関連ワード:  why does my lemon tree have spikes    why does my lemon plant have spikes    why does my lemon tree have thorns    why does my citrus tree have thorns    why does my meyer lemon tree have thorns    why does my lemon tree have large thorns    why does my lemon tree have so many thorns    why does lemon tree have thorns    should my lemon tree have thorns    do lemon trees have spikes