About Us
Your Local Landscaping Company
Professor Green Thumb has provided beautiful, quality full-service commercial and luxury residential landscaping to the Tampa Bay Area since 2004.
We are proud to be your local, go-to team for your commercial and luxury residential landscaping services. Offering our expertise in St. Petersburg, Tampa, Belleair, and Clearwater, Professor Green Thumb has the tools and experience to keep your landscape in peak condition year-round.
You can count on the Professors to know:
- What needs to be trimmed
- When to trim for maximize flowering
- What height to cut grass to avoid burning
- Which mow patterns to use to avoid ruts and grooves
- Which flowers love which seasons
- When and how much water
The Owner – Shannon Smithson
A St. Pete native, Shannon Smithson established Professor Green Thumb while getting his bachelor’s degree at USF, but he’s been mowing lawns since middle school. Yeah, he was the neighborhood kid who toted his mower door to door, asking if he could cut your lawn.
Each Yes inspired his growth. Each No fueled his drive.
Eventually, he built Professor Green Thumb which now has crews in St. Petersburg, Clearwater, Belleair, and Tampa. Shannon knows it’s a privilege to care for your outdoor space.
A word from Shannon
It all started when I was 8 years old. My father had the nicest yard on the block. Let’s just say the grass was always greener where I stood—not a weed in sight, perfectly groomed shrubs, fresh mulch, and a sturdy oak to climb.
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I looked forward to Saturday mornings, working side by side with Pops—mowing, edging, and weeding. We’d pick up fallen leaves to keep them from suffocating the lush lawn.
Not only did my father instill in me a good work ethic but he taught me to take pride in everything I do, especially when it comes to caring for the yard and outdoor living spaces.
I haven’t forgotten Pop’s lessons and have passed them, along with other knowledge I’ve gained along the way, to the Professor Green Thumb team.
Not only did my father instill in me a good work ethic but he taught me to take pride in everything I do, especially when it comes to caring for the yard and outdoor living spaces.
I haven’t forgotten Pop’s lessons and have passed them, along with other knowledge I’ve gained along the way, to the Professor Green Thumb team.
I'm as committed today to bringing your lawn and landscape dreams to life as I was pushing that mower when I was my son's age.
Areas We Service
Whether you are creating a new landscape or redesigning an existing one, you want the assurance that your expectations are met. Professor Green Thumb is a local family-owned and fully licensed, lawn care service provider committed to quality outdoor living since 2004.
- Belleair
- Clearwater
- St. Petersburg
- Tampa
We're the local landscaping company you can count on.
But don’t take our word for it. Read the Google Reviews, or better yet, see for yourself.
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I just had a patio, pathway and gardens installed on three sides of my home. A huge job and Professor Green Thumb did all of this in three weeks and for a reasonable price. They sent the same people every day so I knew who was coming. They were punctual … More and polite. Cleaned up every day leaving no trash at all. I was exceedingly pleased with their service and will surely hire them for maintenance. Thank you GREEN THUMB because I do not have a green thumb at all.
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I had a very good experience using this company. The team that worked on my yard showed up as scheduled and were friendly, reviewed what was outlined in my estimate (done by Shannon who showed up on time and was knowledgeable in his suggestions). The … More guys worked hard meeting and exceeding those expectations. I am a very satisfied customer who has recieved multiple compliments on my yard. Thanks again guys!!
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Excellent experience with Professor Green Thumb. Shannon was friendly and extremely knowledgable. He gave us a professional design and provided us with great ideas to further the concept we wanted for our landscaping. His team was punctual and always … More cleaned up at the end of the work day. Highly recommended.
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Professor Green Thumb did an outstanding job on our landscaping job. They were on time, came within budget and quote, and very polite crew. I highly recommend them.
