Best Fertilizer for Bougainvillea in 2022 – A Complete Buying Guide

Bougainvillea are evergreen floral vines that transport you to the tropics with their exotic scent. Because they are climbing vines that grow quickly, they require a lot of fertilizer to keep growing. Like palms and hibiscus, these tropical woody plants flourish on organic fertilizers, which is similar to what palms and hibiscus do.

Make sure to feed your Bougainvillea with a fertilizer that contains phosphate and nitrogen to ensure that the flowers on your plant bloom properly. Bougainvillea benefit from little amounts of iron that have been highly bioavailable to help them retain their vibrant colors.

Best Pick

Nutri star - Nelson Bougainvillea

Nutri star – Nelson Bougainvillea


Editor’s Choice




Budget Pick

Dr Earth's Exotic Blend

Dr Earth’s Exotic Blend


5 The Best fertilizers for bougainvillea plants

Bougainvillea bulbs require nitrogen and phosphate to thrive in their natural environment. Fertilizers containing nitrogen, phosphorus, and iron are abundant in organic and inorganic fertilizers. Other macro and micronutrients can be found in a decent bougainvillea fertilizer, so read the label before applying the fertilizer. Some of the most effective fertilizers for Bougainvillea blooms are listed below.

1. Nutri star – Nelson Bougainvillea

Nutri star - Nelson Bougainvillea

Nelson is a well-known brand of plant fertilizer. They produce fertilizer specifically for a specific plant. Bougainvillea plants are created with the safest inorganic chemicals available. According to the NPK formula, it has a 17 percent nitrogen content, and the best part is that it is available in two forms: slow release and quick release, depending on the application. So, in addition to being fed instantly by the quick-release nutrients, Bougainvillea’s can also be fed slowly by the slow-release nutrients for a specified period.

Aside from that, this fertilizer contains 7 percent phosphate, 10 percent potash, 10% sulfur, 0.8 percent magnesium, 2 percent iron, 0.05 percent copper, 0.15 percent manganese, and 0.2 percent zinc, among other elements. Also contained inside this compound are 0.05 percent copper and 0.15 percent copper.

When you use this fertilizer, you will ensure that your Bougainvillea grows strong and produces beautiful, long-lasting blooms by supplying all of the nutrients it requires. This is a non-organic fertilizer that you can use to feed your plants. On the other hand, the nutrients are derived from non-toxic inorganic chemicals such as urea form, ammonium sulfate, potassium sulfate, magnesium sulfate, and other similar substances.

Bougainvillea plants, both in the ground and in containers, can be fed to increase their resistance to drought and other stresses without causing any damage to the plant’s leaves or stems. Aside from Allamanda and Coral Vines, other flowering vines that can benefit from this fertilizer include Dipladenia, Honeysuckles, Mandevilla, Passion Vines, and Trumpets.

To achieve the greatest results, make sure to apply one tablespoon of granular fertilizer for every 20 square feet of land. After adding the mixture to the plant, make sure to water it. Then, reapply the product two weeks after the first application. Refer to the fertilizer label for more specific dosage instructions.

Also Read: The 5 Best Fertilizer for Corn & Get the Most of Yields Faster


  • Organic
  •  Nutrient Ratio: 17-7-11
  • Granular
  • Slow Release

Pros and Cons of Nutri star – Nelson Bougainvillea

  • Helps flowering vines tolerate dry weather better, promotes abundant flowering, and increases woody vine size and strength.
  • NutriStar works with the soil and soil biology to feed your flowering vines the proper nutrients at the right time. Your plant gets an immediate boost, with long-term benefits that keep feeding.
  • Incorrect fertilizer dose might cause harm

2. Bougain


BOUGAIN is an all-purpose fertilizer developed by BGI, the largest U.S. nursery specializing in growing Bougainvillea. BOUGAIN is available in a variety of strengths. This fertilizer, which is simple to apply, contains a nutritious ratio of 6-8-10 and 5 percent iron. The fragile root system of the Bougainvillea was the subject of ten years of research in the flower industry.

BOUGAIN promotes plant health and growth by supplying plants with adequate nutrition levels. This is accomplished by increasing the number of flowers produced, strengthening the roots, and improving the color of the leaves. It is the industry leader in bougainvillea-specific plant food due to its achievements in the field. When applying fertilizer, you must follow the instructions provided by the manufacturer. Finally, the soil has to be carefully rinsed to complete the process.

Features of Bougain:

  • A micronutrient analysis of the 6-8-10 fertilizer is also included.
  • Quick-Release fertilizer
  • It provides nutrition for up to 4 weeks, reducing the need to fertilize on a regular basis.

Pros and Cons of Bougain:

  • Bougainvilleas are attracted to plants that are high in micronutrients.
  • Specially developed for Bougainvillea’s unique growing and blooming requirements.
  • Excellent for tropical and floral plants’ nutrition.
  • Misuse of fertilizer can be more harmful than beneficial.
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3. Dr Earth’s Exotic Blend

Dr Earth's Exotic Blend

Dr Earth Exotic Blend is a fertilizer for tropical and subtropical blooming plants such as plumerias, hibiscus, and Bougainvillea that bloom throughout the spring and summer. No GMOs, chicken manure, or sewage sludge are included in this formulation. Thus it is safe for both humans and animals. In addition, this all-in-one fertilizer gives a consistent supply of nutrients to your plants for several months, making it an excellent choice for those with demanding growing conditions.

TruBiotics’ patented mixture of beneficial soil bacteria and 18 different strains of endo and ectomycorrhizae are added to the mix to boost nutrient availability and plant performance. Exotic Blend has the potential to increase both the soil’s health and the health of your plants at the same time when used properly.

According to the manufacturer’s recommendations, bonsai vines that are already established should be fertilized with 1 cup of fertilizer for every inch of trunk diameter. Then, after gently sprinkling into the soil, thoroughly water the area, careful not to go over the drip line.

You May Also Read: What are the Advantages of Synthetic Fertilizers?

Features of Dr Earth’s Exotic Blend:

  •  Organic, No GMO’s
  •    Nutrient Ratio: 5-4-6

Pros and Cons of Dr Earth’s Exotic Blend:

  • Handcrafted organic & natural combination
  • This product is ideal for all flowering plants in your garden.
  • No GMOs, no chicken dung, no sewage sludge (“Bio solids”) to spoil this wonderful mix.
  • More harm than benefit results from using the wrong amount of fertilizer.
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4. BGI – Bougainvillea Fertilizer

BGI - Bougainvillea Fertilizer

Only the Bougainvillea can benefit from BGI Bougainvillea Fertilizer, formulated exclusively for this plant. One of the most notable characteristics of the BGI brand is that they always test their fertilizer in their garden before distributing it. As a result, you can expect them to produce high-quality products for you. 6-8-10 is the nitrogen-potassium-calcium value of this fertilizer. There is 66 percent nitrogen, 8 percent phosphate, and 10 percent potassium in there, among other things. According to experts, this is the optimal Bougainvillea to pot size ratio.

Aside from that, it contains 2.4 percent nitrogen that is water-insoluble and slowly dissolves in water, feeding your plant over some time. However, this fertilizer also contains chelated iron, magnesium, copper, and additional macro-and micronutrients for your Bougainvillea’s, making it an excellent choice for them. Many nontoxic substances are employed to produce this granular inorganic fertilizer, which is used to fertilize crops.

For better results, adding one tablespoon will suffice for a 6-inch pot, and two tablespoons will suffice for a 2 to 3 inches tall plant. Next, lightly mix the earth around the plant and water it.

Features of BGI – Bougainvillea Fertilizer:

  • Granular
  • Nutrient ratio: 17-7-10
  •  Quick release

Pros and Cons of BGI – Bougainvillea Fertilizer:

  • Especially designed for use with bougainvillea
  • The key to gorgeous bougainvillea blossoms is 5% iron content
  • This flowering plant food boosts the size, number, and vibrancy of your flowers.
  • The leaves will be burned if we do not follow the directions
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5. Fertilome Bougainvillea & Flowering Vine Food

Fertilome Bougainvillea & Flowering Vine Food

Another Fertilome NPK fertilizer can be beneficial to the Bougainvillea plant. Fertilome has been in the business of producing high-quality organic and inorganic products for over 53 years. It is recommended that you use Fertilome fertilizer for Bougainvillea to increase the number and quality of your flowers. The NPK number for this fertilizer is 17-7-10, which makes it an excellent choice for growing Bougainvillea and other flowering vines because it encourages healthy development and gorgeous blossoms.

The amount of urea nitrogen included in this fertilizer accounts for 13.40 percent of the total. It’s important to remember that urea fertilizer delivers a significant amount of energy to the plant. As a result, you must have a better result sooner rather than later, but there is a risk of overdosing on the plant. To avoid overeating, it is important to follow the dosing instructions for this fertilizer to the letter. Furthermore, this fertilizer contains all of the additional nutrients your Bougainvillea will require to reach the end of its life cycle healthily and productively.

This product contains an organic fertilizer that does not contain any dangerous chemicals for the plants to consume. Fertilome fertilizer is made from nutrient-dense ammonium sulfate and other fertilizers, among other sources. To produce this fertilizer, ammonium sulfide and other fertilizers are combined. Fertilome fertilizer, derived from ammonium sulfate and other nutrients, is created from ammonium sulfate and other nutrients used in agriculture.

To acquire the greatest results, it is necessary to One tablespoon will suffice for an 8-inch pot; two tablespoons will suffice for an individual ground plant. After adding the mixture to the plant, make sure to water it. After two weeks, repeat the application of the solution to induce flowering.

Also Read: Best Fertilizer for Outdoor Grow -The Surprising Secret to Creating a More Production

Features of Fertilome Bougainvillea & Flowering Vine Food:

  •  Granular
  •   Nutrient ratio: 17-7-10

Pros and Cons of Fertilome Bougainvillea & Flowering Vine Food:

  • This flowering plant feeding promotes blossom size, number, and colour vibrancy
  • Use on Bougainvillea and other Flowering Vine plants.
  • Apply every two weeks until blossoming, then monthly for better results
  • Plants may grow at an excessively rapid rate.
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When and How Should You Fertilize Your Bougainvillea?

When and How Should You Fertilize Your Bougainvillea

Application of a fertilizer containing nitrogen and phosphate to your Bougainvillea once a month throughout the blooming season is recommended. If you have bougainvillea vines growing in the ground, lightly scratch half a cup of granular fertilizer into the soil surface with a trowel or a hand cultivator to help them thrive.

Properly water the plant once it has been fertilized, and if the plant is in a container, make certain that the drainage holes are enough. When growing plants in pots, use a half-strength liquid plant fertilizer in conjunction with a water-soluble fertilizer. After dissolving one tablespoon of fertilizer in one gallon of water, moisten the potting soil mix in the container. Overwatering your Bougainvillea, which blooms and thrives best when the soil is somewhat dry.

Frequently Asked Questions (FAQs)

How to Get Bougainvillea to Bloom More?

You will only be able to attain the intended results if you take the necessary precautions. For an indoor plant to flourish, you’ll need to make sure it receives at least 3-4 hours of direct sunlight each day and choose a container that is adequate for its size.

It is now necessary to feed the plants with the appropriate fertilizer. Remove a few leaves from the plant to help it blossom more quickly

It is important not to over-fertilize or over-water your plants. When the ground feels parched, a modest amount of water should be applied to relieve the situation

What is the Most Effective method of Caring for my Bougainvillea?

Ideally, fertilize bougainvillea every two weeks with a liquid fertilizer or all-purpose organic fertilizer to ensure that it remains in good condition throughout the year.

Is there a Perfect time of Year to Apply Fertilizer to a Bougainvillea?

Bougainvillea should be fertilized either in the spring or after it has been clipped, depending on the season.

Is it Possible to Grow Bougainvillea in the Shade?

It is not possible for Bougainvillea to flourish in complete shadow, although it can withstand a moderate amount of shade.

Final Thought

Bougainvillea is a popular landscape plant in hotter climates due to its resilience and the magnificent color it generates when it blooms. It is also a good choice for planters. When properly cared for, bougainvillea plants provide their owners with a spectacular display of color and vibrancy that is almost completely free of pests and parasites, making them an excellent choice for gardeners. 

A persistent favorite because of its gorgeous, long-lasting flowers, the Bougainvillea is a big favorite. However, it is necessary to provide the plant with high-quality nutrition to accomplish this. Using one of the fertilizers discussed above, it is simple to provide the necessary nutrients for plant growth to your plants.

Also Read: How Long Does Fertilizer Take to Work? All You Need to Know

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