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Jack's Classic Blossom Booster 10-30-20 Water Soluble Plant Food for Flowering Plants, 1.5lb

4.7 4.7 out of 5 stars 3,095 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Garden Fertilizers by Jack's Classic

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1
1.5 Pounds

Purchase options and add-ons

Brand Jack's Classic
Item Weight 1.5 Pounds
Item Form Powder
Coverage Medium
Liquid Volume 1.5 Liters

About this item

  • Designed to produce more flowers and brighter colors on all indoor and outdoor plants, Blossom Booster 10-30-20 is a professional formula that feeds through both the roots and the leaves.
  • This formula is guaranteed to produce amazing results with its proven 1:3:2 nutrient ratio creating the quality that is unmatched in the home gardener market.
  • This1.5 lb. tub of Blossom Booster can be used as transplant solution and is best for use on all indoor and outdoor flowering plants including geraniums, impatiens, begonias, marigolds, vegetable and fruits.
  • Jack's Classic includes professional grade fertilizer that is essential in allowing you to feed your plants with the best quality fertilizer for continued plant health.

Customer ratings by feature

Flavor
5.0 5.0
Easy to use
4.8 4.8
Value for money
4.6 4.6
Scent
4.1 4.1

Frequently bought together

$19.10 ($0.87/Ounce)
Get it as soon as Monday, Mar 25
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$18.67 ($0.78/Ounce)
Get it as soon as Monday, Mar 25
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Sold by Buckeye Trading and ships from Amazon Fulfillment.
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$16.29 ($0.68/Ounce)
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Sold by BEYOND YOUR HOME and ships from Amazon Fulfillment.
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Jack's Classic Blossom Booster 10-30-20 Water Soluble Plant Food for Flowering Plants, 1.5lb
Jack's Classic Blossom Booster 10-30-20 Water Soluble Plant Food for Flowering Plants, 1.5lb
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Jack's Classic All Purpose Fertilizer, 20-20-20 with Micronutrients and Plant Food, 1.5lbs
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Price$19.10-5% $18.48
List:$19.49
$18.67$15.49-62% $5.58
List:$14.73
-11% $20.99
List:$23.54
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Easy to use
4.8
4.4
4.8
4.8
4.6
4.8
Value for money
4.6
4.2
4.7
4.6
4.6
4.7
Scent
4.1
4.5
4.1
4.2
4.7
Flavor
5.0
4.1
5.0
4.4
Sold By
Amazon.com
Amazon.com
Buckeye Trading
The Positive Shop
Amazon.com
Harwell's Green Thumb
weight
1.5 pounds
5.5 pounds
1.5 pounds
8 ounces
454 grams
1.5 pounds
form
Powder
Powder
Sticks
Powder
coverage
Medium
5.5
Medium
Full
Full
liquid volume
1.5 liters
0.5 gallons
1.5 liters
8 fluid ounces
16 fluid ounces
1.5 liters
specific uses
Lawn
Plant Food
Blend
target species
Flowers
Flower
Insects

From the manufacturer

img

About Us

Started in 1947 by Bob Peters, his Horticultural soil for greenhouse growers and made recommendations on how to produce the best crops. Today, under the leadership of Bob's son, Jack Peters, JR Peters, is advancing the tradition of Peter’s family quality products. For over 65 years, the Peters' family has designed and produced "The Fine in Soluble Fertilizers". Today, as president of JR Peters, Jack Peters advances our family's tradition of delivering only the good quality products.

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Jack's Classic Blossom Booster 10-30-20 Water Soluble Plant Food for Flowering Plants, 1.5lb


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Product Description

The durable poly pulsating sprinkler is great for gentle lawn watering. The extra-wide weighted base resists tipping and is easy to set up and move. The adjustable control allows you to select watering distance and coverage angle for your specific needs.

Important information

Ingredients

Blossom Booster

Customer reviews

4.7 out of 5 stars
4.7 out of 5
3,095 global ratings

Customers say

Customers like the quality, blossoms, growth, value, and ease of use of the fertilizer. For example, they mention it works well, is simple to use, and has clear instructions for use.

AI-generated from the text of customer reviews

160 customers mention149 positive11 negative

Customers are satisfied with the quality of the fertilizer. They mention that it works far better than Miracle Grow, is astounding at how good it works, and is the best fertilizer they've ever used. It also works great on blooming plants and flowers, and produces a wonderful harvest.

"Works well, plants jumped after one application!" Read more

"...Within 3 days my radishes started stretching and blooming! High quality product, I definitely recommend it for the flowering stage." Read more

"...Especially if they are already struggling is a great way to add nutrients to your soil and get it to your plant and help you plants out in the long..." Read more

"This product works great! I have never seen my Christmas Cactus bloom so much before, and more buds are growing...." Read more

107 customers mention107 positive0 negative

Customers are satisfied with the blossoms produced by the product. They mention that it gives them more blooms, and that it promotes blooms all season long. Some say that it does a nice job on blooms without messing up their pH. Overall, customers are happy with the product's ability to promote blossoms.

"...Only need 1/4 tsp so it'll go a long way and last. My amaryllis is flowering great!" Read more

"...The Dahlias are beautiful! The plants are healthy, full of blooms with very vivid colors" Read more

"...THIS is the go to for continuous blooms on geraniums and petunias. I thought.....What the heck......" Read more

"...Healthy plants though. Tomatoes and garden herbs are blooming. It’s just my flowers...." Read more

41 customers mention35 positive6 negative

Customers like the growth of their plants after using the product. They mention that it supports and encourages blooming, and their flowers are bigger than ever before. They also say that their tomatoes and squashes started blossoming profusely in just 4 days. Overall, customers are happy with the growth and recommend it to others.

"...have never seen my Christmas Cactus bloom so much before, and more buds are growing...." Read more

"...blossom boosters from other companies but this one really produces a lot of blooms quickly!..." Read more

"...In 4 days my tomato and squashes started blossoming profusely...." Read more

"Used with my geraniums and definitely kept it blooming." Read more

30 customers mention22 positive8 negative

Customers like the value of the outdoor living product. They mention that it works great at a reasonable price, and is worth the price. Some say that the product is cheap as dirt.

"...They DOUBLED in size this year!Good stuff. Worth the price." Read more

"...Cheap as dirt too! Literally am getting the biggest fruit and flowers I have ever gotten with Jacks...." Read more

"I expected a big tub for 20$. It’s a tiny little tub. So just beware." Read more

"Nice fertilizer, cheaper than some of the fancy named, cool picture on the container ones...." Read more

25 customers mention23 positive2 negative

Customers find the product easy to use. They mention it mixes with water and has clear instructions for use.

"Easy to use." Read more

"...It is easy to use and if used as directed really promotes blossoms...." Read more

"Fertilized my flowers with Jacks! Is easy to use and it works!" Read more

"Have used this product for years. Easy to use and dissolves immediately. Use as directed and flowers will respond!" Read more

9 customers mention7 positive2 negative

Customers like the burns of the fertilizer. They mention that it dissolved easily, and has no furt burn. Some say that it guarantees blooms and doesn't burn the plant.

"...It is a high level fertilizer but I had no fertilizer burns on any plants and it dissolved easily for feeding my tower gardens...." Read more

"I highly recommend this plant food. It guarantees blooms and doesn’t burn the plant. I feed my flowers every two weeks during the summer." Read more

"...I have not experienced any fertilizer chemical burns with this product...." Read more

"...instructed, plenty of times I used less then recommended and it still burned my flowers...." Read more

9 customers mention9 positive0 negative

Customers find the fertilizer easy to mix with water. They say it's a perfect blend for a pepper plant and is especially beneficial when mixed with 20-20-20 and cal-mag. Customers also say it requires no premixing with water and is great for tomatoes from beginning to end.

"...Doesn't have any smell and mixes with water very easily. I'm definitely investing in a large bag of this fertilized next time." Read more

"Easy to mix. Works great. Highly recommend product." Read more

"This is great for tomatoes from beginning to end and it's economical" Read more

"This product mixes so well. Very easy to use. Great results" Read more

This stuff really works
5 Stars
This stuff really works
Made a noticeable difference after just one application. Within 3 days my radishes started stretching and blooming! High quality product, I definitely recommend it for the flowering stage.
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Top reviews from the United States

Reviewed in the United States on January 17, 2024
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
One person found this helpful
Report
Reviewed in the United States on March 12, 2024
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Reviewed in the United States on February 19, 2024
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Customer image
5.0 out of 5 stars This stuff really works
Reviewed in the United States on February 19, 2024
Made a noticeable difference after just one application. Within 3 days my radishes started stretching and blooming! High quality product, I definitely recommend it for the flowering stage.
Images in this review
Customer image Customer image
Customer imageCustomer image
One person found this helpful
Report
Reviewed in the United States on November 3, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Reviewed in the United States on May 29, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Reviewed in the United States on November 13, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Customer image
5.0 out of 5 stars Excellent Product
Reviewed in the United States on November 13, 2023
This product works great! I have never seen my Christmas Cactus bloom so much before, and more buds are growing. Also, red buds are appearing, so we will be treated to some red flowers this year.
Images in this review
Customer image
Customer image
2 people found this helpful
Report
Reviewed in the United States on September 4, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
One person found this helpful
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Reviewed in the United States on September 21, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
One person found this helpful
Report

Top reviews from other countries

MCB
5.0 out of 5 stars It is hard to find this ratio
Reviewed in Canada on July 29, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
One person found this helpful
Report
Fay Yuille
5.0 out of 5 stars Wow
Reviewed in Canada on June 13, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Kathleen Kirk
5.0 out of 5 stars It is a great product. It did improve the flowers in my garden.
Reviewed in Canada on July 20, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Bob Brewster
4.0 out of 5 stars large container
Reviewed in Canada on November 3, 2023
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase
Arash
5.0 out of 5 stars Great product
Reviewed in Canada on October 25, 2018
Item Package Quantity: 1Size: 1.5 PoundsVerified Purchase