18 Best Petunia Food Picks for Vibrant Blooms

Discover the best petunia food for vibrant blooms and healthy growth. Unleash your garden's potential with our expert recommendations.
BrandMy RatingPrice
Miracle-Gro
Affordable Winner
9.0/10
Miracle-Gro
Best for Vibrant Blooms
9.4/10
Miracle-Gro
Best for Easy Feeding
9.6/10
Jack's Classic
Best for Lush Foliage
9.4/10
Tps Nutrients
N/A

Best Petunia Food

Are you ready to transform your garden into a vibrant tapestry of colors? Discovering the best petunia food can unlock the secret to lush, blooming petals that sway gracefully in the breeze. In this guide, we’ll unravel the top nutrient-packed options that will help these flourishing beauties reach their full potential.

Affordable Winner: Miracle-Gro

Miracle-Gro Pour & Feed Plant Food, Fertilizer Instantly Feeds Live Plants, For Outdoor & Indoor Plants in Containers, 32 oz.
Highlights
Ready-to-use formula
Instant plant feeding
Convenient for container plants

When it comes to petunia care, we can't help but rave about Miracle-Gro's ready-to-use plant food!

This affordable winner takes the hassle out of fertilizing—just apply it directly to the soil with no mixing required.

Perfect for both indoor and outdoor container plants, it provides instant nourishment every 1-2 weeks to keep your petunias thriving.

While the bottle might have a tendency to leak and the size may feel a bit small for larger gardens, the convenience and effectiveness make this product a top choice.

Give your plants the boost they deserve with this fantastic plant food!

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Price history for Miracle-Gro on Amazon

Best for Vibrant Blooms: Miracle-Gro Bloom Booster

Miracle-Gro Water Soluble Bloom Booster Flower Food, Plant Food for Annual and Perennial Flowers, In-Ground and Container Plants, Roses, Hydrangeas, Hibiscus, 5.5 lb.
Highlights
Exceptional Growth
Easy to Use
Fast Results

When it comes to maximizing the vibrancy of your petunias, we think Miracle-Gro Water Soluble Bloom Booster Flower Food is simply unbeatable.

Dubbed “Best for Vibrant Blooms,” this stellar bloom booster promises instant feeding that promotes an explosion of color and blooms.

Ideal for both gardens and containers, it can be applied every 7-14 days to keep your flowers lively and lush.

While there's no measuring scoop included, its ease of use makes up for it.

After just one application, you’ll see fast results that will make your petunias the envy of the neighborhood!

Get ready for some serious floral envy!

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Price history for Miracle-Gro Bloom Booster on Amazon

Best for Easy Feeding: Miracle-Gro

Miracle-Gro Watering Can Singles All Purpose Water Soluble Plant Food, For Flowers, Vegetables, Houseplants, Trees, Indoor and Outdoor Plants, 24 Packets
Highlights
Easy to use
Pre-measured packets
Promotes robust growth

When it comes to keeping your petunias healthy and vibrant, we can't recommend Miracle-Gro Water Can Singles All Purpose Water Soluble Plant Food enough!

As our favorite for Easy Feeding, these clever pre-measured packets take the hassle out of plant care.

Simply tear, pour into your watering can, and voilà – you’re ready to nourish your plants without the mess!

This plant food promotes twice the growth compared to unfed plants, ensuring your blooms are as stunning as ever.

The convenience of using it on a variety of flowers, vegetables, and indoor plants makes it an absolute must-have in your gardening toolkit!

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Price history for Miracle-Gro on Amazon

Best for Lush Foliage: Jack's Classic

Jack's Classic 20-6-22 Petunia Feed Water-Soluble Fertilizer with Micronutrients to Provide Lush Green Annuals, 1.5lbs
Highlights
Great for lush growth
Versatile feeding methods
Includes measuring spoon

When it comes to nurturing our vibrant petunias, our team has discovered a true gem: the Jack's Classic Petunia FeED.

Dubbed the Best for Lush Foliage, this fertilizer boasts a stellar 20-6-22 formula packed with micronutrients that guarantees luscious green growth in any condition.

We love its versatility!

Whether we're spraying it directly on leaves or roots, or using it in a continuous feed system, it always delivers results.

Plus, it's a water-soluble powder that stretches our dollars further than liquid options, and the included measuring spoon makes concocting the right mix a breeze.

Your petunias will thank you!

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Price history for Jack's Classic on Amazon

TPS Nutrients Petunia Fertilizer

Petunia Fertilizer, Complete Liquid Petunia Plant Food, 8 oz (250mL)
Highlights
Complete fertilizer formula
Promotes vibrant blooms
Easy instructions included

The TPS Nutrients Petunia Food is a fantastic choice for petunia lovers!

Its complete fertilizer formula ensures your plants boast vibrant blooms and lush foliage, making your garden a true showstopper.

We love how easy the care instructions are to follow, which is perfect for both seasoned gardeners and beginners alike.

Plus, knowing it’s made in the USA adds to our confidence in product quality.

While it’s a recent launch with limited sizes and no customer reviews just yet, we believe this little gem is worth trying for those who want their petunias to shine!

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Price history for TPS Nutrients Petunia Fertilizer on Amazon

Jack's Classic Fertilizer

Jack's Classic 20-6-22 Petunia Feed Water-Soluble Fertilizer with Micronutrients to Provide Lush Green Annuals, 4lbs
Highlights
Effective for lush growth
Multiple feeding options
Micronutrients included

When it comes to promoting vibrant petunias, we were undoubtedly impressed by Jack's Classic Petunia FeED.

This 20-6-22 formulation excels in providing your blooms with the lush, green growth they crave, thriving beautifully in various conditions.

We love its versatility—whether you opt for foliar spraying or root feeding, this water-soluble powder makes feeding a breeze.

The included measuring spoon simplifies mixing, allowing us to create gallons of liquid fertilizer effortlessly.

With the added bonus of essential micronutrients, your petunias will flourish with minimal extra care.

For optimal results, consider this fantastic option that truly delivers!

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Price history for Jack's Classic Fertilizer on Amazon

Miracle-Gro Shake 'n Feed Petunia Food

Miracle-Gro Shake 'n Feed Extended Boost, Fertilizer for Plants, Feeds Up to 6 Months, 3 lbs.
Highlights
Long-lasting effects
Convenient for potted plants
Easy to use granules

When it comes to nourishing your petunias, we think Miracle-Gro Shake 'n Feed Extended Boost is a solid contender.

This granular fertilizer offers an impressive up to 6 months of nourishment, ensuring your blooms stay vibrant and healthy.

It’s super convenient for all plant types—whether you're in a pot, a raised bed, or your garden.

Just a quick shake, some water, and you’re set!

However, be cautious; it can be a bit harsh on sensitive plants, and let’s be honest, it can get a tad messy if you're not careful.

Overall, it's a fantastic choice for those seeking effortless plant care!

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Price history for Miracle-Gro Shake 'n Feed on Amazon

JR Peters Jacks Classic

J R Peters Inc 52624 Jacks Classic No.1.5 20-6-22 Petunia Feed
Highlights
Enhances plant color
Great for hanging baskets
Effective in hard water

When it comes to maintaining vibrant petunias, JR Peters Petunia Food stands out as a must-have.

This granule formula is expertly designed for iron-inefficient plants, ensuring they flourish even in tough conditions.

We love its enhanced micronutrient package that promotes lush green foliage and rich blooms.

It's particularly successful in hanging baskets and containers, making it ideal for anyone with limited space and frequent watering.

However, be mindful that it may be too potent for certain plants and doesn't come with a measurement scoop.

Overall, this petunia food is a gardener's secret weapon for achieving spectacular displays!

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Price history for JR Peters Jacks Classic on Amazon

Jack's Classic Petunia Feed

Jack's Classic 20-6-22 Petunia Feed Water-Soluble Fertilizer with Micronutrients to Provide Lush Green Annuals, 10lbs, 2 Pack
Highlights
High nutrient analysis
Water-soluble for easy use
Includes measuring spoon

When it comes to boosting your petunias, Jack’s Classic Petunia FeED is an excellent choice for any garden enthusiast.

This fertilizer packs a powerful 20-6-22 analysis, ensuring your petunias achieve that lush green appearance we all love.

We appreciate its versatility—whether you prefer foliar or root feeding, this product fits the bill.

Plus, the water-soluble powder means you can create multiple gallons of nourishing liquid with ease.

Don’t forget the handy measuring spoon included in the package!

While it does require frequent feeding, the added micronutrients guarantee your plants will thrive beautifully. 🌱

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Price history for Jack's Classic Petunia Feed on Amazon

Chitosaner Petunia Feed Petunia Food

Fertilizer JJack's Classic Petunia Feed 20-6-22-1.5lb
Highlights
Specially formulated for petunias
Effective root and leaf feeding
High customer rating (5 stars)

When it comes to nurturing our favorite blooms, Jack's Classic Petunia Feed 20-6-22 truly stands out!

Specially tailored for iron-hungry plants like petunias, this product provides superb nourishment through both the roots and leaves.

With a stellar five-star rating, it’s clear that our fellow garden aficionados have had great success with it.

However, keep in mind that this feed is limited to a specific range of plants and comes in a relatively small 1.5-pound package.

If you’re focused on petunias, we say give this a shot—your garden will thank you for it!

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Price history for Chitosaner Petunia Feed on Amazon

Miracle-Gro

Miracle-Gro Water Soluble All Purpose Plant Food, Fertilizer for Indoor or Outdoor Flowers, Vegetables or Trees, 3 lbs.
Highlights
Full of essential nutrients
Safe for all plants
Easy to use

When it comes to nurturing your petunias, we found Miracle-Gro to be a top contender.

Packed with essential nutrients, this product delivers results that make your flowers truly pop.

It's easy to use—just feed every 1-2 weeks with either a Miracle-Gro Garden Feeder or a watering can.

We love that it's safe for all plants and won’t burn them when used correctly.

However, keep in mind that it may clump if stored improperly and requires regular feeding for optimal growth.

Despite needing some maintenance, the blooms we’ve seen speak for themselves! 🌼

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Price history for Miracle-Gro on Amazon

JackS Classic Petunia Feed

Classic Petunia Feed 20-6-22 4LB TUB
Highlights
Liquid form for easy application
Full coverage for effective feeding
Trusted brand quality

When it comes to nourishing your petunias, we’ve found JackS Liquid Fertilizer to be a go-to choice for many gardeners.

Its liquid form allows for effortless application, making feeding time a breeze.

With full coverage capabilities, it ensures your blooms get the nutrients they crave to thrive.

As a product from a trusted brand, you can feel confident in its quality.

However, we do wish there was a bit more detailed information available, and the lower customer review count means it hasn’t been put to the test by many, yet.

Overall, it’s a solid contender for vibrant petunia growth!

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Price history for JackS Classic Petunia Feed on Amazon

Jack's Classic 20-20-20 Petunia Food

Jack's Classic All Purpose 20-20-20 Water Soluble Plant Food (1.5lbs)
Highlights
Effective for various plants
Easy to use formula
Promotes healthy growth

When it comes to keeping your petunias looking vibrant and healthy, we’ve found a standout option: J.R.

Peters 20-20-20 fertilizer.

This easy-to-use formula is super effective for various plants, ensuring your garden bursts with life.

With a 4.8-star rating, it’s clear that many gardeners appreciate its benefits!

While it does have a slight fertilizer smell and requires dilution, the results—lush, happy petunias—are absolutely worth it.

Plus, we recommend experimenting with different ratios for the best outcomes.

If you want your blooms to thrive, this fertilizer should be on your shopping list!

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Price history for Jack's Classic 20-20-20 on Amazon

Osmocote

Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential Nutrients, 2 lbs.
Highlights
Long-lasting nourishment
Safe for indoor plants
Effective for various plants

When it comes to keeping our petunias vibrant and thriving, we've found that Osmocote Smart-Release Plant Food Plus Outdoor & Indoor truly delivers.

This granular fertilizer is a powerhouse, packed with 11 essential nutrients that provide nourishment for up to six months!

We love its versatility; whether your plants are basking in sunshine or happily hanging indoors, this formula works wonders in diverse conditions.

The unique resin coating ensures a steady release of nutrients, so your blooms always get what they need—when they need it.

Plus, it’s safe for all plants, making it a must-have for any green thumb.

Just keep in mind that instant results are a fantasy, but the wait is well worth it!

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Price history for Osmocote on Amazon

Miracle-Gro

Miracle-Gro Shake 'N Feed All Purpose Plant Food, For In-Ground and Container Plants, Feeds for up to 3 Months, 4.5 lbs.
Highlights
Easy application
Promotes healthy growth
Long-lasting effects

If you're on the hunt for effective petunia food, Miracle-Gro Shake 'N Feed All Purpose Plant Food should definitely be on your radar.

With an ability to nourish your plants for up to three months, this product promotes healthy growth and vibrant colors.

We appreciate the easy application process; just sprinkle it on and water for instant results!

However, be cautious of the messy lid design.

It's worth noting that reapplying every three months—and possibly dealing with a few spills—is a small price to pay for a flourishing garden.

Overall, if you're looking for a product that yields beautiful blooms and robust plants, this one fits the bill!

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Price history for Miracle-Gro on Amazon

Osmocote Petunia Food

Osmocote Smart-Release Plant Food Plus Outdoor and Indoor, For Most Plant Types, In-Ground and Container Plants, Contains 11 Essential Nutrients, 2 lb.
Highlights
Fortified with essential nutrients
Slow-release for 6 months
Effective for various plants

If you're on the hunt for a foolproof way to nourish your petunias, look no further than Osmocote Smart-Release Plant Food Plus Indoor & Outdoor.

This all-purpose granule packs a punch with 11 essential nutrients, ensuring your plants thrive for up to 6 months.

We love how user-friendly it is—just sprinkle a capful per gallon and mix it into the soil!

While it caters to most plants, some may desire a bit more care than others.

Overall, with its impressive coverage of 75 sq. ft., this plant food is a solid choice to keep your petunias blooming beautifully.

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Price history for Osmocote on Amazon

Floralife Flower Food

Floralife Flower Food 300, 5gm pkg 50
Highlights
Easy to use
Extends flower life
Affordable price

When it comes to keeping your petunias looking fabulous, we highly recommend Floralife Flower Food 300.

This easy-to-use flower preservative not only extends the life of your blooms but does so without breaking the bank.

Simply mix one packet with water to create a pint of solution—perfect for providing the essential nutrients your cut flowers crave.

However, keep in mind that while it excels at nourishing cut flowers, it’s not suitable for garden use.

Plus, to keep your floral friends thriving, a water change is necessary.

Overall, it’s a small but mighty solution for flower care that we stand behind!

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Price history for Floralife Flower Food on Amazon

Miracle-Gro Blooms

Miracle-Gro Performance Organics Blooms Plant Nutrition Granules - Plant Food with Natural & Organic Ingredients, for Flowering Plants, 2.5 lbs.
Highlights
Promotes vibrant blooms
Organic and natural ingredients
Effective within weeks

To give your petunias the royal treatment, we recommend Miracle-Gro Performance Organics Blooms Plant Nutrition Granules.

This OMRI listed product not only feeds your flowering plants but operates on the principle of boosting blooms — and boy, does it deliver!

You'll notice those vibrant colors flourishing within weeks, thanks to its organic and natural ingredients.

Just remember to reapply every 4-6 weeks and keep your plants hydrated for optimal results.

While the coverage area is a bit limited and the price might pinch the wallet, the results are undeniably worth it.

Your petunias will thank you!

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Price history for Miracle-Gro Blooms on Amazon

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