Fred,
Don't know if it will help for you, but I use a cup or so of Gain Fabric Softener to a gallon of water in my sprayer
and use it on everything! Until I started doing that, deer completely destroyed my apple trees every single year,
as well as everything in my garden, especially sweet potatoes. I will spray every three weeks or so, or after a
really hard rain. With the daylilies, they will occasionally nip off a bud if it is up and inviting, but you will usually
find it on the ground next to the plant. Normally they just move on.
Before trying fabric softener, I got some very expensive deer away stuff, and nearly killed everything with it-
and it was really nasty stuff. At least the fabric softener is cheap, and if you get overspray on you while you
are spraying, your wife won't mind at all. If you try it, please let us know if it works for you.