10 Best Fertilizer for Flowers 2021 [Top Picks & Guide]

Flowers are the symbol of beauty and pride. But what’s the significance of your flower garden if it has a poor set of blooms or no blooms? To promote flowering, you must provide good fertilizer as well as sun, good soil, and water.

Different types of fertilizer for flowers are available in the market today. All may not be the perfect choice for flowers.

Now the question; what is the best fertilizer for flower gardens?

In a nutshell, the organic, inorganic, granular, liquid or water-soluble fertilizer that is specially formulated for flowers, contains a higher amount of phosphorus or a balanced ratio of NPK and other nutrients. And most important, the best flower fertilizer doesn’t contain any toxic substance.

For your convenience, here I have listed and reviewed the best fertilizer for flowers that will help you to pick the best fertilizer for your flowering plants and beds.

In A Hurry? Here is the best all-around fertilizer for flowers and flower beds that you may pick right now-

Best Fertilizer for Flowers-Comparisons

FertilizerNPKFormTypePrice
Jobe’s Organics 09423 Fertilizer3-5-3GranularOrganic
Osmocote Smart-Release Plant Food14-14-14GranularSynthetic
Miracle-Gro Water Soluble Food15-30-15GranularSynthetic
Bayer Advanced Flower Care9-14-9LiquidSynthetic
Dr. Earth 707P Bud & Bloom Fertilizer3-9-4GranularOrganic
J R Peters Jacks Classic Fertilizer10-30-20GranularSynthetic
Espoma FT4 Flower-Tone3-4-5 GranularOrganic
Jobe’s Fertilizer Spikes10-10-4SpikeSynthetic
EcoScraps Plant Food4-6-3GranularOrganic
Flower Fuel Fertilizer1-34-32GranularSynthetic

Best Fertilizer for Flowers-Reviews

1.Jobe’s Organics 09423 Fertilizer

Jobe’s 09423 Organics Flower & Rose Granular FertilizerJobe’s Organics 09423 Fertilizer is the best organic fertilizer for flowers that is specially formulated for roses and flowers. Also, it has an OMRI certificate as evidence of its organicness.

According to the granular analysis, It has 3% nitrogen,5% phosphate, and 3% potash to promote lush green leaves, healthy roots, and blooms. 

Also, It contains 1.1% water-soluble, and 1.9% water-insoluble out of total nitrogen. You will be happy to know, the water-soluble nitrogen feeds the flowering plant instantly and water-insoluble nitrogen feeds the plant continuously for a certain period of time.

This fertilizer is also fortified with some other essential plant nutrients including 9% calcium,0.5% magnesium, and 1% sulfur.

And you know, it is an organic fertilizer. That means it has no synthetic chemicals. It is derived from some organic ingredients such as feather meal, bone meal, poultry manure, and sulfate of potash.

As the non-plant foods, it has a healthy blend of archaea, bacteria, and endomycorrhizal fungi and it breaks down organic materials, improves the soil health, and makes the plant healthy and resistant.

Pick this best fertilizer for annual and perennial flowers, feed your plants by following the label directions, and promote the flowering.

 

2.Osmocote Smart-Release Plant Food Flower & Vegetable

Osmocote Smart-Release Plant Food Flower & VegetableOsmocote Smart-Release Plant Food Flower & Vegetable is the best slow-release fertilizer for flower production. It is specially formulated for flowers and vegetables to promote foliar growth and long-lasting blooms.

It has 14% nitrogen,14% potassium and 14% potash.That means it has a 14-14-14 NPK ratio and it is the best NPK ratio for flowering that helps you plant to produce vibrant and robust blooms.

It is synthetic fertilizer that is derived from some non-toxic chemicals and great news; This fertilizer has no urea nitrogen. It only contains 8.2% ammoniacal and 5.8% nitrate nitrogen. You will be happy, these aren’t aggressive like urea nitrogen that reduces the chance of burnings.

Also, this fertilizer has some other essential plant nutrients to meet the nutritional demand of your flowering plants.

The best part of this fertilizer is-

The nutrients of the fertilizer have been coated with a semi-permeable resin that helps the nutrients to release continuously up to 4 months. Also, it can increase their availability based on the plant demands that’s why it is called smart release fertilizer.

For feeding the fertilizer to your in-ground, potted, or hanging flowers basket-

Measure the fertilizer according to the label directions, sprinkle the pre-measured fertilizer around the plant base, mix into the surface soil, and water the plant thoroughly.

 

3.Miracle-Gro Water Soluble Bloom Booster Flower Food

Miracle-Gro Water Soluble Bloom Booster Flower FoodMiracle-Gro Water Soluble Bloom Booster Flower Food is the best bloom booster fertilizer for flowers that is formulated for annual and perennial flowering plants. You can feed this fertilizer to your indoor, outdoor, window boxes, and hanging flowering plant to produce more blooms.

As the primary nutrients, this fertilizer contains 15% nitrogen,30% phosphate, and 15% potash. As you saw, the middle number is higher and you know a higher amount of phosphate is essential for flowering.

This fertilizer has 9.2 % urea nitrogen that feeds your plant quickly but remember, urea nitrogen is more aggressive than ammoniacal or nitrate nitrogen. So, follow the label directions to avoid overfeeding. Overfeeding of urea nitrogen may burn the leaves of the plants, though the manufacturer claims it doesn’t harm the plants.

Also, this fertilizer contains some other essential plant nutrients such as  0.02% boron,0.07% copper,0.15% iron,0.05% manganese,0.06% zinc and 0.0005% molybdenum.

Good news; Most of the micronutrients have a coat to protect them from soil reaction and keep them always available for plants.

This fertilizer comes with a water-soluble formula that feeds the plant quickly. But for better results, you need to apply it more frequently. Measure and mix the fertilizer into the water and apply once per 7-14 days to get the perfect blooms.

 

4.Bayer Advanced 701260 All-In-One Rose and Flower Care Concentrate

Bayer Advanced 701262 All-In-One Rose and Flower Care ConcentrateBayer Advanced 701260 is a triple-action flower care product. That means it acts as a fertilizer, fungicide, and insecticide. Let’s see what inside this the fertilizer container-

As a fertilizer, it has 9% nitrogen,14% phosphate,and 9% potash. According to the NPK ratio, we knew it has a higher amount of phosphate and that is required for more blooms. Also, the other nutrients help your flowering plant to produce green foliage and strong roots.

The nutrients of this fertilizer are derived from some safe and non-toxic chemicals that feed the plants without the risk of burning but it also has some urea nitrogen. So, you should be careful about overfeeding.

As the fungicide, it contains 0.8% tebuconazole. Tebuconazole is a systemic fungicide that can control and prevent most of the fungal diseases of the plants including powdery mildew, black spots, and rust.

As the insecticide, it contains 0.15% imidacloprid. Imidacloprid is a systemic insecticide that can kill most of the garden insects including Japanese beetles, aphids, leafminers, caterpillars, and moths.

This all in one flower care comes with a systemic concentrate formula. You need to dilute the solution before applying the plants. Also, it is available in granular form.

So, pick this best fertilizer for flowers and shrubs and produce healthy disease and insect free plants and blooms.

 

5.Dr. Earth 707P Organic Bud & Bloom Fertilizer

Dr. Earth 707P Organic 8 Bud & Bloom Fertilizer Dr. Earth 707P Organic Bud & Bloom Fertilizer is another best organic fertilizer for flowers. It is an OMRI listed organic fertilizer that has no toxic chemicals. Let’s analyze this fertilizer-

The NPK ratio of this fertilizer is 3-9-4. That means it has 3% nitrogen.9% phosphate and 4% potash for producing green leaves, strong roots, and blooms.

Good news; the total amount of the nitrogen is water-insoluble nitrogen and you know water-insoluble nitrogen dissolves slowly and feeds plants continuously.

This fertilizer also has some other macro and micronutrients. All the nutrients of this fertilizer are derived from some organic and natural compounds such as fishbone meal, alfalfa meal, feather meal, soft rock phosphate, and potassium sulfate.

The best parts of this fertilizer;

It contains a healthy and natural blend of soil microbes plus ecto and endo mycorrhizae fungi to improve the soil health and make the plant healthy and resistant. Also, it has 4.5% humic acid to protect the plant from environmental stress.

It comes with a granular formula and it can be fed to all the flowering plants including roses, hibiscus, and some other plants such as fruits, bougainvillea, vines, and citrus.

 

6.J R Peters Jacks Classic Blossom Booster Fertilizer

J R Peters Jacks Classic Blossom Booster FertilizerJ R Peters Jacks Classic Blossom Booster Fertilizer is the best water-soluble fertilizer for flowers that can help the annual and perennial flowering plants including bougainvillea, hydrangeas(recommended reading hydrangea  plant food) to produce healthy and long-lasting blooms quickly.

According to the NPK number, it has 10% nitrogen,30% phosphate, and 20% potash. The higher amount of phosphate promotes more buds and blooms. Additionally, the perfect NPK ratio makes the plants healthy and strong.

This is the urea free fertilizer that is fully occupied with some other macro and micronutrients such as 0.5% magnesium,0.02% boron,0.05% copper,0.1% iron,0.05% manganese,0.05% zinc, and 0.0009% molybdenum.

Good news; most of the micronutrients have a chelated coat to protect them from different types of soil reaction and keep them always available for flowering plants.

It is a synthetic fertilizer that has no toxic chemicals. Also, the fertilizer comes with a water-soluble form and you know water-soluble fertilizer feeds the plant more quickly but you need frequent application for better results.

So, pick this nutrient-enriched fertilizer for your indoor and outdoor flowering plants. Mix the fertilizer into the water and help the plants to produce bigger blooms.

 

7.Espoma FT4 Flower-Tone  Blossom Booster Plant Food

Espoma FT4 4-Pound Flower-tone blossom booster Plant FoodEspoma is a brand that has been producing some organic products for 90 years. They design a product for a specific plant. Here is the flower tone fertilizer from Espoma that has specially designed for annuals & perennials flowering plants in the landscape, garden beds, raised beds, and in containers, pots, or hanging baskets.

This fertilizer has 3% nitrogen,4% phosphate, and 5% potash for green leaves, strong roots, and abadantant blooms.

You will be happy to know, it has no urea nitrogen and contains 2.2% water-insoluble nitrogen. You know, water-insoluble nitrogen releases slowly and feeds the plant continuously. Also, it has 0.6% of water-soluble nitrogen that can feed your hungry plants instantly.

Besides NPK,it contains 12 other essential plant nutrients including 5% calcium,0.5% magnesium,and 1% sulfur.

All the nutrients of this fertilizer are formulated from some organic and natural compounds such as feather meal, bone meal, poultry manure, alfalfa meal, greensand, sulfate of potash, and magnesia.

The most likable feature of this fertilizer is-

It has colony-forming units that improve soil fertility, produce more roots, and makes the plant healthy and resistant. Also, it has 1% humic acid as the stress reviver that protects your plant from heat and water stress.

 

8.Jobe’s Fertilizer Spikes for Flowering Plants

Jobe’s Fertilizer Spikes for Flowering PlantsIf you are looking for an easy-to-use fertilizer for your flowering plants, then here is the best spike fertilizer for flowers. It comes with an easy-to-use spike form. You don’t need measuring or mixing. Simply push into the soil and let the plant feed.

This fertilizer has 10-10-4 NPK number. That means it has 10% nitrogen,10% phosphate, and 4% potash. The balanced NPK ratio is perfect for healthy plants with lots of colorful blooms.

You know, spike fertilizer has a lower chance of runoff with surface water and releases the nutrient when the plants want. There is no exception to Jobe’s Spike Fertilizer. It also feeds the plant continuously and safely for 2 months.

This is the synthetic fertilizer but it doesn’t contain any toxic chemicals. So, you can feed this fertilizer without the risk of your health and plant damage.

It is the best fertilizer for flower planters. Because the fertilizer is specially formulated for indoor and outdoor potted flowering plants. But you can also apply it to your inground flowering plants and shrubs also.

To feed this fertilizer-

Take one or more spike fertilizer according to the pot or plant diameter and simply push into the soil near the stems of the plants.

 

9.EcoScraps for Organic Gardening Rose & Flower Plant Food

EcoScraps for Organic Gardening Rose & Flower Plant FoodHere is the another best plant food for flowers from EcoScraps.It is a specially formulated fertilizer for annual and perennial flowering plants and shrubs that you can feed all indoor and outdoor flowering plants, new flower beds, and flower seedlings.

This fertilizer has 4% nitrogen,6% phosphate and 3% potash.This the perfect NPK ratio for producing superb and healthy blooms. Also, this fertilizer contains some other plant nutrients that are derived from some organic ingredients.

It comes with granular form. Measure the granular fertilizer according to the label directions. Sprinkle around the plants and water the plant to feed this fertilizer to flowering plants.

So, pick this best fertilizer for your flowers and help your plants to produce colorful and vibrant blooms.

 

10.Flower Fuel  Fertilizer

Flower Fuel  FertilizerFlower Fuel Fertilizer is a quick-acting fertilizer for flowers. It has vitamins, amino acids, oil, resin content, and some organic ingredients that give you the bigger blooms.

As the primary nutrients, it has 1% nitrogen,34% phosphate, and 32% potash. The middle number of the NPK ratio is higher than other nutrients. That means it has a higher amount of phosphorus and phosphorus is essential for buds and blooms.Also,this fertilizer has 2.1% sulfur,0.03% boron and 0.0006% molybdenum.

It comes with water-soluble granular form and the fertilizer contains both organic and synthetic chemicals. Also, this fertilizer can be applied to the soil, aeroponic, hydroponic, and coco systems.

The bottom line; this fertilizer contains 40 proprietary ingredients. So, pick this best fertilizer to make flowers bloom.

 

When is the Best Time to Fertilize Flowers?

The plants need fertilizer when they are in an active growing stage and the spring is the season when the plant grows most. That’s why spring is the best time to fertilize flowers.

So, apply fertilizer to your flowering plant in spring and stop feeding before the frost comes.

How to Fertilize Flowers?

The fertilizer application procedure depends on the type of fertilizer and the size of your lands or planters. Here is the best way to fertilize flowers-

Step 1:Choose the Right Fertilizer

This is the first and foremost step of fertilizing the flowers. You need to choose the best fertilizer for flowers. Flowering plants love any type of fertilizer including organic, inorganic, water-soluble, granular, and spike. You can pick any type of flower fertilizer from reputable brands.

Step 2:Measure and Dilute the Fertilizer

Measure the fertilizer according to the plant, pot, or bed size and mix the pre-measured fertilizer into water. You only need to prepare the solution for water-soluble and liquid fertilizer.

Step 3:Apply the Fertilizer

Granular Fertilizer: Sprinkle the pre-measured fertilizer by hand or spreader and water the plants and beds.

Liquid and Water Soluble Fertilizer: Pour the pre-mixed solution on the base of the plant thoroughly. If the solution is safe for foliar, then spray on the foliage of the plants.

Spike Fertilizer: Take one or more spikes according to the plant and planter size and push the spike into the 1-3 inches soil near the plant stems and apply water.

Homemade Fertilizer for Flowers

Recipe- DIY Bloom Booster Fertilizer for Flowers

Items Required:

  1. Coffee Grounds
  2. Fish Bone
  3. Banana Peels

Procedure:

  1. Cut the banana peels and fishbone with scissors into small pieces.
  2. Dry the small pieces of banana peels and fishbone in full sun and grind them.
  3. Mix 1 cup coffee grounds,2 cups crushed fishbone and 1 cup crushed banana peels.
  4. Sprinkle the mixture around the plant base and apply water.

Note: Coffee Grounds, Fish Bone, Banana Peels provide NPK respectively. Also, they provide some other plant nutrients.

Frequently Asked Questions

#Is ground coffee good for flowers?

Coffee grounds provide nitrogen to your flowering plants and nitrogen is essential for green leaves. So, coffee grounds may be good for flowers but too much coffee grounds prevent flowering. If the plant has lush green bushy leaves, then don’t apply coffee grounds to your flowers.

#Is Epsom salt good for flowers?

Epsom salt provides magnesium to your plants and magnesium is required for cell wall development. So, mix 1 tablespoon Epsom salt into a gallon of water and pour the solution on the base of the plants.

#Is sugar water good for flowers

Yes! Sugar water is good for flowers. Sugar water helps the buds to bloom and it can also increase the activity of beneficial insects that increases the pollination as well as blooms.

Conclusion

Everyone loves to enjoy flowering plants with lots of colorful blooms. Without feeding the right fertilizer, you don’t get the desired blooms. So, if you make your neighbor and passer-by jealous, apply the right fertilizer to your flowering plant.

I hope you found the best fertilizer for flowers. Now read the label of your fertilizer, measure the fertilizer according to the label directions, apply to the plants, and get the desired blooms.

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