--- product_id: 469900556 title: "JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce" brand: "jack's classic" price: "9.27 DT" currency: TND in_stock: false url: https://www.desertcart.tn/products/469900556-jr-peters-j-r-peters-inc-jacks-51508-classic-15 store_origin: TN region: Tunisia --- # 4 months slow-release nutrients Free precise measuring spoon Enhanced micronutrient blend JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce **Brand:** jack's classic **Price:** 9.27 DT **Availability:** ❌ Out of Stock ## Summary > 🌿 Feed your green tribe with confidence and watch them thrive! ## Quick Answers - **What is this?** JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce by jack's classic - **How much does it cost?** 9.27 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/469900556-jr-peters-j-r-peters-inc-jacks-51508-classic-15) ## Best For - jack's classic enthusiasts ## Why This Product - Trusted jack's classic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Burn-Safe Formula:** Highest safety factor ensures your plants thrive without risk of fertilizer burn. - • **Precision Feeding:** Includes a free measuring spoon for exact dosing—no guesswork, just perfect care every time. - • **Micronutrient Magic:** Packed with an advanced micronutrient formula to boost strong roots and lush green foliage. - • **Trusted by Plant Pros:** 4.7-star rated by hundreds of plant lovers who swear by its consistent, stunning results. - • **Sustained Growth Powerhouse:** Feeds your plants gradually for up to 4 months of vibrant, unstoppable growth. ## Overview JR Peters Jack's Classic 15-30-15 Houseplant Special Fertilizer is an 8-ounce, slow-release formula designed to nourish houseplants for up to 4 months. It features an enhanced micronutrient blend for strong roots and vibrant foliage, includes a free measuring spoon for precise application, and offers the highest safety factor to prevent burning when used as directed. ## Description Product description Releases nutrients gradually for up to 4 months of vigorous growth. Blended with an enhanced micronutrient package which provides optimal nutrition for strong roots and green foliage. Features the highest safety factor to prevent burning when applied as directed. Free measuring spoon enclosed for easy and precise application. Directions Apply as directed for safe and effective use. ## Features - Free measuring spoon enclosed for easy and precise application - Features the highest safety factor to prevent burning when applied as directed - Blended with an enhanced micronutrient package which provides optimal nutrition for strong roots and green foliage ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00KSMQM0M | | Brand Name | Jack's Classic | | Coverage | Medium | | Customer Reviews | 4.8 4.8 out of 5 stars (770) | | Global Trade Identification Number | 00671341515081 | | Item Form | Powder | | Item Weight | 8 Ounces | | Liquid Volume | 0.24 Litres | | Manufacturer | BFG Supply | | Mixing Ratio | 15-30-15 | | Model Number | 51508 | | Part Number | 51508 | | Specific Uses For Product | Houseplants | | Target Species | houseplants | | UPC | 671341515081 | | Unit Count | 226.68 gram | ## Product Details - **Brand:** Jack's Classic - **Item form:** Powder - **Item weight:** 8 Ounces - **Liquid volume:** 0.24 Litres - **Specific uses for product:** Houseplants ## Images ![JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce - Image 1](https://m.media-amazon.com/images/I/71j1fvHZ3kL.jpg) ![JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce - Image 2](https://m.media-amazon.com/images/I/41ssVByQsPL.jpg) ![JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce - Image 3](https://m.media-amazon.com/images/I/51tQGUujWGL.jpg) ![JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce - Image 4](https://m.media-amazon.com/images/I/51-Lx1hzKkL.jpg) ![JR Peters J R Peters Inc Jacks 51508 Classic 15-30-15 Houseplant Special Fertilizer, 8-Ounce - Image 5](https://m.media-amazon.com/images/I/51xNGTern1L.jpg) ## Questions & Answers **Q: Can this be used on outdoor plants?** A: Yes it can but it depends on the needs of your plants. They also have a blossom booster and all purpose formula that I use outside. **Q: What’s the difference between “all purpose” and “special”?** A: I would think that all purpose applies to all. And special meaning that it contains superb ingredients **Q: Is there any differences between this jr peters houseplant special 15-30-15 and jr peters all-purpose 20-20-20?** A: 15-30-15 is double the amount of phosphorus. It’s best to check on each plant to find out what fertilizer is suitable. **Q: Should this be refrigerated when storing in a very humid environment?** A: I keep mine under kitchen sink and we love in Florida👍🏻 ## Frequently Bought Together - Jack's Classic 15-30-15 Houseplant Special Water-Soluble Fertilizer with Micronutrients to Green-Up and Increase Blooms in Houseplants, 8oz - Jack's Classic 10-30-20 Blossom Booster Water-Soluble Fertilizer with Micronutrients for Increasing Color and Quantity of Blooms in Flowering Plants, 1.5lbs - Jack's Classic 30-10-10 Orchid Special Water-Soluble Fertilizer with Micronutrients and Extra Nitrogen, Used for Turfs and Ornamental Grasses, 8oz --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/469900556-jr-peters-j-r-peters-inc-jacks-51508-classic-15](https://www.desertcart.tn/products/469900556-jr-peters-j-r-peters-inc-jacks-51508-classic-15) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-18*