There are more essential foods - see below. You will want to get the right fertilizers for your plants. Use the same amounts but spread the feedings into smaller meals. If you don't use proper fertilizer on ixora, your plants will have very poor blooms and yellow foliage . If you have citrus trees, you'll need to buy at least one bag of citrus fertilizer.
Minor elements are critical for citrus health.
See the article for more information . South Florida soils are terrible for citrus. For good fruit and healthy trees, by a bag. In the past two years, even palm fertilizers have degraded in content. Don't let these labels influence your purchase.