This site works best with JavaScript enabled. Please enable JavaScript to get the best experience from this site.
Sometimes it can be less then 3 days, but other times it will take a week or so, though I've never seen anything more than 5 days myself .
Just give it awhile, if it has been a long time then you may have to see if your tree can actually grow where you planted it.
I never tried underground trees.
I Support Mama Luigi!