Ahh yes tree spikes. While at a local pond specific nursery they wanted to
sell me spikes they brought in in bulk for $3 Cdn each. The next day while
in a general garden/farm store I found the jobes - five in a package for
$3.99. They are 8-16-16. Much cheaper and seem to work just fine.

Heather

You might want to look for the Tomato spikes by Jobes, you don't have to
break them up and their numbers are better, something like 8-28-8. You want
that high middle number for blooms. ~ jan

~Power to the Porg, Flow On!~