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Jack's Classic
Jack's Classic Petunia FeED 20-6-22 Fertilizer

Jack's Classic Petunia FeED 20-6-22 Fertilizer

Best price now

$11.99at Greenhouse MegastoreObserved at 9:57 PM

25% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

Visit Greenhouse Megastore

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Our take on the Jack's Classic Petunia FeED 20-6-22 Fertilizer

Jack's Classic Petunia FeED is a water-soluble synthetic fertilizer blended for petunias and other heavy-feeding annuals, with an NPK ratio of 20-6-22 plus iron and added micronutrients. The low phosphorus and high potassium formula is aimed at hard-water areas and is meant to keep baskets and containers full and blooming. It comes as a powder in a resealable tub. The best new price is $11.99 at Greenhouse Megastore as of November 6, 2026, with 3 stores listing it new.

Best forPetunia baskets and containersGrowers in hard-water areasHeavy-feeding annuals that need potassiumGardeners who prefer a water-soluble powder
Pros
  • High potassium (22) supports flowering and fullness
  • Low phosphorus (6) suits hard-water areas
  • Includes iron and an enhanced micronutrient package
  • Water-soluble powder mixes easily for feeding
  • Resealable tub keeps the powder dry
Cons
  • Synthetic, not organic
  • Single 1.5 lb tub size only
  • Formulated around petunias, so other plants may need a different blend
  • Powder must be measured and mixed, unlike slow-release granules

Jack's Classic Petunia FeED 20-6-22 Fertilizer prices at every store

  • Greenhouse MegastoreNew

    In stock

    $11.99Observed at 9:57 PM
    Visit Greenhouse Megastore
  • Park SeedNew

    In stock

    $15.95Observed at 9:57 PM
    Visit Park Seed
  • WalmartNew

    In stockSold by Esbenshades Garden Center

    $23.87Observed at 9:57 PM
    Visit Walmart

Also available at

  • Berlin SeedsCheck price at Berlin Seeds
  • eBayCheck price at eBay
  • eBayCheck price at eBay
  • CountryMaxCheck price at CountryMax
  • Esbenshade's Garden CenterCheck price at Esbenshade's Garden Center
  • GardenCenter ExpressCheck price at GardenCenter Express
  • The Garden FactoryCheck price at The Garden Factory
  • Magic Valley GardensCheck price at Magic Valley Gardens
  • Southern Idaho Landscape CenterCheck price at Southern Idaho Landscape Center
  • Theisen'sCheck price at Theisen's
  • Wasco NurseryCheck price at Wasco Nursery

Store links may earn us a commission.

Jack's Classic Petunia FeED 20-6-22 Fertilizer price history

Lowest price we've seen: $11.99 on Nov 7 at Greenhouse Megastore. Tracked across 13 stores since Nov 7.

Specifications

Organic
No (Synthetic)
Type
Fertilizer
Primary Use
Fertilizer
Soil Type
Hard water areas
Form
Powder
Material
Micronutrient blend
NPK Ratio
20-6-22
Micronutrients
Iron
Size
4 lbs
Active Ingredients
Iron
Ingredients
Enhanced micronutrient package
Item Volume
1.5 Litres
Item Weight
1.5 lb
Dimensions
19 x 17.5 x 15.49 cm (parcel dimensions)
Effect Highlights
Keeps plants fuller
Suitable Application Site
Hanging baskets, Containers
Suitable Plant Type
Petunia
Typical Users
UNISEX
Container Size
1.5 lb
Container Type
Tub
Packaging Size
1.5 lb
Packaging Type
Tub
Care Highlights
Comes in a resealable pouch for easy storage
Free Of
Low in phosphorous

Questions and answers

Is Jack's Petunia FeED good for hanging baskets?
Yes. It is blended for petunias and other heavy-feeding annuals in baskets and containers, with high potassium to keep plants full and flowering.
What does 20-6-22 mean?
It is the NPK ratio: 20% nitrogen, 6% phosphate and 22% potash. The low phosphorus and high potassium suit hard-water areas and flowering plants.
Is it organic?
No. It is a synthetic water-soluble fertilizer with added iron and micronutrients.
How much does it cost?
The best new price is $11.99 at Greenhouse Megastore as of November 6, 2026, with 3 stores listing it new.
Can I use it on plants other than petunias?
It is formulated for petunias and similar heavy-feeding annuals. Other plants may do better with a general-purpose blend.
How do I store it?
Keep the powder in its resealable tub, dry and sealed, between feedings.
Where is the Jack's Classic Petunia FeED 20-6-22 Fertilizer cheapest?
At Greenhouse Megastore, for $11.99, 25% under what the other stores charge, as of our latest check.
Where can I buy the Jack's Classic Petunia FeED 20-6-22 Fertilizer?
13 stores we checked sell it, including Greenhouse Megastore, Park Seed, Walmart, Berlin Seeds, eBay.

Stores we've priced the Jack's Classic Petunia FeED 20-6-22 Fertilizer at

  • Walmart deals and prices