

🌱 Unlock your garden’s full potential with every drop!
Humboldts Secret Golden Tree Liquid Plant Food is a concentrated, all-in-one nutrient solution designed to enhance plant growth indoors and outdoors. Its unique blend of kelp, minerals, and carbohydrates improves nutrient uptake, strengthens stems, and promotes vibrant, healthy plants across vegetables, flowers, fruits, and lawns. Trusted by gardeners nationwide, just 16 ounces can treat up to 224 gallons of solution, delivering exceptional value and consistent, noticeable results.































| ASIN | B00FHQ994A |
| Best Sellers Rank | #24,609 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #756 in Garden Fertilizers |
| Brand | Humboldts Secret |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,525) |
| Global Trade Identification Number | 00859680937492 |
| Is Discontinued By Manufacturer | No |
| Item Form | Liquid |
| Item Weight | 1 pounds |
| Item model number | Secret |
| Liquid Volume | 16 Fluid Ounces |
| Manufacturer | Humboldts Secret |
| Product Dimensions | 12 x 6 x 12 inches |
| Specific Uses For Product | Hydroponics,Plant Food |
| UPC | 859680937492 |
| Unit Count | 16.0 Ounce |
J**Z
Hugely successful grows with Humboldt's Secret
I use the whole Humboldt's Secret nutrient line on plants grown indoors in tents with automated lighting, circulation and exhaust fans and manual feeding, watering, temperature and humidity controls. My flowers are cup quality, every time. Top quality nutrients, broad spectrum, easy schedule and dosing and super reasonable compared to other brands with comparable offerings. On average, I'd say my return on investment in yield:nutrient is about 50:1. Hard to argue that. I'm a believer.
L**T
Not bad! Using it on my flower garden
Not bad! Using it on my flower garden. The annuals....impatien, petunia, viola showed faster growth and more vibrant colors in 3 days after applying 1/2 teaspoon per gallon. Careful on the marigold though. They burned with the same mix, but coming back strong on day 6. Will mix 1/4 teaspoon per gallon on those for the next feeding. The perrenials...columbine, lavender, snap dragon, begonia, lithodora, allysum, asian lily and geranium took about 5 days to show very minor improvement. None burned with the 1/2 teaspoon mix but will go with 1/4 teaspoon mix for next feeding on those to just play it safe. Tested on one of 6 different variety's of hybrid tea bare root roses that have been in the ground since early February and this thing has exploded in the best way in 5 days. WOW! It was the weakest looking of the 6 and it is now overtaking the others. Will stick with the 1/2 teaspoon mix on the bare root roses until after I see how a mature, full sized rose bush reacts to my feeding it this morning the full teaspoon mix. My 3 tomatoes, a yellow heirloom cherry, San Marzano heirloom and sweet red cherry liked the 1/2 teaspoon mix 6 days ago and growing faster, fuller since. Strawberry's not good with my test of a 1/2 teasppon mix on 1 of 4. It burned within a day and a half and is now dead in 3 days. No Golden Tree on my strawberry's until I get some feedback. Bummer! My cantaloupe took off within 3 days of a 1/2 teaspoon mix on it and will be applying same on a jalapeno, bell pepper, mint and chive for thier first feeding's tomorrow. All in all...I'm very happy. I like the organic factor and the results have been noticeably remarkable, strawberry aside. Now' if Humboldt figured out a way to put some ingredient in there to defeat the gohers?....I'd have the best of both worlds.
J**T
Excellent addition to my fertilizing program!
I will start off by saying I bought a 2 ounce of this plant food over a year ago and stashed it to use in my garden this year. Well, not only did it keep extremely well it also is a miracle for my garden! For the first month of my garden, I used my previous fertilization program but didn't see much growth in my plants. The beginning of the second month I decided I was going to use this plant food in addition to my fertilizer plan. It has amazing results! Not only do I use it on my tomato plants, my peppers, cucumbers, watermelon, cantaloupe, lettuce and strawberries, it also works wonders on all the rest of my plants including my fresh herb garden and flowering plants! My garden and yard have so much color now it's unbelievable, and by taking pictures every week of my garden's progress the difference is astounding. Recently my cantaloupe and cucumber plants ended up being a target for rabbits, but even with doses of this stuff every two weeks these plants have made a remarkable recovery! Because of the expanse of all my plants, I just placed my next order for this amazing fertilizer and can't wait to continue using it! Also: my fertilizer is a mix of kelp, fish, and myco tea in addition to use of Golden Tree. I also regularly place a mix of compost on the soil for additional nutrients, support and moisture control which is a blend of grass clipping, coffee grinds and fresh mulch.
L**U
Glad I discovered a great product!!!
Full disclosure: I received a promotional offer for my review. I rely on honest opinions and reviews, in order to make an informed decision as to the suitability of a product before I make a purchase. In turn i like to share my product experiences with others. Here in New England we had a rather long winter season, and as a result, the roads were overdosed in salt and other ice melting chemicals. This resulted in my front yard receiving a rather unhealthy amount of salt, thereby causing my ornamental plants to suffer with late budding. I tried to flush the affected areas with R/O water to loosen up and drain away any contaminates. Afterwards, i came across Golden tree in my searches for sick plant nutrients and soon began digesting all that I could learn from the manufactures claims as well as all of the public comments. The claims seemed to be miraculous, so I decided to order a bottle and wait the 2 additional days to give my trees a healthy nutrient feeding. Upon receiving my bottle I carefully read the instructions, as it was stated that Golden tree is highly concentrated and replaces many other types of plant supplements. I carefully measured out 5ml for 1 gallon of water and added 5ml of Dyna grow Folliage pro for each tree. My trees began to respond rather well to this Golden Tree, both in terms of budding and new grow to flowering. The trees that I have are French Lilac, Clematis (Jack Manny), and Dogwood (Cherokee Princess) As of the time of this review my trees will be on their third feeding, and they have done remarkably well. I will be ordering more of this product in the future and I would highly recommend Golden tree to my friends and family. One last note: I will up my review from 4 stars to 5 once i have had an opportunity to test Golden tree in a hydroponic setting, I would love the chance to do a side by side comparison to see any and all benefits. But for now, this product is pretty dam good, it saved alot of invested time and money in my ornamental trees and that means alot to me.
S**N
Tomate
8**8
My 10+ year old roses had barely flowered in the 2 years since being transplanted from the previous house. I saw this product on Amazon in "suggested items". The reviews seemed almost too good to be true... Rose #1 - looked "dead but alive" with no sign of flowers for 2 years - this year full of life, new growth, as many flowers as best year previously Rose #2 - was alive and well but just a couple of flowers each year recently - this year new growth and more flowers than seen before Rose #3 - was alive and well (and the largest overall) but had less flowers than before the move - this year there was more new growth and more flowers than I would have thought possible - the plant was barely able to support the sheer number of buds/flowers For small plants, the manufacturer appears to advise 2ml per US gallon (3.785 litres) - for those outside the USA this is equivalent to 0.528ml per litre For large plants the manufacturer appears to advise 5ml per US gallon (3.785 litres) - for those outside the USA this is equivalent to 1.321ml per litre For the roses, I had success using 1ml per litre (for easy measuring)... but plan to use the full 1.321ml/litre in future (60ml - the smallest bottle - will make approx 133 litres for small plants or approx 45 litres for large plants) Overall i'm very happy - slightly amazed - and will certainly buy this again
J**N
Tengo varios arces japoneses afectados de verticillium, pensaba que terminarían muriendo, los he tratado con este producto y en una semana han vuelto a brotar, es un hongo que no desaparecerá, pero al menos los arboles parece que sobrevivirán. Es un producto caro, pero considero que efectivo. Por otro lado el vendedor debería indicar el tamaño del envase y la cantidad incluida en el mismo.
R**.
this product, very scary to use indeed, works way more than expected. I grew medicine plants in soil/potted outdoor in my back yard so i could really watch them react to this product. I did simple basic test with 2 plants. One fed with this Secret food and the other only with plain ph'd water (my proper care in short) . You should see how tall the one i fed with secret food is. I put both plant in 40L / 10 gallons pots and the biggest one is over 12 feet tall. Its astonishing how big she got next to her sister. Both same strain, same age. One fed with "steroids for weed" and the other with natural and organic stuff only. Love it or hate it . I made one big moth**F****ng cannabis tree . Its way too big ! Would buy again next year for sure and try to make an official record since Cannabis is now legal in Canada ! (Notice ; i am a beginner in the world of gardening in general, i made alot of mistake and this "secret food" clearly helped me out during the worst mistakes) *[un-calibrated ph-meter for instance]*. for 13$ , i am the only one with a plant that tall in my urban area for miles around i'm telling you time of the video is A week or so before harvest - They were FULLY GROWN, BEAUTIFUL considering their growth stress inflicted by me.
A**O
Compre este producto antes y olía muy mal. Este no huele nada mal así que estoy deseando usarlo en mi jardín ya que muchas personas dicen maravillas de este producto. El envío llego perfecto y puntual como siempre.
Trustpilot
2 months ago
2 weeks ago