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ROOTBlast 2-1-2 Growth Formula, 40-Ounce Jar

4.7 out of 5 stars 42 customer reviews
| 6 answered questions

Price: $15.51 & FREE Shipping on orders over $49. Details
Only 13 left in stock.
Sold by River Colony Trading and Fulfilled by Amazon. Gift-wrap available.
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  • Boosts new root growth
  • 2-1-2 Fertilizer: limestone, calcium nitrate and monoammonium phosphate
  • For flowers, vegetables, trees, shrubs, and houseplants
  • Use once per season for outstanding results
  • All natural, no hormones, and environmentally safe
4 new from $11.04

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$15.51 & FREE Shipping on orders over $49. Details Only 13 left in stock. Sold by River Colony Trading and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • ROOTBlast 2-1-2 Growth Formula, 40-Ounce Jar
  • +
  • Miracle-Gro Fast Root Dry Powder Rooting Hormone Jar, 1-1/4-Ounce
  • +
  • Superthrive Vitamin Solution, 4 fl. oz.
Total price: $30.29
Buy the selected items together

Technical Details


Product Description

Rootblast boosts new root growth. This granular 2-1-2 fertilizer contains limestone, calcium nitrate and monoammonium phosphate to pump up the roots of your flowers, vegetables, trees, shrubs, and houseplants. Easy to apply, with no mess, and no water mixing needed. Use once per season for outstanding results. All natural, hormone free, and environmentally safe. Big 2.5 lb (40 oz) jar to feed dozens of seedlings, your transplants, and your established beds.

Product Information

Product Dimensions 6.9 x 4.2 x 3.9 inches
Item Weight 2.5 pounds
Shipping Weight 2.6 pounds (View shipping rates and policies)
Manufacturer A.M. Leonard
ASIN B00178IHY0
Customer Reviews
4.7 out of 5 stars 42 customer reviews

4.7 out of 5 stars
Best Sellers Rank #35,909 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#1,210 in Patio, Lawn & Garden > Gardening > Soils, Fertilizers & Mulches > Fertilizers & Plant Food

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Important Information

Legal Disclaimer

Phosphorus runoff poses a threat to water quality. Some states restrict the application of phosphorus-containing fertilizer on non-agricultural lawn or turf. Check your local laws prior to purchase.


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
We were introduced to this product through QVC originally. This product is amazing and delivers. I went to reorder and decided "let me see what my friends at Amazon offer" - couldn't be beat - the price was great, not to mention the speedy delivery as a Prime member.
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Verified Purchase
UNBELIEVABLE!!!!!!!!!!!!!!!!!!!!!! TRY IT AND YOU WILL BE SPEECHLESS TOO!!!!!!!!!!!!!!!!!!!!!!!

FANTASTIC GARDEN THIS SUMMER......CAN'T BELIEVE THE YIELD AND PHENOMENAL SIZE!!!!!!!!! GETTING READY TO PLANT OUR WINTER GARDEN AND I CANNOT WAIT!!!! THIS STUFF MAKES GARDENING EXCITING!!!!!!!!
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I've used Rootblast for years now & IT WORKS! Want larger blooms, healthier foilage, happy plants that thrive? This is your product. They love it & it's so easy to use. My plants look so much healthier than they ever used to and it's due to ROOTBLAST. I swear my Turtlehead looks like it's been living in the tropics, LUSH & GORGEOUS due to Rootblast. I highly recommmend Rootblast, it's great to have on hand. Hopefully it will never be discontinued - I stock up just in case.
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Verified Purchase
This stuff is great! I used to use it but 'himself' didn't want to use 'chemicals' - but since he had no problems with 'miracle grow' & the plants haven't done as well for a few years- I convinced him there were less chemicals this way - sure enough, even though its still early in the growing season, my basil is so big & full that it has to be staked - I never had to do that before!
So, yes, the stuff is damn good!
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Verified Purchase
I used this product on several items I started this season, including bulbs, seeds, and a bare-root tree. Then I sprinkled some over the plants I already had in the garden from previous years. Three weeks later, that tree is sprouting tremendous new growth almost hourly, there are scads of lovely roses opening, and all the seeds are producing lush growth. Everything seems to be moving along so much faster than usual. I do think I'm going to just love Root Blast!
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By Dee on October 5, 2013
Verified Purchase
I have looked for this for some time finally found it this year it makes a huge difference when planting and transplanting no wilting and flowers do great . Would recommend to anyone who has and loves plants
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Verified Purchase
Put some on the root of a newly planted tree. Leaves went berzerk! Sprouting quite quickly even though tree species was considered a slow grower. But beware, the weeds take heed to this stuff too, massive amounts of weeds where I sprinkled.
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Verified Purchase
Want big healthy plants, buy this product. We have used it for years and have had GREAT results. We have hundreds of irises and dallies and all grow better with Root Blast. Recommend it to all our friends.
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