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The Best Organic Fertilizers for Bougainvillea

Bougainvillea are the lush and sprawling evergreen flowering vines that transport you to the tropics upon sight of them. Known botanically as Bougainvillea brasiliensis, they are native to Brazil and are grown widely in temperate, Mediterranean and tropical climates. As fast growing, climbing vines they consume significant amounts of fertilizer to fuel their growth, according to Texas A&M University's AgriLife Extension. They thrive on organic fertilizers similar to those for other tropical woody plants such as palm and hibiscus.

Gardner & Bloome Palm,Tropical & Hibiscus Fertilizer

Kellogg Gardner & Bloome Palm, Tropical & Hibiscus Fertilizer is a complete, organic product with a guaranteed analysis of 4-6-4. It can be spread around bougainvillea roots out of the package applying 1 to 2 cups several times a year. It can also be steeped in water for 24 hours to make a fertilizer tea for a gentle, fast-acting boost of nutrients.

Espoma Palm-Tone

Formulated for tropical plants including palms and hibiscus, Espoma's Palm-Tone is a complete organic fertilizer with a guaranteed analysis of 4-1-5. It is ideal for bougainvillea vines and should be applied four times a year in the label-recommended dose commensurate with the size and maturity of the bougainvillea planting.

Dr. Earth Organic 10 Palm, Tropical and Hibiscus Fertilizer

Dr. Earth's Organic 10 fertilizer for palms and other tropicals is also ideal for bougainvilleas. It is a complete fertilizer formulation with a guaranteed analysis of 6-4-6. It is rich in magnesium, fish bone meal and contains beneficial soil microbes. It should be applied several times each year at 2- to 3-month intervals in an amount in keeping with the size of your bougainvillea.

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