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Coffee Grounds?

rttunc

By rttunc
in PALMS IN POTS

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rttunc Apprentice

rttunc

Posted
Posted

I was wondering if anyone uses coffee grounds in their palms?  I've seen mixed reports but I know that too much can cause high acidity.  I don't have the ability to compost, so I try to use biodegradable things as natural ancillary fertilizer when I can (ie. egg shells for calcium).  Thoughts?

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amh Grand Master

amh

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I have used coffee grounds in potted plants before and the results were always tragic. Occasionally side dressing in ground plants shouldn't hurt.

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rttunc Apprentice

rttunc

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22 minutes ago, amh said:

I have used coffee grounds in potted plants before and the results were always tragic. Occasionally side dressing in ground plants shouldn't hurt.

Ah!  Thanks for letting me know!  I've been so pleased with my palms' growth lately (just moved to Florida) that I would not want to take any risk!

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amh Grand Master

amh

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14 minutes ago, rttunc said:

Ah!  Thanks for letting me know!  I've been so pleased with my palms' growth lately (just moved to Florida) that I would not want to take any risk!

The problems that I have had were all fungal and rot related. The coffee grounds dry out fast when they are in your filter, but when added to potting soils(top dressing or mixed), they hold too much water.

 

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Fallen Munk Mentor

Fallen Munk

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Residual caffeine inhibits growth and causes stunting.  That's why it keeps weeds down.  I've had horrible experience with using them.

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amh Grand Master

amh

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18 minutes ago, Fallen Munk said:

Residual caffeine inhibits growth and causes stunting.  That's why it keeps weeds down.  I've had horrible experience with using them.

I just compost mine. It makes the soldier fly larvae big and strong.:D

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Fusca Grand Master

Fusca

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I agree - probably not a good idea in pots but have had success using coffee grounds around the base of palms in the ground.  Very useful around cycads also which can keep scale insects from invading.

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Jon Sunder

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teddytn Grand Master

teddytn

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I’ve been composting coffee grounds for years, after broken down and mixed thoroughly they definitely benefit the composition of the compost and do add nitrogen. 
I’ve sprinkled spent coffee grounds around plants/ palms in ground as a top dressing in the past. It’s never killed anything out right, but have never seen any benefits from doing it either as far as plant growth is concerned. Neutral to leaning negative as a top dressing. In pots it may have a more detrimental effect imo. 

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