what causes new phal leaves to grow smaller ?
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  #1  
Old 12-17-2017, 08:16 AM
Evendozen Evendozen is offline
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what causes new phal leaves to grow smaller ? Female
Default what causes new phal leaves to grow smaller ?

If light and temperature along with humidity are adequate could it be they need more nitrogen ? I feed weakly-weekly with mostly Dyna-Gro orchid pro which is a 7-8-6 formula and do have Miracid here {30-10-10} Any advise is appreciated .
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  #2  
Old 12-17-2017, 08:57 AM
Mountaineer370 Mountaineer370 is offline
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what causes new phal leaves to grow smaller ? Female
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The first thing that comes to mind is: Are you sure they're done growing? I've never done any measuring to actually determine when mine stop growing, but it does seem like it takes months for them to mature.
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Old 12-17-2017, 09:18 AM
jkofferdahl jkofferdahl is offline
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Check your watering schedule. This is often a sign of inadequate water.
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Old 12-17-2017, 09:24 AM
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what causes new phal leaves to grow smaller ? Female
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Quote:
Originally Posted by Mountaineer370 View Post
The first thing that comes to mind is: Are you sure they're done growing? I've never done any measuring to actually determine when mine stop growing, but it does seem like it takes months for them to mature.
I believe they are done growing as more new leaves have appeared that are also smaller. I think when another leaf grows the previous one is done growing?

---------- Post added at 09:24 AM ---------- Previous post was at 09:19 AM ----------

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Originally Posted by jkofferdahl View Post
Check your watering schedule. This is often a sign of inadequate water.
I am more likely to overwaterr . A lack of sufficient root system would be a reason for inadequate uptake of water to the leaves as well ?
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Old 12-18-2017, 02:22 AM
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If this is a new Phal, it could be that's it's still having some trouble adjusting to your conditions. I've had Phals do that when they went through periods of neglect: not enough water and no fertilizer during their growing season. (Yes, I was a bad orchid mom, but went through a rough period a couple years ago)
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Old 12-18-2017, 04:17 AM
katrina katrina is offline
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If it is happening with all the newer leaves, it can also be a result of better/more intense light. Brighter light = less leaf surface is needed.
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Old 12-18-2017, 06:18 AM
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If it is happening with all the newer leaves, it can also be a result of better/more intense light. Brighter light = less leaf surface is needed.
That's true and I've seen it on my own Phals, though the leaves tend to be narrower rather than shorter. The OP would need to post some photos.
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Old 12-18-2017, 08:24 AM
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These are good suggestions. I am really stumped ! The phal with the most extremely small leaves is starting a spike. Older leaves were around a 14'' spread and now down to about 6''. The plant and roots look very healthy. I will post a picture when I figure out how.
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Old 12-18-2017, 09:46 AM
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Originally Posted by Evendozen View Post
These are good suggestions. I am really stumped ! The phal with the most extremely small leaves is starting a spike. Older leaves were around a 14'' spread and now down to about 6''. The plant and roots look very healthy. I will post a picture when I figure out how.
For the photos, I don't have time to properly reply so have a look at my post from earlier today in this thread, it might help.
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Old 12-18-2017, 09:50 AM
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