JR Peters - Greenhouse Megastore

JR Peters

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      Jack's Classic, Jack's Professional, Jack's Nutrients

      JR Peters
      Innovative fertilizers and nutrient blends whose quality is unsurpassed, created using new and traditional blending methods.
      35 products
      Jack’s Classic 10-30-20 Blossom Booster
      Starting at $6.99
      Jack's Classic 12-15-30 Veggie FeED
      $11.99
      White plastic bucket of Jack's fertilizer Classic All Purpose 20-20-20 water soluble plant food with images of tomato, rose, and green leaves on label, 4 lb size.
      Jack's Classic 20-20-20
      Starting at $6.99
      Jack's Professional 20 - 20 - 20 General Purpose Fertilizer - Greenhouse Megastore
      Jack's Professional 20-20-20 General Purpose Fertilizer
      Starting at $63.99
      Jack's Nutrients Calcium Nitrate Part B Fertilizer - Greenhouse Megastore
      Jack's Nutrients Calcium Nitrate Part B Fertilizer - Greenhouse Megastore
      Jack's Nutrients Calcium Nitrate Part B Fertilizer
      Starting at $14.55
      Jack's Fertilizer 20-3-19 Petunia FeED
      $61.99
      Jack's Nutrients 5 - 12 - 26 Part A Fertilizer - Greenhouse Megastore
      Jack's Nutrients 5 - 12 - 26 Part A Fertilizer - Greenhouse Megastore
      Jack's Nutrients 5-12-26 Part A Fertilizer
      Starting at $19.39
      Jack's ClassiCote 15-8-23 with Crystal Green
      Starting at $40.99
      White plastic container of Jack's fertilizer Classic Citrus Feed with images of citrus fruits including oranges, limes, and kumquats on the label, featuring nutrient ratio 20-10-20 and text indicating it is water soluble plant food with micronutrients for tropical plants.
      Jack's Classic 20-10-20 Citrus FeED
      $11.99
      White plastic container of Jack's Fertilizer Orchid Special 30-10-10 with images of orchids on the label and a blue handprint logo on the lid.
      Jack's Classic Orchid Special 30-10-10
      $6.99
      Jack's Professional High Performance 25 - 5 - 15 - Greenhouse Megastore
      Jack's Professional High Performance 25-5-15
      $55.99
      Jack's Classic Petunia FeED 20 - 6 - 22 - Greenhouse Megastore
      Jack's Classic Petunia FeED 20 - 6 - 22 - Greenhouse Megastore
      Jack's Classic Petunia FeED 20-6-22
      Starting at $11.99
      Bonide Captain Jack's Neem Oil Insecticide - Greenhouse Megastore
      Bonide Captain Jack's Neem Oil Insecticide - Greenhouse Megastore
      Bonide Captain Jack's Neem Oil Insecticide
      Starting at $9.82
      Jack's Nutrients Epsom Salt - Greenhouse Megastore
      Jack's Nutrients Epsom Salt - Greenhouse Megastore
      Jack's Nutrients Epsom Salt
      Starting at $16.99
      Jack's Professional 21-7-7 Acid
      $49.99
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      Bag of Jack's fertilizer Professional Water-Soluble Fertilizer 9-45-15 Plant Starter with detailed nutrient analysis, 25 lb white and blue packaging with green accents.
      Jack's Professional 9-45-15 Plant Starter
      $88.99
      Jack's® Classic Orchid Grow & Bloom Fertilizer Combo - Greenhouse Megastore
      Jack's® Classic Orchid Grow & Bloom Fertilizer Combo - Greenhouse Megastore
      Jack's® Classic Orchid Grow & Bloom Fertilizer Combo
      $19.99
      Purple bottle of Jack's fertilizer labeled "Jack's Classic Orchid Bloom Booster 3-9-6" with pink cap and image of blooming orchids on front
      Jack's Classic® Orchid Bloom Booster 3-9-6
      $11.99
      Jack's® Nutrients 7 - 15 - 30 Finish Fertilizer - Greenhouse Megastore
      Jack's® Nutrients 7 - 15 - 30 Finish Fertilizer - Greenhouse Megastore
      Jack's® Nutrients 7-15-30 Finish Fertilizer
      Starting at $20.00
      Jack's Professional 22 - 5 - 16 Mum FeED - Greenhouse Megastore
      Jack's Professional 22-5-16 Mum FeED
      $59.99
      Jack's® Nutrients 15 - 6 - 17 Clone Starter - Greenhouse Megastore
      Jack's® Nutrients 15 - 6 - 17 Clone Starter - Greenhouse Megastore
      Jack's® Nutrients 15-6-17 Clone Starter
      Starting at $18.99
      Jack's Classic Houseplant Special 15 - 30 - 15 Fertilizer - Greenhouse Megastore
      Jack's Classic Houseplant Special 15-30-15 Fertilizer
      $6.99
      Bonide Capt Jack's Neem MAX Oil - Greenhouse Megastore
      Bonide Capt Jack's Neem MAX Oil
      $20.35
      Jack's® Nutrients 12 - 4 - 16 RO Pure Water - Greenhouse Megastore
      Jack's® Nutrients 12 - 4 - 16 RO Pure Water - Greenhouse Megastore
      Jack's® Nutrients 12-4-16 RO Pure Water
      Starting at $18.19
      Jack's Nutrients 15 - 5 - 20 Tap Water Fertilizer - Greenhouse Megastore
      Jack's Nutrients 15 - 5 - 20 Tap Water Fertilizer - Greenhouse Megastore
      Jack's Nutrients 15-5-20 Tap Water Fertilizer
      Starting at $18.19
      25-pound bag of Jack's fertilizer, Professional Water-Soluble Fertilizer with 24-8-16 Tropical Foliage formula, white and blue packaging with detailed nutrient information and company address.
      Jack's Professional 24-8-16 Tropical Foliage
      $62.99
      Sold Out
      Purple plastic bottle of Jack's fertilizer with green cap, labeled for orchids with nutrient ratio 7-5-6 and orchid flower image on front.
      Jack's Classic® Orchid 7-5-6
      $11.99
      Sold Out
      Jack's Classic Hydrangea Blue 7 - 3 - 3 - Greenhouse Megastore
      Jack's Classic Hydrangea Blue 7-3-3
      $11.99
      Jack's Nutrients 8 - 10 - 26 Strawberry Part A - Greenhouse Megastore
      Jack's Nutrients 8-10-26 Strawberry Part A
      $96.99
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      Jack's Professional 25 - 9 - 17 Berry Special - Greenhouse Megastore
      Jack's Professional 25-9-17 Berry Special
      $69.99
      Jack's Nutrients 6 - 6 - 26 Low Phos Part A - Greenhouse Megastore
      Jack's Nutrients 6-6-26 Low Phos Part A
      $72.59
      Jack's Professional® Interiorscape Special 21 - 7 - 16 - Greenhouse Megastore
      Jack's Professional® Interiorscape Special 21-7-16
      $108.00
      Sold Out
      Jack's Classic® Petunia FeED 20 - 6 - 22 - Sample Pack of 350 - Greenhouse Megastore
      Jack's Classic® Petunia FeED 20-6-22 - Sample Pack of 350
      $148.00
      Sold Out
      Jack's Classic Blossom Booster 10 - 30 - 20 - Sample Pack of 350 - Greenhouse Megastore
      Jack's Classic Blossom Booster 10-30-20 - Sample Pack of 350
      $148.00
      Jack's Classic® ClassiCote™ 15 - 8 - 23 with Crystalgreen® - Sample Pack of 200 - Greenhouse Megastore
      Jack's Classic® ClassiCote™ 15-8-23 with Crystalgreen® - Sample Pack of 200
      $121.00