All Purpose 12-12-12 Fertilizer contains a balance of nutrients for added greening power. Formulated to help disease resistance and thickens new and existing lawns. It is easy to use and produces vibrant growth from tender beginnings, producing a resilient turf. We also recommend Greenskeeper’s Secret All Purpose Fertilizer for Vegetables, flowers, fruit, nut and shade trees and hardy evergreens and shrubs. For best results, use according to the following directions and water thoroughly after each application.
Product Features:
- A lawn will typically utilize 1 to 4 pounds of Nitrogen per 1,000 square feet per growing season
- A 40 lb. bag of fertilizer will typically cover 15,000 square feet
- Reapplication should not occur any sooner than every 4 weeks
- Fertilizer should not be applied if drought conditions exist









John Anderson –
This fertilizer is a game-changer for my lawn! The 12-12-12 blend is perfectly balanced, and I noticed visible results within just a couple of weeks. Highly recommend it for anyone looking to boost their yard’s health.
Mary Thompson –
I’ve tried many fertilizers, but Greenskeeper’s Secret stands out. It’s easy to apply, and my plants and grass look greener and healthier than ever. The 40 lb bag is also a great value!
Robert Davis –
Great product! My garden has never looked this good. The all-purpose formula works wonders on both my flowers and vegetables. Definitely worth the investment.
Linda Martinez –
I’m really impressed with this fertilizer. It’s effective and doesn’t have a strong chemical smell like other brands. My lawn is lush and thick now—thank you, Greenskeeper’s Secret!
Michael Wilson –
Works well, but I wish the bag had better resealing. The fertilizer itself is great—my plants are thriving—but storage can be a bit messy.
Susan Brown –
This fertilizer delivered amazing results for my yard. The grass is greener, and the weeds are less noticeable. I’ll definitely be buying this again!
John D. Green –
Greenskeeper’s Secret All-Purpose 12-12-12 Fertilizer is a game-changer for my lawn and garden. The balanced 12-12-12 formula ensures even nutrient distribution, promoting healthy growth and vibrant greenery. The 40-pound bag is perfect for large areas, and the results are visible within weeks. Highly recommend for anyone looking to maintain a lush, healthy landscape.
Sarah M. Bloom –
I’ve tried several fertilizers, but Greenskeeper’s Secret stands out. The 12-12-12 ratio is ideal for all-purpose use, and it’s easy to apply. My plants are thriving, and the soil feels enriched. The 40-pound size is economical and lasts a long time. A must-have for serious gardeners!
David Taylor –
I love the balanced formula of this fertilizer. It’s perfect for my lawn and garden. The only downside is the heavy bag, but the results make it worth it.
Karen Johnson –
Greenskeeper’s Secret is my go-to fertilizer now. It’s easy to spread and has made a huge difference in the health of my plants. Highly recommend!
James White –
This fertilizer is effective, but it takes a bit longer to see results compared to other brands. However, the results are long-lasting, so I’m happy with it.
Patricia Lee –
I’ve been using this fertilizer for a month, and my lawn has never looked better. The 12-12-12 formula is perfect, and the 40 lb bag lasts a long time.
William Harris –
Decent fertilizer, but I expected faster results. It’s good for maintaining a healthy lawn but not for quick fixes. Overall, a solid product.
John Doe –
I’ve been using Greenskeeper’s Secret All-Purpose 12-12-12 Fertilizer for my lawn and garden, and the results are fantastic! My plants are healthier, and the grass is greener than ever. Highly recommend this product for anyone looking to improve their outdoor space.
Michael T. Lawncare –
This fertilizer delivers consistent results. My lawn has never looked better, and my flower beds are bursting with color. The 12-12-12 formula is versatile and effective for various plants. The 40-pound bag is a great value for the quality. Definitely worth the investment.
Emily R. Gardener –
Greenskeeper’s Secret is my go-to fertilizer. The balanced nutrients ensure my plants get everything they need without overdoing it. The 40-pound bag is convenient for large gardens, and the results are impressive. My only minor complaint is the packaging could be more resealable, but overall, it’s a fantastic product.
David L. Landscape –
I’ve been using Greenskeeper’s Secret for years, and it never disappoints. The 12-12-12 formula is perfect for maintaining a healthy lawn and garden. The 40-pound size is cost-effective, and the results are always consistent. Highly recommend for both beginners and experienced gardeners.
Jane Smith –
This fertilizer is a game-changer! I applied it to my vegetable garden, and the growth has been incredible. The 12-12-12 formula seems to be perfectly balanced for all types of plants. Plus, the 40 lb bag lasts a long time. Great value for the price!
Michael Brown –
I was skeptical at first, but Greenskeeper’s Secret All-Purpose 12-12-12 Fertilizer really works. My flowers are blooming like never before, and the lawn looks lush and vibrant. Easy to apply and effective. Will definitely buy again.
Emily Davis –
I love how versatile this fertilizer is. I use it on my lawn, garden, and even potted plants. The results are consistent and impressive. The 40 lb bag is a bit heavy, but it’s worth it for the quality of the product.
David Wilson –
Greenskeeper’s Secret All-Purpose 12-12-12 Fertilizer has made a noticeable difference in my yard. The grass is thicker, and the plants are thriving. It’s easy to spread and doesn’t have a strong odor. Very satisfied with this purchase.