Flower spike on my Phal equestris is too short
 

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The flower spike is shorter than last year. Last year's spike has a keiki but the keiki is not growing roots or leaves.

It was repotted last year in orchiata and perlite with leca at the bottom and this winter I added a layer of sphagnum moss on top.

The roots look healthy but the latest leaf a little smaller than the last leaf. Maybe it needs a bigger pot?

The humidity in my condo is pretty low (20-30%) so I added a top dressing of sphagnum moss to most of my orchids. The humidity should improve when the weather warms up.

Any advice?

Thank you!

Not sure what a standard length is. I was thinking that as long as the orchid just puts out some flowers - regardless of spike length, then that would be great.

Maybe the spikes become longer and larger with the size of the plant.

The spikes in mine are not always the same length, not are the leaves all the exact same size. I don't think I'd worry.

Plants grown in higher light can sometimes have shorter spikes, because the spikes don't have to grow as long to stretch toward the light. But it looks like your spike is long enough that the flowers are displayed well, so i woudn't worry.

Thank you. Yes, it's definitely receiving a lot of light. I was worried something went wrong.

That looks like a perfectly normal Phal equestris to me. It's not a huge plant. Spikes may branch, they may do keikis. And they are likely to spike on main spike, branches, and keikis all at once. No need to remove keikis, they'll do better left alone. But that's just what this species does. Enjoy!

Mine has three spikes. All different lengths. One is fading flowers, one just budded and one in keiki.