What is this made out of?

This product is a concentrated mixture of many nutrients that are critical to your tree's health and production ability including the main macronutrients of nitrogen, phosphorus and potassium, but also crucial trace minerals like zinc, iron and more.

What makes this better than competitors' products?

Simply put, it’s all in the formula! Our unique blend of nutrients has been perfected by professional agronomists doing field tests. We could go on and on but instead of hearing our boring chemistry lesson, take a look at our reviews!

Is it safe to apply where kids and pets will be around?

Yes, as long as you dilute the product with water as directed, areas you apply the product to will not pose any harm to kids or pets!

I’m a beginner, is this hard to use?

No! This is a great place to start if you’re on the beginning of your fruit tree growing journey. There's no risk it will harm your trees if you dilute it properly and it’s really easy to use.

When in the growth cycle should I start applying?

Start applying when the tree exits dormancy and continue until it bears fruit. For best results, switch to a lower-nitrogen formula (like Farmer’s Secret Fruit and Bloom or similar), though it's also fine to use this throughout the growth cycle.

How much do I apply per tree?

For trees in their first two seasons, use up to five teaspoons per week. For mature trees, use up to 10 teaspoons per week.

How often do I apply? Does the weekly dose need to be applied in one watering?

We recommend applying weekly but that doesn't mean the full dose needs to be applied in one watering. You could do multiple waterings or if you are using an irrigation system, you might apply slowly over the course of the week.

Can this product only be used on Fruit Trees?

Although the formula is optimized for use on fruit trees, the nutrients in the product are beneficial for just about any trees or plants you have in your garden. Neighboring plants getting some of the feed is not an issue at all.

Is it safe to eat fruit produced from trees fed with this product?

Yes, absolutely. Everything in this product is from naturally occurring substances that are already present in the soil and being used by your trees. There is nothing in the product that trees (and humans) don’t consume on an everyday basis.

All of our products are made in the USA. The majority of our blending and bottling is done in Kentucky!

Practically speaking, no. It has a shelf life of 10 years, so if you’re so inclined, feel free to order a decade’s worth today. Opening it will not impact that.

How do I apply? Do I spray on my trees or apply to my soil?

Either one! This product works great for soil application or foliar feeding (spraying on leaves). For soil, apply along the drip line. For foliar, spray in early morning or evening to reduce evaporation. Works with irrigation systems too.

How long does it take to see results?

It depends on a lot of factors: type of tree, climate, stage of growth cycle, etc. but we have seen some pretty amazing results literally overnight. However, usually it takes a couple applications before you really start to have noticeable results!

What makes liquid fertilizer better than granulars?

There are pros and cons to each, however, we are a bit biased towards liquid fertilizers. Liquid feed has the advantage of being immediately available for trees to utilize. Granulars can take a long time (if ever) to be useable by trees.

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Reviews

R**1

Excellent Results, Healthy Trees & More Fruit!

I’ve been using Farmer's Secret Fruit Tree Booster Fertilizer on my apple, plum, cherry and peach trees this season, and the results have been incredible! After just a few applications early in the growth cycle, I noticed stronger branches, richer green foliage, and noticeably more buds than in previous years. This formula is super concentrated—seriously, a little goes a long way. I mixed just a small amount with water according to the instructions, and one bottle is going to last me a long time. It’s a fantastic value, especially for a 128oz container. I really appreciate that it’s phosphorus-rich, which supports root development and early growth. It’s easy to apply, and the trees seem to respond quickly. I’ve tried other fertilizers in the past, but none have given me results this consistent! If you’re serious about getting healthy, productive fruit trees, this is absolutely worth trying. Great for both home gardeners and small orchard owners alike.

28.07.2025

R**A

Great for plant growth

This really helped my starter fruit trees bloom last season. Even got plums and one cherry!! . This season I'll update with pictures once I add it again. Worked extremely well for me. In im NJ zone 6a.

2.01.2026

K**A

This Stuff Is The Real Deal

Amazing stuff! This made my banana tree plant perk back up! I was skeptical but it actually works.

2.01.2026

Q**H

Food for Thirsty plant babies

I believed it worked well with my fruit trees and vegetable plants. I will continue to use next season

13.11.2025

A**E

Great results!!! Early Growth Game Changer!

Farmer’s Secret Fruit Tree Booster (32oz) – Perfect for the early growth cycle! This super-concentrated, phosphorus-rich formula jumpstarts root development, strengthens young branches, and promotes vibrant, healthy foliage. Easy to use and economical—a little goes a long way for stronger, more productive trees.

10.08.2025

T**E

Worked Great

This worked Great. Bloomed fast

13.11.2025

D**I

Still totally totally clueless on what it does it must be a secret

Tried it didn't see anything improving

15.10.2025

L**E

Good stuff. I'm sold.

Ally fruit trees have been doing great and have been getting more blooms and health after incorporating this fert into my regimine. Highly recommend. Very concentrated and dilutes well.

14.10.2025

I**A

Since I start using it my fruit trees are doing amazing, growing, have lots of peaches, cherries and apples!

14.06.2025

ASIN	B0CKKR446N
Best Sellers Rank	#2,007 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #88 in Garden Fertilizers
Brand	Farmer's Secret
Date First Available	October 6, 2023
Item Form	Liquid
Item Weight	8 ounces
Item model number	FS-fruittree8
Liquid Volume	128 Fluid Ounces
Manufacturer	Farmer's Secret
Number of Items	1
Package Dimensions	6.38 x 1.97 x 1.93 inches
Specific Uses For Product	Plant Growth, Fruit Production
UPC	850034277493
Unit Count	7.98 Fluid Ounces

Farmer's Secret Fruit Tree Booster Fertilizer (8oz) - Super Concentrated and Phosphorus Rich - Formulated for All Fruit Trees Including Peach, Banana, and Apple

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