10 Best Petunia Fertilizers That Will Produce Fantastic Flowers

21 Romantic Winter Vacations for Couples in the USPetunias are one of the most popular flowers out there - but what's the best way to fertilize them? After all, providing your plants with good nutrition is key to getting beautiful flowers.

With more than 20 species of Petunias, there are endless color, texture, and size options from which you can choose. These flowers are an excellent option for borders, containers, and the main garden. Their vibrant, trumpet-shaped blooms are showy and abundant. Planting petunias is an excellent way to brighten up any space. With that in mind, you will want to keep your plants happy and healthy. Fertilizer is a key component of its success.

Balanced fertilizers are one of the best options for your Petunias. Being balanced means that the three macro-nutrients have equivalent volumes; equal parts Nitrogen, Phosphorous, and Potassium, in that order. Fertilizers with an 8-8-8, 10-10-10, or 12-12-12 will greatly help your Petunias.

There are also other fertilizers with different levels of the macro-nutrients that will benefit your Petunias. The best time to treat your Petunias with fertilizer is beginning to mid-July, and every few weeks.

We have compiled a list of some of the best Petunia fertilizers on the market. Check out the links below!

1. Jack's Classic Petunia Feed

This fertilizer has been blended to precisely fit the needs of Petunias. Since Petunias don't absorb iron well in their root zone, this product was formulated to fill that need. It contains enhanced micronutrients that will produce lush, vibrant plants that endure any growing conditions.

Each bucket contains 1.5 pounds of product. You can order packs of 1, 2, 3, or 4 buckets. The low levels of phosphorous in this product help keep your Petunias looking fuller. This formula works excellently in hanging baskets or containers as well. Mix one tablespoon of fertilizer with one gallon of water and feed it every 7 to 10 days.

Customers who have bought and used this Petunia feed have reported that their Petunias have never looked better. Some said that within a week they could notice a drastic difference in the abundance of blooms that their Petunias produced.

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2. Jack's Classic All Purpose Fertilizer

Jack's Classic All Purpose Fertilizer is blended with an enhanced micronutrient package for optimal nutrition for green foliage and strong roots. This fertilizer works for both indoor and outdoor plant varieties.

People that have used this product say that it is hands down the best fertilizer on the market. Other customers have used this fertilizer for years and are very pleased with the results. This fertilizer is an excellent choice for your petunias!

If you love this product, you can purchase packs of 1, 2, 3, 4, or 5.

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3. Miracle-Gro All Purpose Plant Food

Miracle-Gro Water Soluble All Purpose Plant Food guaranteed bigger, more beautiful plants! It is full of essential nutrients that will make your petunias happy and healthy. This fertilizer is intended to be applied every 7-14 days.

People that have used this fertilizer say that it totally brought their plants back to life in a matter of days. Other customers say that a little bit goes a long way and that their plants love it.

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4. Southern Ag All Purpose Granular Fertilizer

Southern Ag's 10-10-10 balanced fertilizer offers an equal blend of the necessary nutrients plus additional minor elements. All granules are homogenous in size.

When you order this product, you'll receive a five-pound bag. Use one cup of fertilizer for every 25 square feet of garden space you want to fertilize. If you're using it in containers, decrease the amount of fertilizer that you use.

Customers who have used this fertilizer report that it's a great fertilizer that really helped their plants. People expressed that this product was exactly what they had been needing for their gardens.

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5. GreenView Fairway Formula Fertilizer

The GreenView formula fertilizer has mastered the performance of slow-release nitrogen. They have patented technology for its time-released nitrogen. With this product, you'll enjoy larger, more abundant blooms.

Customers have said that this fertilizer works wonderfully in their gardens. Others have said that this product is the best on that they have found and will continue to use it.

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6. Lilly Miller All Purpose Planting And Growing Food

This 10-10-10 balanced plant food contains a slow-release formula that promotes steady, prolific growth. Essential plant minerals are the key components of this mix.

Choose from either a 4-pound or 16-pound bag of this plant food. The Nitrogen in this mix comes from four different sources, offering a unique blend. It's best to use this fertilizer at planting time, then every 6 weeks after that.

Customers who have tried this product have reported that it is an incredible all-around fertilizer. Some even said that after only a week of using this fertilizer, their plants had already shown a difference.

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7. Miracle-Gro Bloom Booster Flower Food

Promote the beautiful growth of your Petunia blooms by fertilizing them with this Miracle-Gro bloom booster. Feed your plants every 7 to 14 days, depending on their needs. This is a water-soluble product and will immediately release nutrients.

You can purchase 1, 2, or 3 boxes of this product to fit your gardening and fertilizing needs. It is immediate release, so you will see results rather quickly with a fertilizer like this one. Your Petunias will feed through both its leaves and roots.

People who have used this product have said that this fertilizer helped bring their plants back to life. They have also said that it is quick, effective, and simple. Flowers will bloom abundantly with this fertilizer.

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8. Dr. Earth Flower Garden Fertilizer

Dr. Earth flower fertilizer contains a whole bunch of beneficial nutrients and microbes. The fertilizer is completely organic and helps produce bigger, more abundant blooms. It's a quick-release formula, which means nutrients are released rapidly.

This blend contains no chemicals. Seven different beneficial soil microbes plus Ecto- and endo- mycorrhizae are included. These elements enhance plant performance and assist in drought tolerance. Feed your Petunias for up to 6 months with this 4-pound bag.

Customers who have purchased this product report that it truly works and their flowers bloom like never before. Try it for yourself today.

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9. Clean Water Flower Food

This balanced fertilizer will help your Petunias produce big, vibrant blooms. Because it consists of a slow-release formula, your plants will receive a stable intake of necessary nutrients. With this fertilizer, your Petunias will have a 6 month supply of food.

The nutrients release at the root base, giving it more direct access to the plants. Additionally, if you purchase this product, some of the proceeds will go to the Clean Water Institute. This nonprofit organization helps in the protection of water resources.

Customers who have used this product reported that their plants perked right up after utilizing this fertilizer.

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10. Osmocote Smart Release Plant Food

Aside from the main three macro-nutrients, this fertilizer also has a blend of 11 other key nutrients. This plant food is unique in that the nutrient granule is covered in a semi-permeable resin. Water then dissolves the capsule, releasing the nutrients.

One sprinkling of this fertilizer allows for 6 months of feeding. The smart, slow-release elongates its life. You can use this fertilizer both in your garden and in containers. Choose from multiple different sizes of bags: 1 pound, 2 pounds, 4.5 pounds, or 8 pounds.

People who have used and reviewed this product have said that it has been the perfect fertilizer for their plants, bringing so much life to them. They have also said that they won't use any other type of fertilizer.

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Hopefully, one of these products will make your petunias happy and help them produce the best floral displays!

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