Hurts like a fucking son of a bitch, thanks for asking

Perhaps. But all plants are different, even two of the same kind. By simply giving up on one, you're losing anything it could contribute - even if that's only color.

[He pauses. A moment of trepidation flits through him; he didn't actually think this was going to work. But it's gone, replaced by a burgeoning confidence in this plan and himself.]

The first thing you should do when you arrive is check to make sure nothing's dead. If nothing looks that way, there's a box which I've set aside for you to plant what you want. If something does look brown or wilted, you can check if it's still alive by checking the stems. They should be green and pliable, but firm, like this one.

[He indicates a nearby rosebush, showing the healthy stems.]