My foxtail palm has yellow fronds and the tips are brown. What does this mean?
tiki, this article should help: https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm
How often do you water and fertilize a large (20 ft. ) newly transplanted Foxtail Palm tree? It was planted yesterday.
This article should help: https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm
How fast do foxtail palms grow to a half of a meter?
These trees have been noted to grow about 2-3 feet (0.6-0.9 m) a year. For more information on growing foxtail palms, this article should help: https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm
I have a foxtail palm that has a white spotty, moldy like substance on the trunk (sticky and white), but I don't know what it is or how to treat it.
To best deal with the substance on your tree, you need to know exactly what it is. You can take a sample to the nearest university or pest control professional for analysis.
Short of that, "white and sticky" makes me think of scale or mealy bug. This article will tell you more about them, and how to control them. Even if it's some sort of mold, washing them with the soap-and-alcohol, as the article suggests, should get rid of it. https://www.gardeningknowhow.com/houseplants/palms/sticky-palm-tree-leaves-treatment-for-palm-scale.htm
My foxtail palms are starting to yellow and the palm fronds are frazzling. I fertilize with palm special regularly. Trees are out side and about 4 years old.
This article will give you some general information about fox tail palms: https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm
This article will give you more information about the condition known as frizzle top: https://www.gardeningknowhow.com/houseplants/palms/frizzle-top-on-palms.htm
For the best results, you should take some samples of the soil from around your trees to the nearest Extension Service for analysis, and to find the best course of treatment. This link will help you locate the closest one: https://www.gardeningknowhow.com/extension-search/
How to water, fertilize, remove dead fronds of foxtail palm.
Foxtail palms will normally shed their brown fronds themselves. This article will help with its care: https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm
Not sure if they are called fronds - the new shoot that grows straight up and eventually is a new branch.
You are correct - they are called fronds! During the growing season, you may see 2-3 new fronds.
For more information on the care of foxtail palms, please visit the following link:
https://www.gardeningknowhow.com/ornamental/trees/foxtail-palm/foxtail-palm-tree.htm