The wife and I just got some dogs a few weeks ago, a terrier and a lab. The lab is (supposedly) one-year and the terrier five months. The terrier seems to love chomping plants off and chewing on them as she gets bored chewing on everything else. The lab seems to dig a little and I believe it was her that dug up a thyme plant. Is there anything we could spray on the plants to avoid this? I was thinking maybe vinegar as it has a strong taste and they might not like it. Any help is appreciated.