What palm trees need Lime added to the soil

[PalmGuyPSL]

Besides Foxtail palms what other palms need lime added to their soil?

[JohnAndSancho]

I'm far from an expert but I'd think it depends more on your locale and your soil vs a generic answer about specific palms 

[D Palm]

On my sand hill of 2 acres in north Florida I use 160 lbs of lime pellets every spring. My centipede grass turns from a lighter green to a deep rich green.  Creates a less friendly environment for native weeds also…or could be the weed & feed I apply too.

Only experience I have had using lime.

[Merlyn]

Here's my notes on it, mostly from @sonoranfans:

• Dolomitic Lime or Azomite - Magnesium Carbonate – reduces acidity/raises pH – slower release and adds Magnesium, helps avoid Potassium deficiencies in Cuban Copernicias. 5Lb per palm on full-size Copernicias and a bit less on Kentiopsis Oliviformis
• Garden Lime - Calcium Carbonate – fast release but works well. 5Lb per palm on full-size Copernicias and a bit less on Kentiopsis Oliviformis

In Port St. Lucie you'd need to know if your soil is plain sand + decomposing organics (acidic) or limestone/crushed shells based (high pH/basic).  If you are on high pH soils you probably don't want to add more lime, which would just raise the pH further and make most common palms (like Foxtails) very unhappy.  Slightly lower than pH 7 is usually ideal for *most* common palms, but there are ones like Satakentia, Cuban Copernicias, and probably a few others that prefer higher pH or naturally grow on limestone soils.  This was a chart sonoranfans posted earlier, showing available nutrients vs pH:

[PalmGuyPSL]

@MerlynEvery palm tree I have comes from the same palm grower 15 minutes.from my home. She sells her own bottle dolomite additive and has always told me once a year to put down the dolomite and fertilize my foxtail palms which I have done. Until recently I have just been reading about Copernicia needing it too. Funny thing is my Copernicia is planted in the same grouping with my Foxtails and I have never used lime on it before. I will ask her next week when I see her about the planting they are doing soon at my home about adding it to the Copernicia too. She doesn’t distinguish where the palms are planted as far as soil goes but just a general rule for everyone. She explained to me that in order for the foxtail to take up nutrients the need the lime to do so.  Ant really question her, she has been doing this for 35 -40 years. This is a picture of the dolomite label on the bottles she sells.

 

[Merlyn]

All I have read is that dolomitic lime raises pH.  This may be great if your soil is acidic and the palms you are growing prefer more basic soil.  But it would be bad if you have basic soil trying to grow acid-soil-loving palms.  

[Looking Glass]

I put dolomite down for Pseudophoenix and Coccothrinax and Copernicia.   Any palm that is happy growing in limestone rock and alkaline conditions should love it.   Foxtails come from acidic soil regions, as far as I know.   Some people add it to potting mixes which makes sense to me with all the peat sometimes.   

I’ve sprinkled it around other palms, that don’t seem to like it.   For everything else, I now prefer Langbeinite instead to get extra Mg and K.  I bet your foxtails would be happy with general palm fertilizer and extra Mg/K as langbeinite, and plenty of water in the hot months.