Pros

  • β€’Highly effective for promoting flower and blossom production in a variety of plants, including flowering plants and fruit trees.
  • β€’Quicissolving formula requires only 1 teaspoon per gallon of water, making it economical and easy to use.
  • β€’Compatible with EZ Flo Fertilizer Injector, allowing for efficient application.
  • β€’Proven effectiveness over many years with consistent positive results, promoting growth and blooming.
  • β€’Works well for both indoor and outdoor plants, including specific success with Supertunias, African violets, and Christmas cacti.
  • β€’Excellent for a wide range of plants, including veggies, trees, houseplants, and flower beds.
  • β€’Can revive wilting plants and reduce transplant shock when used as a foliage spray.
  • β€’Versatile for various growing conditions, shown by successful use on tomato plants and in selicking bucket systems.
  • β€’Positive feedback from sharing samples, indicating effectiveness and satisfaction among other users.
  • β€’Substantial lonerm use results in vibrant, healthy plants and noticeable improvements in garden appearance.

Cons

  • β€’Contains some white particles mixed with the blue fertilizer that are not soluble, which could affect mixing.
  • β€’Customer support was reportedly unresponsive to inquiries.
  • β€’One reviewer strongly recommended avoiding the purchase, possibly due to issues faced with their specific experience.
  • β€’Uncertain about lonerm effects for some users, though many plan to continue usage and potentially update reviews.

Bottom Line

Jack's Classic Blossom Booster 10-30-20 is a highly recommended plant food for anyone looking to enhance flower and plant growth. It is praised for its effectiveness across a wide range of plants, including annuals, perennials, and various indoor and outdoor varieties. Despite a couple of minor concerns with insoluble particles and customer service, its long-term users report consistent positive outcomes in plant health and blooming. If you're seeking a dependable and versatile fertilizer for vibrant plant life, this product is worth considering.

Lowest at Amazon
$20.13 at Amazon
Lowest at any Popular Retailer
$19.63 at Walmart
How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 20 retailers to give you the short version.

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