Best Bloom Boosters 2021 – Reviews & Buyer’s Guide

If you need to cultivate flowering or maybe fruit plants, the best bloom boosters can help provide them with the added nutrients required to fulfill their full potential. Everyone likes their plants and fruits to be harvested in such a way so that they bloom as much as possible. Bloom boosters can help out as they tend to be packed with essential minerals and are formulated to increase the harvest size, sweeten fruits, along with encouraging healthy root development to occur. You can find many bloom boosters that it becomes tough to select a good one. The below explanation aims to help you with this.

Best Bloom Boosters Reviews in 2021

1. Fox Farm FX14049 Liquid Fertilizers Nutrient Trio Soil

# Fox farm bloom booster

Fox Farm FX14049 Liquid Nutrient Trio Soil Formula: Big Bloom, Grow Big, Tiger Bloom

Put this all together. This set is a fox farm bloom booster. Buyers have asked for a 3-pack of the liquid fertilizers, & here it’s: Tiger Bloom, Big Bloom, and Grow Big.

You can use these in a sequence for the luscious fruit and brilliant blooms during the whole season. Begin with the Grow Big to have abundant green growth. Then, switch to the Tiger Bloom when you see the 1st sign of flowering or bud set.

Next, you will need to use Big Bloom during all cycles of growing to heal the root systems & boost nutrient cycling. These are perfect for late-season and mature fruits and flowers.

Product highlights
  • These are 3-pack liquid fertilizers of your choice from Fox Farm.
  • You can get benefits by having the right juice for the right purpose.
  • Ideal for mature fruits and flowers.

2. J R Peters Jacks Classic No.4 10-30-20 Blossoms Booster Fertilizer

# Best bloom nutrients

J R Peters Jacks Classic No.4 10-30-20 Blossom Booster Fertilizer - 51064

The blossom booster fertilizer releases different nutrients. It does so gradually for four months of rapid growth. It is also blended with the boosted micro – nutrients package.

The package offers maximum nutrition for green foliage as well as strong roots. This fertilizer does feature the greatest safety element in order to prevent the burning while it is applied according to given directions. There is also one free measuring spoon.

This measuring spoon is enclosed for precise and easy application. TJR Peters jacks Classic Blossom Booster Fertilizer is available in three sizes. The first one is available in 1.5 pounds jar. The second jar is of 4 pounds. And, the last one comes in 8 ounces jar. This blossom booster fertilizer also contains the best bloom nutrients that are beneficial for roots.

Product highlights
  • Free measuring spoon.
  • Highest safety factor.
  • Provides optimal nutrition.

3. Miracle-Gro 146002 Water Soluble Blooms Booster Flower Food For Large Plant

Miracle-Gro 146002 Water Soluble Bloom Booster Flower Food, 10-52-10, 4-Pound

Miracle-Gro 146002 Bloom Booster Flower Food helps in promoting large plants as well as beautiful blooms. It has double feeding action that is it can feed through the leaves and the roots.

This flower fuel fertilizer is also safe and secure for the plants. It provides a guarantee not to burn if used according to given directions. This is great in starting to work immediately.

The Bloom Booster Flower Food is quite heavy on the nutrients. It develops the roots and root systems. It also assists in developing the blossoms and flowers which develop into vegetables as well as fruits.

You can use the miracle grow food flower in the miracle grows garden feeder as well. You can also use this alone and get marvelous results.

Product highlights
  • For every blooming plant.
  • Instantly feeds.
  • Feed after two weeks.
  • Prevents burning and overfeeding.

4. Advanced Nutrients 2320-15 Bud Candy Fertilizer

Advanced Nutrients 2320-15 Bud Candy Fertilizer, 4 Liter

The time you tried cotton candy at the local Fair, it’s a pure delight which melted in the mouth & left your hands gooey & sticky. The smells as well as taste, this drove you completely crazy.

And, not only this, but you also got a big sudden jolt of the energy from that sweet stuff & had the best time. You might now bring the Bud Candy to the plants & then get the same experience again.

Plus, savor the nice smells & tastes that you have always liked while bringing out your plants’ complete genetic potential.

You are guaranteed that you would see the plants eating so much carbohydrate energy as well as humic acid. Hence, your flowers would swell up the bloom phase & you would stagger under the sugarcoated harvests’ weight.

Product highlights
  • Large flowers, more resins, and more taste.
  • Strong plant immune systems.
  • Great aroma.

5. Advanced Nutrients GL525050-12 Big Bud Liquid Fertilizer

Advanced Nutrients Big Bud Liquid Fertilizer, 1-Liter

In case, you are somebody who does like to purchase stuff in bulk, and you have got so many plants and flowers to tend to. Then, this 1-liter Big Bud Advanced Nutrients Liquid Fertilizer is an ideal fertilizer to buy.

This is also regarded well as one of the top Big Bud liquid fertilizers. It would assist you in producing substantial yields that make the product worth each cent. It is natural bud booster.

Plus, you could use this liquid fertilizer if you grow plants in the soil or hydroponically grown. It consists of a lot of nutrients that cannabis plants actually love – potassium, L-amino acids, and phosphorous.

You can use it for your plants. Because many professional cannabis growers have liked this product. Then, watch your beautiful flowers grow faster. And being quite fruitful, the flowers would also have the nice aroma of 7 potencies.

Product highlights
  • Large, dense, and heavy flowers.
  • Flowers having more essential phenols, oils, terpenoids, aromatics, & other potency elements.

6. Advanced Nutrients GL522100-14 B-52 Booster Nutrient Uptake Fertilizer, 1 Liter, Brown/A

Advanced Nutrients GL522100-14 B-52 Booster Fertilizer, 1 Liter, BrownA

B-52 is formulated for giving your plants an energy boost by increasing the metabolism. It also boosts nutrient uptake by giving naturally occurring vitamins and hormones which plants cannot get anywhere else.

B-52 is perfect for sphagnum Moss, hydroponic, and soil or other growing mediums. As the foliar spray or in reservoirs or as the standalone supplement feeding, you can use it during the entire lifetime of your plants that is from seed to harvest.

Human beings want B vitamins and so do the crops. That is why we are providing you a huge dose of B vitamins through the B-52 formula. It is the best organic bloom booster.

Plus, you can use this product from beginning to end for the crops and apply as the root zone feed or foliar spray.

Product highlights
  • Boosts root growth and seed germination.
  • Contains B-52.
  • Consists of water-soluble hamates.

7. General Hydroponics Liquid Kool Bloom Fertilizers, 1-Quart

General Hydroponics Liquid Kool Bloom Fertilizers, 1-Quart

Hydroponics Liquid Kool Bloom Fertilizers is the bulking agent who goes far way beyond many other bloom fertilizers. It contains stress reducing nutrient transporting acids and vitamins. It is as useful as a homemade bloom booster.

It boasts heavy fantastic flavors, essential oil production, & increases the development of flowers and fruit. You should use the Liquid Kool Bloom at the beginning of the reproductive cycle initiating heavier and larger flowers and fruits. You can use it on hydroponic systems.

And, during the last 2 weeks, you need to use the dry Kool Bloom for more bloom boost & for facilitating the ripening. There are some sites that you should not stock in every location.

Liquid Kool Bloom is always used early & continually helps in building up the flower production. And, dry Kool Bloom is always used later that is in the bloom phase for increasing yield, weight, & to encourage fast ripening.

Product highlights
  • Encourages flowering in abundance.
  • Facilitates ripening.
  • Raises the production of fragrances and essential oils.

8. Nectar for the Gods Herculean Harvest Solution Quart (12/Cs)

# Best bud enhancer

Nectar for the Gods Herculean Harvest Quart (12Cs)

Herculean would make things occur. It is enriched in calcium phosphate that is the liquid bone meal that serves 2 main purposes in the indoor plant garden.

Hence, as an ideal feed, Herculean would enhance solid stems, strong cell strength, & heavy fruit. And, as the flush, the bone meal would tie up the unwanted salts & facilitate uptake of the macronutrients.

Calcium phosphate, in this product, serves two major purposes in an indoor garden. As a feed, Herculean will promote stronger cells strength, solid stems, and heavier fruit. As a flush, a bone meal will tie up unwanted salts and facilitate the uptake of macronutrients.

During blooming, you can also use its more quantity. You could use the product from beginning to end as it provides the plants enough amount of calcium that can hold together the cell walls and cell division. You can use it per gal in the flowers growing in cocoa as it is the best bloom booster for coco.

Product highlights
  • Ensure it fits by entering the model number.
  • Herculean would make things happen.
  • Enriched with calcium phosphate.

9. Advanced Nutrients Bloom pH Perfect Fertilizer, 500 mL

In case, you mix the Advanced Nutrients Bloom pH with Micro and Grow. Then, you will get three-part base nutrients that give bud-building with the perfect ratio of phosphorus and potassium together with other factors to provide you rapid growth & a happy harvest day.

Bloom Fertilizer has been designed to use along with sphagnum, hydroponics, & other growing media.

It has also been made to use along with all hydroponics & non-stop liquid feed growing system (drain, aeroponic, flood, drip irrigation, NFT, and emitters).

You would not need to adjust the p. Also, you don’t need to worry about your plants that are not in a healthy growing environment. Hence, all you need to do is just put Sensi Grow in your water & “pH Perfect” will take care of everything.

Product highlights
  • Modern nutrients brand
  • Would work in hydroponics or soil
  • Is available in 500ml size

10. Flower Fuel 1-34-32, 250g – The Best Bloom Booster For Bigger, Heavier Harvests (250g)

Flower Fuel bloom booster is the hydroponic-grade and super from Element Nutrients. This is the bloom fertilizer that is designed to use on the top of your base flower nutrients.

This flower fuel fertilizer is also formulated from the top quality ingredients for producing the most flavorful and the largest crops possible. It’s done through encouraging the plants to absorb as well as utilize organic compounds and crucial nutrients at the accelerated rate.

It is also done with the complicated & proprietary mixture of top-end chelating agents, hormones, and vitamins, together with bio-available kinds of potassium and phosphorus. It means for you to have better and bigger plants that yield better and bigger harvests. So you can use this renowned bloom booster.

Product highlights
  • It’s a premium bloom booster
  • It is formulated to get large and dense harvests
  • Flower Fuel is one hundred percent hydroponic-grade


Do Bloom Boosters Work?

Some people may be thinking about this before wanting to buy bloom boosters. Bloom boosters claim to increase the number of flowers upon your plant. They are said to be fertilizers to be employed when it is the flowering phases of a plants growth.

A good bloom booster will have much phosphorus. This is a good nutrient needed for helping plants produce flowers that are large and vibrant. You need to know when to add this if you want it to work. A good time to apply this to your flowering plant is immediate as its flower buds start to form.

You should stop applying it to any perennial when the weather begins to turn colder. Care even needs to be present when aiding root vegetables to grow. There are many bloom boosters that will direct the growth to occur towards the leaves plus stems of these kinds of plants, rather than down into the roots.

What is a Bloom Booster?

Bloom Booster is a plant or flower bloom enhancer that has the perfect ratio of potassium, nitrogen, and phosphorus. This one is a fertilizer that people use to give their field ideal amounts of phosphorus for the best production of flowers. When your growth of plants is in the vegetative stage, you can use these chemical fertilizers. You can use it on many types of plants.

What are Synthetic Fertilizers?

For healthy plant growth, you need to give fertilizers. Synthetic fertilizers have an optimal nutrient blend on the levels of nitrogen, potassium, and phosphorus. This type of nutrients will absorb quickly than you think. It can high or low the concentrations. You can easily adjust them for having nutrients plants.

The ratio of nutrients is perfect to grow healthy plants and make fast the stage of development of the plants. You can also use them season after season as they are not organic. These are not that expensive like Organic Plant Foods.

Can phosphorus be toxic?

If you control the levels of phosphorus, then it won’t be considered toxic. But if your fertilizer has a high level of phosphorus, then the soil will tie with iron. So none of your plants will absorb the nutrients.

Does Potassium Boost Blooms?

Potassium is important for plant health. It can help you to grow your plants grow faster. However, if you use too much potassium, then it can give a bad effect. Moreover, flowering depends on the hormone level. So no matter how you increase the nutrient level, nothing will work. If you have a potassium deficiency in your plants, then you can use it.

Which one is better? Organic fertilizer or Synthetic Fertilizers?

Organi fertilizer can be beneficial for the stimulants garden soils micro – organisms and improve the condition of soil structure. Many organic cannabis growers have claimed these organic products work for a long time.

But when it comes to synthetic fertilizer, it can help you to fulfill chemical nutrients on the solid. It meets the exact nutrient requirements that you need. Moreover, it also costs cheap.

Buying Guide of Best Bloom Boosters

Getting the wrong bloom booster products for your plant yields can cause problems. So while getting flower fertilizers, you have to be careful. Before buying anything, there are some factors and effects that you have to consider as gardeners. You have to make your yield with high-quality soil. So if you are planning on gardening, then follow this buying guide. 

Read the product label

Reading the product label before buying a bloom booster plays a great role when it comes to choosing the best.  You need to make sure to read the optimum nutrients list. Your product needs nitrogen,  amino acids, potassium sulfate, calcium, molasses, zinc, sulfur, and active microbes. Other than this, make sure to read the instructions.

Know About the Yields

You should know about your yield before you use anything. Like beneficial microbes can help you to keep the soil in better condition even in the potential season. There are some products that you can only use in weather small gardens or larger gardens. 

Understand the Ratio of N-P-K

You have to understand the ratio of nitrogen, potassium, and phosphorus. If any of them are at a higher level, then it will be a bad option for you to use in your field. If you have the perfect potion, then you will have prolific blooms. You should keep the nutrient ratio natural.

Water-Soluble Fertilizers

Your liquid fertilizer should go well with water. Liquids ones are better than the powder ones as they have a tendency to go well with gallons of water. And it can go through plant tissue without any problems. So make sure to get the water-soluble fertilizers. It also helps in water retention.

Minor and Micro-Nutrients

There are also other nutrient additives such as Calcium, Magnesium, Sulfur. These are considered minor nutrients and micronutrients. These help in microbial activity. They make a complete fertilizer.

These steps can help you to choose one for yourself.

When to Add Bloom Booster, the Best Nutrients for Flowering Growth Stages!

Before the Flowering Stage of Growth

You should know when to apply the bloom boosters if you want them to work. It has been recommended that before blooming you should begin applying this fertilizer at the time that the plant is first starting to form buds. If you do this, then the plant will have much phosphorus present for other main functions, like the movement of water as well as chlorophyll production.

After Flowering Stage of Growth

You should apply the bloom booster every seven to around 14 days while your plant is in complete bloom. For vegetables, a fertilizer that has high phosphorus levels may aid in encouraging production within vegetable gardens. You can use the bloom booster on vegetables plus fruit vines that are developing buds size along with flowers in the mid – bloom or late stages.

Gradually stop using a bloom booster before the weather gets colder, therefore, allowing the plant to have time to prepare for the colder weather properly. See the dormancy recommendations for every species to know how to use the bloom booster.

Some Bloom Boosters Reviews- Bloombastic Review, Flower & Weed Fuel Fertilizer

Bloombastic is regarded as a high-quality type of cocktail consisting of bio-minerals plus bio-stimulators which is good for the last flowering moreover ripening phase (i.e., 4-6 weeks).

It can increase the sugar content of the crop and so its weight and smell. By increasing sugar and flower production, it gives thick, dense, and sweet-smelling flowers. It is a good product if you know how to use it properly.

Flower Fuel fertilizer is another bloom booster. It is a super-premium and hydroponic-grade type of bloom booster. It is made to be utilized on top of the favorite base flower nutrient that you have.

Using good quality ingredients, it aims to produce large and flavorful crops. It occurs by encouraging the plants to absorb plus use essential nutrients as well as organic compounds and that at a rate that is accelerated. Once again you need to know the method to use this properly if you want it to work.

Organics Bloom Fertilizer

You can find organic bloom fertilizers as well if you want a product that is organic. There are different companies that make organic bloom boosters. These can fulfill the Organic Nutrients of your garden such as plant extracts, etc. Check the one good for your plant and know how to use it.


You now have some information on bloom boosters so that you can look for a good one to use. It is important to know how this works if you want it to work. With these products, one needs to be sure they are using them at the correct time. Timing is vital because they work best when used at a certain time. If you are interested in getting the best bloom boosters, you should research the different products available. Check out which one will suit the particular plant you have. Also, know-how and when to use this product to get the best result. Pick your preferred bloom booster that will help your plants out.

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