen. Continue growing until feminized seeds mature, which is at least one week past its normal harvest date.⭐⭐⭐⭐⭐
Cannabinology 1 oz/30 ml Silver Thiosulfate Spray Kit | Feminized Seed Spray | STS Spray K…
The Cannabinology 1 oz/30 ml Silver Thiosulfate Spray Kit is a feminized seed spray that is used to make feminized seeds. The kit includes a silver thiosulfate solution, a blue color indicator, and a green color indicator. The silver thiosulfate solution is used to reverse the sex of a plant, and the blue and green color indicators are used to determine when the solution has been completely sprayed onto the plant. The kit also includes a 1 oz spray bottle for easy application.
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- EASILY MAKE 100 percent FEMALE SEEDS: The Cannabinology STS Spray Kit is easier to use and more effective than Colloidal silver and other reversal methods. This kit contains everything you need to sex reverse female plants and produce feminized seeds at home or in a commercial setting. This proprietary Silver Thiosulfate formula is proven to provide ease of use, accuracy, and repeatability to breeders across the country and around the world. Start your breeding journey today!
- SAFE & SCIENTIFIC: Cannabinology STS Spray is safe, non-toxic, and non-allergenic. However, a plant that is treated with STS should not be consumed (it will be covered in pollen sacs anyway) and it can stain fabrics. It’s always a good idea cover up and wear gloves when doing scientific work!
- HOW IT WORKS: The Cannabinology STS Spray Kit contains a proprietary aqueous formula of Silver Thiosulfate (STS). When applied to plants at, Silver Thiosulfate (STS) blocks the action of ethylene, the ‘female’ hormone in plants. Blocking ethylene forces a female plant to produce male-type flowers, pollen sacks, and pollen. Since this pollen was made by a female, the pollen can be used to pollinate a non-treated female plant (or branch) creating feminized seeds which will be 100 percent female.
- HOW TO USE: Whether you’re just starting your breeding journey or are a seasoned breeder Cannabinology STS Spray Kits make it easy to make feminized seeds. Add water then a small amount of soap to the STS Spray bottle. Apply STS Spray to a female plant starting on day 1 of flower; repeat every 5 days until day 20 – 30. Pollinate a non-treated female plant. Grow the female plant until seeds are mature. For important tips on using Cannabinology STS Kits, see the included instructions.
- BENEFITS: Cannabinology STS Spray Kits provide new and seasoned breeders the easiest method of reversing female plants and producing feminized seeds. You can easily save your favorite phenotypes, produce new feminized crosses, and even flush out rare genotypic or phenotypic traits.
- Department name: unisex-adult
Cannabinology Feminized Seed Spray | 8 oz/240 ml Bottle | Breed 100% Female Seeds (Feminiz…
Looking to produce only female plants? You need our Cannabinology Feminized Seed Spray! This 8 oz/240 ml bottle will allow you to breed 100% female seeds. The silver thiosulfate spray kit and STS spray kit included in this purchase will help you to reverse the sex of your plants if needed.
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- EASILY MAKE 100% FEMALE SEEDS: The Cannabinology STS Spray Kit is easier to use and more effective than Colloidal silver and other reversal methods. This kit contains everything you need to sex reverse female plants and produce feminized seeds at home or in a commercial setting. This proprietary Silver Thiosulfate formula is proven to provide ease of use, accuracy, and repeatability to breeders across the country and around the world. Start your breeding journey today!
- SAFE & SCIENTIFIC: Cannabinology STS Spray is safe, non-toxic, and non-allergenic. However, a plant that is treated with STS should not be consumed (it will be covered in pollen sacs anyway) and it can stain fabrics. It’s always a good idea cover up and wear gloves when doing scientific work!
- HOW IT WORKS: The Cannabinology STS Spray Kit contains a proprietary aqueous formula of Silver Thiosulfate (STS). When applied to plants at, Silver Thiosulfate (STS) blocks the action of ethylene, the “female” hormone in plants. Blocking ethylene forces a female plant to produce male-type flowers, pollen sacks, and pollen. Since this pollen was made by a female, the pollen can be used to pollinate a non-treated female plant (or branch) creating feminized seeds which will be 100% female.
- HOW TO USE: Whether you’re just starting your breeding journey or are a seasoned breeder Cannabinology STS Spray Kits make it easy to make feminized seeds. Add water then a small amount of soap to the STS Spray bottle. Apply STS Spray to a female plant starting on day 1 of flower; repeat every 5 days until day 20 – 30. Pollinate a non-treated female plant. Grow the female plant until seeds are mature. For important tips on using Cannabinology STS Kits, see the included instructions.
- BENEFITS: Cannabinology STS Spray Kits provide new and seasoned breeders the easiest method of reversing female plants and producing feminized seeds. You can easily save your favorite phenotypes, produce new feminized crosses, and even flush out rare genotypic or phenotypic traits.
2023 Feminized Plant Seed Spray. Maximum Potency STS Concentrate. 100% Success Rate. Makes…
This is the most potent STS concentrate available on the market, with a 100% success rate in feminizing plants. It makes up to 16oz of spray, which is enough to treat a large number of plants. This product is easy to use and is very effective at feminizing plants.
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- This product comes in 2 parts, which include the following: Concentrated Silver Nitrate and Concentrated Sodium Thiosulfate; as well as a convenient spray bottle to combine and apply the solution.
- Combine one bottle of each part equally, add 60ml water in the included spray bottle. Shake the solution and spray directly on your bud sites.
- On their own both parts of this product will be stable for many years.
- If you buy the pre-mixed STS spray it might already be past it’s effective shelf-life. With this product you are always going to get a fresh STS solution at it’s maximum potency!
- The solution is potent enough that you can dilute the spray even more by topping off spray bottle with more water to stretch it out even longer. Making up to 16 oz of spray.
Biopharm Fem Magic Kit — Seed Feminizer Spray for Medical Plant Cross Breeding — Feminizat…
The Biopharm Fem Magic Kit is a seed feminization spray that is used for medical plant cross breeding. This feminization spray is designed to be used on one plant only. This product is easy to use and is designed to produce consistent results.
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- WHY USE BIOPHARM’S FEM MAGIC: By using Biopharm’s Fem Magic, you can make female seeds of your favorite strain with 99% accuracy. Our two-part kit is proudly made in our own USA lab. We want you to be completely satisfied with your purchase and are happy to provide our own customer support to resolve any issues you may have.
- HOW TO APPLY: Choose a plant that has not started flowering and is at least 2 weeks in the vegetative cycle. Spray one entire plant (not just the foliage) once a day for 14 days. Before the pollen sacs open, put a collection device under the feminized plant to catch the falling pollen; use this pollen to dust another plant in flowering mode. (Alternate method: Put a fan near the feminized plant and place a non-feminized plant nearby so the pollen can transfer to the second plant.)
- PRESERVATION: Biopharm’s Fem Magic allows you to preserve your favorite strain of the sacred plant. This allows you to save a lot of money by not buying female seeds from the big growers.
- FEMINIZED SEEDS 99%: Take the guesswork out of it! Biopharm’s Fem Magic is the most reliable method for producing feminized seeds of dioecious plants. One kit is all you need to feminize an entire plant to produce female pollen. When the pollen from your feminized plant is transferred to the flowers of your non-feminized plant, it will produce female seeds with 99% accuracy.
Tiresias Mist Feminized Seed Spray | 1 ounce Bottle for Growing All Female Pollen and Seed…
Looking to grow only female pollen and seeds? Tiresias Mist Feminized Seed Spray is your solution! This safe, non-toxic plant flower formula is effective and reliable, perfect for growers. This 1 ounce bottle will help you get the best results for your plants.
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- 🌱 100% FEMINIZED SEEDS: Tiresias Mist is the most reliable, safe and effective alternative for producing feminized seeds. One bottle is all it takes to provide enough solution to one branch that will produce female pollen. Transfer that pollen to the flowers of a dioecious plant and it will produce 100% feminized seeds. No more guessing!
- 🌱SAFE + FUN: Tiresias Mist is made of natural minerals and is non-toxic, non-allergenic and will not cause harm to humans, plants or pets. However, the stem being treated should not be consumed (it will be covered with pollen sacs). Most importantly, have fun, get crazy and be excited to start your own experiments. You now have the ability and the freedom to produce your own female seeds and save your favorite strains!
- 🌱 HOW IT WORKS: Whether you’re an amateur or a pro grower, Tiresias Mist makes it simple for anyone to create their own feminized seeds. A 1oz bottle will treat one branch of a plant to produce feminized seeds on the same plant, or to produce genetically female crosses with other plants. Treating one branch enables that one branch to create male characteristics (pollen sacs) through which the pollen can be used to pollinate the flowers of the rest of the plant and produce feminized seeds.
- 🌱 HOW TO USE: Choose a plant that has not started flowering and is at least 2 weeks in the vegetative cycle (about 5” height). Spray one entire branch (not foliage), 3-4 times a day for 14-21 days. Before the pollen sacs open, cut off the branch, place it in a glass of water and wait for development to finish. At the same time, continue growing the plant until female flowers are showing. When ready, carefully dust your female flowers with pollen. Continue growing until feminized seeds mature.
- 🌱 BEST BENEFITS: By using Tiresias Mist, you not only gain all female seeds, but you also no longer have to wait weeks for deliveries and it allows you to create your own strain. Additionally, a tap root from a seed will produce higher yields and you can store seeds for future use and crop timing. It’s easier to transport seeds as opposed to seedlings or clones.
Plant Feminizing Spray, 16 Oz Bottle
This Plant Feminizing Spray is designed to change the sex of your plants from male to female. It is easy to use, just spray on the desired plants and wait for the change to occur. This 16 Oz Bottle will provide you with enough spray for multiple uses.
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- 🏆 OMEGA GENETIX LLC Plant Feminizing Spray will produce all female seeds on any dioecious variety plant.
- 🏆 100% PURE COLLOIDAL SILVER. We do not have a gimmick and it is no secret that our product is pure colloidal silver. Experience has taught us the exact voltage, amperage, time, temperature, water purity, dissolved oxygen level, and pH level for quality processing.
- 🏆 99.9999% PURE SILVER. We use raw ore-argentite mixed with an inorganic compound that forms into a potassium solution and when combined with Zn30 forms into an alkaline solution and precipitates the silver solution that is fused together with niter and then electrolytic purify it to become pure silver to create our famous feminized solution. Our product is tested using our single particle ICP-MS to ensure the correct ppm of silver needed to feminize a plant.
- 🏆 SAFE AND EFFECTIVE. It is specifically designed for plants, however it is completely safe to humans but not intended for consumption.
- 🏆 EASY INSTRUCTIONS. Choose a plant that has not started flowering and is at least 2 weeks in the vegetative stage. Spray one entire branch 3-4 times a day for 2 to 3 weeks. When the treated branch’s pollen sacks ripen, carefully dust your female flowers with the pollen. Continue growing until feminized seeds mature, which is at least one week past its normal harvest date.⭐⭐⭐⭐⭐
Tiresias Mist Feminized Seed Spray | 4 ounces Bottle for Growing All Female Pollen and See…
If you’re a grower, then you know that the key to a successful harvest is having all female pollen and seeds. But sometimes, nature doesn’t cooperate. That’s where Tiresias Mist comes in. This feminized seed spray is a safe, non-toxic plant flower formula that is effective and reliable. It comes in a 4 ounce bottle, and it is easy to use. Just spray it on your plants, and you’ll be able to produce all female pollen and seeds. So if you want a successful harvest, make sure you get Tiresias Mist.
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- 🌱 100% FEMINIZED SEEDS: Tiresias Mist is the most reliable, safe and effective alternative for producing feminized seeds. One bottle is all it takes to provide enough solution to one branch that will produce female pollen. Transfer that pollen to the flowers of a dioecious plant and it will produce 100% feminized seeds. No more guessing!
- 🌱SAFE + FUN: Tiresias Mist is made of natural minerals and is non-toxic, non-allergenic and will not cause harm to humans, plants or pets. However, the stem being treated should not be consumed (it will be covered with pollen sacs). Most importantly, have fun, get crazy and be excited to start your own experiments. You now have the ability and the freedom to produce your own female seeds and save your favorite strains!
- 🌱 HOW IT WORKS: Whether you’re an amateur or a pro grower, Tiresias Mist makes it simple for anyone to create their own feminized seeds. 1 ounce will treat one branch of a plant to produce feminized seeds on the same plant or to produce genetically female crosses with other plants. Treating one branch enables that one branch to create male characteristics (pollen sacs) through which the pollen can be used to pollinate the flowers of the rest of the plant and produce feminized seeds.
- 🌱 HOW TO USE: Choose a plant that has not started flowering and is at least 2 weeks in the vegetative cycle (about 5” height). Spray one entire branch (not foliage), 3-4 times a day for 14-21 days. Before the pollen sacs open, cut off the branch, place it in a glass of water and wait for development to finish. At the same time, continue growing the plant until female flowers are showing. When ready, carefully dust your female flowers with pollen. Continue growing until feminized seeds mature.
- 🌱 BEST BENEFITS: By using Tiresias Mist, you not only gain all female seeds, but you also no longer have to wait weeks for deliveries and it allows you to create your own strain. Additionally, a tap root from a seed will produce higher yields and you can store seeds for future use and crop timing. It’s easier to transport seeds as opposed to seedlings or clones.
Cannabinology 16 oz Refill Kit – 2 oz/60 ml Silver Thiosulfate Solution (Makes 16 oz STS S…
This kit includes everything you need to make your own feminized seed spray. It includes a 2 oz bottle of silver thiosulfate solution and a 16 oz empty spray bottle. Just add water to the silver thiosulfate solution and shake well. Then, simply spray your plants with the solution. The silver thiosulfate solution will reverse the sex of your plants, making them female. This is a great way to ensure that you get female plants when you grow your own cannabis.
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- EASILY MAKE 100 percent FEMALE SEEDS: The Cannabinology STS Spray Kit is easier to use and more effective than Colloidal silver and other reversal methods. This kit contains everything you need to sex reverse female plants and produce feminized seeds at home or in a commercial setting. This proprietary Silver Thiosulfate formula is proven to provide ease of use, accuracy, and repeatability to breeders across the country and around the world. Start your breeding journey today!
- SAFE & SCIENTIFIC: Cannabinology STS Spray is safe, non-toxic, and non-allergenic. However, a plant that is treated with STS should not be consumed (it will be covered in pollen sacs anyway) and it can stain fabrics. It’s always a good idea cover up and wear gloves when doing scientific work!
- HOW IT WORKS: The Cannabinology STS Spray Kit contains a proprietary aqueous formula of Silver Thiosulfate (STS). When applied to plants at, Silver Thiosulfate (STS) blocks the action of ethylene, the ‘female’ hormone in plants. Blocking ethylene forces a female plant to produce male-type flowers, pollen sacks, and pollen. Since this pollen was made by a female, the pollen can be used to pollinate a non-treated female plant (or branch) creating feminized seeds which will be 100 percent female.
- HOW TO USE: Whether you’re just starting your breeding journey or are a seasoned breeder Cannabinology STS Spray Kits make it easy to make feminized seeds. Add water then a small amount of soap to the STS Spray bottle. Apply STS Spray to a female plant starting on day 1 of flower; repeat every 5 days until day 20 – 30. Pollinate a non-treated female plant. Grow the female plant until seeds are mature. For important tips on using Cannabinology STS Kits, see the included instructions.
- BENEFITS: Cannabinology STS Spray Kits provide new and seasoned breeders the easiest method of reversing female plants and producing feminized seeds. You can easily save your favorite phenotypes, produce new feminized crosses, and even flush out rare genotypic or phenotypic traits.
- Department name: unisex-adult
Cannabinology 8 oz/240 ml Silver Thiosulfate Spray Kit | Feminized Seed Spray | STS Spray …
Cannabis plants are either male or female, with female plants producing the buds that contain high levels of THC. Male plants are usually discarded, but they can be used to produce feminized seeds. STS Spray Kit is a product that allows you to turn male plants into female plants, producing feminized seeds. The kit includes an 8 oz bottle of silver thiosulfate solution and a spray bottle. Simply mix the solution and spray it on the male plants. The silver thiosulfate will reverse the plant’s sex, causing it to produce feminized seeds. This is a great way to produce your own feminized seeds, and it’s also an environmentally friendly way to recycle male plants.
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- EASILY MAKE 100 percent FEMALE SEEDS: The Cannabinology STS Spray Kit is easier to use and more effective than Colloidal silver and other reversal methods. This kit contains everything you need to sex reverse female plants and produce feminized seeds at home or in a commercial setting. This proprietary Silver Thiosulfate formula is proven to provide ease of use, accuracy, and repeatability to breeders across the country and around the world. Start your breeding journey today!
- SAFE & SCIENTIFIC: Cannabinology STS Spray is safe, non-toxic, and non-allergenic. However, a plant that is treated with STS should not be consumed (it will be covered in pollen sacs anyway) and it can stain fabrics. It’s always a good idea cover up and wear gloves when doing scientific work!
- HOW IT WORKS: The Cannabinology STS Spray Kit contains a proprietary aqueous formula of Silver Thiosulfate (STS). When applied to plants at, Silver Thiosulfate (STS) blocks the action of ethylene, the ‘female’ hormone in plants. Blocking ethylene forces a female plant to produce male-type flowers, pollen sacks, and pollen. Since this pollen was made by a female, the pollen can be used to pollinate a non-treated female plant (or branch) creating feminized seeds which will be 100 percent female.
- HOW TO USE: Whether you’re just starting your breeding journey or are a seasoned breeder Cannabinology STS Spray Kits make it easy to make feminized seeds. Add water then a small amount of soap to the STS Spray bottle. Apply STS Spray to a female plant starting on day 1 of flower; repeat every 5 days until day 20 – 30. Pollinate a non-treated female plant. Grow the female plant until seeds are mature. For important tips on using Cannabinology STS Kits, see the included instructions.
- BENEFITS: Cannabinology STS Spray Kits provide new and seasoned breeders the easiest method of reversing female plants and producing feminized seeds. You can easily save your favorite phenotypes, produce new feminized crosses, and even flush out rare genotypic or phenotypic traits.
- Department name: unisex-adult
What To Look For In A Feminized Seed Spray Before Buying A New One
Price
The cost will depend on the model you choose, what your budget is, and where you live. If you have a specific price range in mind, it can help to know the average price of the best feminized seed spray you’re thinking of buying.
To find out the average price, you can look at the current market prices, which are generally posted online.
Brand Value
This refers to the amount of money you should expect to spend on the best feminized seed spray. It’s important to know what to look for in a feminized seed spray before you buy. For example, does the company have a good history of providing top-quality products?
Is it possible for them to provide you with a trial? And if so, how long will that last? If you’re looking at a high-end brand, make sure they are willing to stand behind their product. This is not always the case, so read the fine print carefully before you commit to any type of purchase.
Durability
Durability is essential for any feminized seed spray because it will impact its lifespan, so you need to know what you’re buying before you buy it. This is especially true if you’re purchasing a feminized seed spray online. Some models may last even longer and some may only last a few months. This is why it’s so important to buy a feminized seed spray that is designed well.
You’ll want to be sure to pay attention to the durability specifications of the feminized seed spray you choose, as this will greatly impact its lifespan. So it’s important to know exactly what your needs are before buying a feminized seed spray, as this will help you to decide the best feminized seed spray to choose.
Features
It’s not enough to have a good feminized seed spray – it needs to be made with the right materials and features to meet your expectations. Specifications aren’t always easy to find. They may be hidden within the fine print, or they might be presented in a way that’s hard to understand.
Here are some tips to make sure you’re getting the most accurate information about the feminized seed spray you’re looking at. The Material It should go without saying that you want to know what materials are used in a feminized seed spray.
Customer Ratings
In general, customer ratings are a good indicator of how well a feminized seed spray will hold up over time. The higher the star rating, the better it is likely to perform, especially long term.
For this reason, it’s important to note that the star ratings on this page are based on the latest information we have available to us at the time of writing. New feminized seed sprays may be released soon after the date you read these reviews, so please check back regularly as this page will be updated as necessary.
Design
When you’re buying a feminized seed spray, you need to think about what it looks like first. It’s important to know that some people enjoy the “industrial look,” while others like the “contemporary” design. It’s important to know what style appeals to you, as this will help you find your perfect match.
Frequently Asked Questions Related to feminized seed spray
1. What is feminized seed spray?
Feminized seed spray is a type of plant hormone that is used to promote female characteristics in plants. This hormone is typically used on seedlings or young plants in order to encourage them to produce more female flowers.
2. What are the ingredients in feminized seed spray?
The ingredients in feminized seed spray are typically a mix of hormones and chemicals that work together to force a plant to produce female flowers. This can be done by altering the plant’s natural hormone levels, by applying chemicals that mimic the effects of hormones, or by a combination of both.
3. How does feminized seed spray work?
Feminized seed spray is a plant hormone that helps to produce female flowers on plants that are normally male. This can be useful for farmers who want to produce seedless fruits or for breeders who want to create new strains of plants.
4. When is the best time to use feminized seed spray?
Feminized seed spray is best used when the plant is in the flowering stage.
5. How often should you use feminized seed spray?
Feminized seed sprays are typically used every 2-3 weeks.
6. How long does feminized seed spray take to work?
The feminized seed spray takes about three weeks to work.
7. Is feminized seed spray safe to use?
Yes, feminized seed spray is safe to use. There are no known harmful side effects associated with using this type of spray.
8. Are there any side effects of using feminized seed spray?
There are no known side effects of using feminized seed spray.
9. How should feminized seed spray be used?
Feminized seed spray should be used according to the manufacturer’s instructions.
10. What are the benefits of using feminized seed spray?
Some benefits of using feminized seed spray are that it can help produce female plants, it can help reduce the number of male plants, and it can help increase the yield of female flowers.
End Note
Overall, feminized seed spray is a great way to ensure that your plants are female. By using this method, you can be sure that your plants will produce female flowers, and ultimately, more buds. This method is also relatively easy to do, and does not require any special equipment.
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