Handcrafted, ultra-premium fertilizers for exotic, rare, and exotic plants.
Handcrafted, ultra-premium fertilizers for exotic, rare, and exotic plants.
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A clear look at the nutrients, pH targets, application methods, and formulation choices behind Exotic Plant Food.
Yes. Exotic Plant Food was designed for rare, exotic, and collector-grade plants, but the formulas can also be used on orchids, succulents, leafy favorites, and other indoor plants when used as directed.
The key is application rate. Sensitive plants, newly rooted plants, and stressed plants should always be fed lightly at first.
pH matters because it affects how easily plants can take in nutrients.
Think of pH like a gatekeeper. When the pH is in the right range, nutrients stay easier for the plant to use. When the pH is too high or too low, some nutrients can become harder for the plant to absorb.
For many rare, tropical, and container-grown plants, a slightly acidic range works well. That is why our liquid fertilizers are adjusted near pH 5.8–6.0. This range helps keep important nutrients available, especially micronutrients like iron and manganese.
Iron is important for strong green growth and healthy leaves. When pH gets too high, iron can become harder for plants to use. Manganese also becomes more available in acidic conditions, but if the pH drops too low, some nutrients can become too available and may cause stress.
That is why balance matters.
The final pH around your plant does not come from fertilizer alone. It can also be affected by your water, your growing mix, how often you feed, how strong the fertilizer is, and how much buildup is sitting in the pot.
For best results, use the product as directed and occasionally check your growing mix, runoff, or reservoir if you are using a more advanced setup. This helps make sure nutrients are staying available without building up over time.
In simple terms:
We adjust our liquid fertilizers near pH 5.8–6.0 because that range helps many rare and exotic plants access nutrients more efficiently.
This does not replace good plant care, but it gives your plants a better starting point every time you feed.
Yes. Grow Formula™ and Bloom Formula™ ready-to-use sprays can be applied as a foliar spray or lightly applied to the growing substrate.
For substrate application, use a modest amount around the root zone rather than saturating the pot with the entire bottle. Apply to an already hydrated plant and avoid heavy feeding on stressed, freshly repotted, or newly rooted plants.
Plants use nitrogen to build new leaves, stems, roots, and overall growth. But nitrogen does not come in only one form.
Two common plant-available forms are nitrate nitrogen and ammonium nitrogen. Nitrate moves easily with water and is readily available to plants. Ammonium works differently and can also be useful when it is included in the right amount. Plants are known to use nitrogen in both ammonium and nitrate forms.
Exotic Plant Food uses a balanced nitrogen approach instead of relying on only one type of nitrogen. This gives the formula a broader nutrient profile and helps support steady, active growth.
The goal is not to overload the plant with nitrogen.
The goal is balance.
Too much nitrogen, or the wrong kind of nitrogen at the wrong rate, can stress plants. That is why our formulas are designed to provide nitrogen in a controlled and thoughtful way, especially for rare, exotic, and container-grown plants.
In simple terms:
We use both ammonium and nitrate nitrogen because plants can use both, and a balanced nitrogen profile helps support healthy growth without relying too heavily on one source.
Reference: Cui, Z., Chen, X., Zhang, F., & Vitousek, P. (2018). Journey towards sustainable intensification. Nature Plants, 4(7), 430-436.
https://extension.umn.edu/nitrogen/understanding-nitrogen-soils?utm
Plants need nitrogen and phosphorus for healthy growth.
Nitrogen helps plants build new leaves, stems, and overall green growth. Phosphorus helps with root development, energy movement inside the plant, and flowering.
Ammonium phosphate provides both nutrients in one ingredient. It supplies ammonium nitrogen and phosphate, which are forms plants can use.
We include ammonium phosphate because it helps support a balanced fertilizer formula. It adds phosphorus while also contributing a usable form of nitrogen. This helps the formula support growth without relying on only one nutrient source.
The pH effect of ammonium phosphate can depend on the growing medium, water quality, plant uptake, and microbial activity in the substrate. Because of that, we do not treat it as a one-size-fits-all pH solution. Instead, we use it as part of a balanced formula designed for controlled, repeatable feeding.
For rare, exotic, and container-grown plants, balance matters. Too much of one nutrient can create problems. The goal is to provide useful nutrition without causing sharp swings in the root zone.
In simple terms:
We use ammonium phosphate because it provides both nitrogen and phosphorus in a plant-available form, helping support roots, growth, and overall plant function.
Reference: Li et al. (2020) studied how ammonium phosphate and urea affected phosphorus use efficiency in maize grown in calcareous soil. That study supports the idea that ammonium-based phosphorus sources can influence phosphorus uptake, but results can vary depending on plant type, substrate, and growing conditions.
Reference: Li, X., Qiu, J., Liu, X., Zhang, L., & Fu, H. (2020). The effects of ammonium phosphate and urea on phosphorus use efficiency of maize (Zea mays L.) and phosphorus fractions in calcareous soil. Communications in Soil Science and Plant Analysis, 51(16), 2119-2131.
Plants need nitrogen and sulfur to grow well.
Nitrogen helps plants build new leaves, stems, and green growth. It also helps with chlorophyll, which plants use to capture light.
Sulfur is also important. Plants use sulfur to help make amino acids, proteins, and enzymes. In simple terms, sulfur helps the plant build and run some of the basic systems it needs to stay healthy.
Ammonium sulfate gives the formula both nutrients in one ingredient. It provides ammonium nitrogen and sulfate sulfur, which are forms plants can use.
We include ammonium sulfate because it helps round out the formula. It supports active growth while also adding sulfur, a nutrient that is sometimes overlooked in basic plant fertilizers.
Like all nutrients, balance matters. Too much ammonium-based nitrogen can affect the root zone and may lower pH over time, depending on the water, growing mix, and feeding routine. That is why ammonium sulfate is used as part of a balanced formula, not as the whole formula.
In simple terms:
We use ammonium sulfate because it provides nitrogen and sulfur in plant-available forms, helping support green growth, protein production, and overall plant function.
Reference: Ruan, L., Lu, Z., Yang, J., Yang, X., Yang, J., Zhang, F., & Cui, Z. (2018). The effects of nitrogen and sulfur fertilization on nitrogen and sulfur uptake and nitrogen use efficiency in rice (Oryza sativa L.). Frontiers in Plant Science, 9, 71.
https://www.extension.purdue.edu/extmedia/ay/ay-204.html?utm
Plants need magnesium and sulfur to grow well.
Magnesium is especially important because it helps plants make chlorophyll. Chlorophyll is what gives leaves their green color and helps plants capture light for photosynthesis.
Magnesium also helps support enzyme activity inside the plant. In simple terms, enzymes help the plant run important growth processes.
Sulfur also plays an important role. Plants use sulfur to help make amino acids, proteins, and enzymes. These are basic building blocks plants need for healthy growth.
Magnesium sulfate, also known as Epsom salt, provides both nutrients in one ingredient. It gives the formula magnesium and sulfate sulfur, which are forms plants can use.
We include magnesium sulfate because it helps support green leaves, photosynthesis, and overall plant function. It also helps round out the formula so the plant is not only getting nitrogen, phosphorus, and potassium.
Like all nutrients, balance matters. More is not always better. Too much magnesium can interfere with the way plants take up other nutrients, especially calcium and potassium. That is why magnesium sulfate is used as part of a balanced formula, not as a stand-alone fix for every plant problem.
In simple terms:
We use magnesium sulfate because it provides magnesium and sulfur in plant-available forms, helping support green growth, photosynthesis, and overall plant health.
A scholarly article by Marschner (2012) supports the significance of magnesium sulfate as a plant nutrient, highlighting the essential role of magnesium in various physiological processes, including nutrient uptake and carbon assimilation. This study emphasizes the importance of magnesium sulfate in promoting optimal plant growth and development.
Reference: Marschner, P. (2012). Marschner's Mineral Nutrition of Higher Plants (3rd ed.). Academic Press.
Plants need potassium and nitrogen for healthy growth.
Potassium helps plants move water, control internal pressure, activate enzymes, and support overall plant strength. It also plays an important role in how plants handle stress.
Nitrogen helps plants build new leaves, stems, and green growth.
Potassium nitrate provides both nutrients in one ingredient. It gives the formula potassium and nitrate nitrogen, which are forms plants can use.
We include potassium nitrate because it helps support steady growth while adding potassium, one of the most important nutrients for plant function. It also gives the formula a nitrate-based nitrogen source, which moves easily with water and is readily available to plants.
For rare, exotic, and container-grown plants, balance matters. The goal is not to push plants too hard with one nutrient. The goal is to provide a clean, balanced feed that supports growth, water movement, and overall plant function.
In simple terms:
We use potassium nitrate because it provides potassium and nitrate nitrogen in plant-available forms, helping support growth, water balance, and stronger overall plant function.
Li et al. (2021) study demonstrated that potassium nitrate application enhances nutrient absorption, promotes balanced plant growth, and improves overall crop performance and how different NPK ratios and application timing affected potato yield, quality, and nutrient uptake.
While that study was conducted on potatoes, it supports the broader point that potassium, nitrogen balance, and application timing can influence plant performance.
Reference: Li, H., Wang, Z., Liu, C., Cheng, M., & Cui, Z. (2021). Effects of Different NPK Ratios and Their Split Applications on Yield, Quality, and Nutrient Uptake of Potatoes. Agronomy Journal, 113(5), 3420-3430.
Have you ever thought about why your plants aren't doing well, even though you're taking good care of them? The reason could be the mix of nutrients in your fertilizer, called NPK (nitrogen, phosphorus, and potassium). Each plant has different needs, so it's crucial to pick a fertilizer that matches what your plants require. This means thinking about things like the type of soil, how you want your plants to grow, and what nutrients they need. Ultimately, in our years of large Ag experience, these ratios (in our opinion) were worked out to be the best for a vast majority of exotic and rare flora.
Exotic plant species are often faster-growing with a higher demand for N-P and K (e.g., MacKown et al. 2009), and consequently are able to deplete Nitrogen, phosphorus, and potassium more rapidly than native plant species that are slower-growing and adapted to different soils and conditions (Vallano et al.)
Unfortunately, many commercially available fertilizers are too generic and not designed for the specific needs of exotic flora. In fact, using the wrong fertilizer can lead to nutrient lock-out and even plant death. That's why it's crucial to conduct soil tests and sap analysis to determine the optimal NPK ratio for your specific plant fertilization needs.
Fertilizer alone isn't the only factor in promoting plant health and productivity. Proper lighting conditions which we found to be a range of a low end of 85 - 400 PAR/PPFD (Photo-Adaptive Radiation and/or Photosynthetic Photon Flux Density), water management (frequency, volume and timing/routine), integrated pest management strategies / applications; and pruning techniques are also crucial for yielding the best results. So, take a comprehensive approach to plant care and watch your exotic plant species thrive like never before.
It was decided that after all of the data compiled and analyzed from the above aforementioned components these values fit with the macro-metabolic and stomatic respiration rates that most of the exotics have, while also taking into consideration their growth/expansion rates, soil conditions on average, frequency of watering events and duration/ quality of lighting sources and most domicile temperature/humidity values on average. All of this was considered when determining our nutritive values.
This field experiment cited below, was performed to evaluate the efficiency of potassium (K) foliar spray against soil application on hybrid maize. Treatments were controlled, soil applied 75 kg K2O ha-1, foliar spray 1% K2O, foliar spray 2% K2O, foliar spray 3% K2O, fertigation 75 kg K2O ha-1, and split application in soil 75 kg K2O ha-1. Potassium foliar sprays increased yield and its components as well as quality attributes greater than that with soil application, splitting or fertigation. The highest biological and yield were 15.0 and 8.08 t ha-1, respectively under foliar treatment of 3% K2O, followed by 2% K2O foliar spray. Greater net benefit and benefit cost ratio were with foliar application. Foliar spray of potassium >3% concentration was more efficient for increasing growth and yield of maize crop as compared to soil application and fertilization of potassium fertilizer.
Which is why after many years of buying and using a plethora of commercially available fertilizers from big box stores I have learned and seen that a vast majority of them are not designed for exotic or special needs plants and are in fact more generic than specific, often too much of; or too little of the nutrients needed to help thrive and not burn alive or starve to death.
In furtherance of the above explained rationale, soil/substrate tests were also conducted on several of the species I cultivate at home to determine what if/any nitrates, phosphorous or potassium elements were being left behind so we could make better use of what the plant is being given without leaving excessive nutrients behind causing nutrient lock-out and eventually plant disfigurement or death in some cases.
Which is how & why Exotic Plant Food was created. I believe that plants, like people, are what they eat and that providing your plants with a more specific and simpler menu they will thrive like never before.
I hope this explanation helps.
Management~
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