A business card will let the people know about your business. Just make sure that your landscaping business cards look good or else they will only be scoffed at, or worst thrown down the trash can. If your business cards are poorly-designed, people will think that you are incapable of creating a beautiful lawn for them. But when you have great-looking business cards, people will surely think that you are creative and you have a great taste. And satisfied customers will then refer you to their friends, relatives, or colleagues.  A great-looking business card plus a lot of referrals will quickly expand your business opportunities.