Commercial horticultural grow lights for greenhouses and indoor farms. The Lighting Knowledge Company since 1981.
Hamilton, Ontario
Joined June 2016
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@PLlight is proud to be celebrating our 45th anniversary specializing in commercial #horticultural lighting products. 🎉💡
#lightingknowledgecompany #horticulture #lighting #supportlocalgrowers #anniversary #madeincanada #LED #greenhouse #CEA #growlight
P.L. Light Systems retweeted
The partnership with Dutch Lighting Innovations will keep @PLlight independent while expanding its horticultural lighting services.
#Greenhouse #Greenhouses #Floriculture #Horticulture #LEDlighting #Lighting #Partnership
ow.ly/Qn8b50ZnX6k
Since 1981, @PLlight has been focused on producing the highest quality horticultural lighting in North America. For our 45th anniversary, we'll be celebrating all the ways that we're able to stimulate, support, and sustain growth within the CEA industry: bit.ly/4mnh4it
Congrats to our friends over at @SaladDaysPro for the opening of their new 68,000 sq. ft. facility! Read more:
hortidaily.com/article/98210…
@PLlight is excited to be exhibiting at #IndoorAgCon this year in Las Vegas. We are also thrilled to be able to offer a discount to anyone interested in attending. Use discount code EX20 to save 20% on your Full Access pass when registering here: invt.io/1exbfsor10b
Thank you to all our customers, dealers, suppliers, colleagues, friends, and family for your continued support. The @PLlight team wishes everyone a happy holiday season and a safe and healthy 2026!
🚨Holiday Office Hours Notice🚨
The @PLlight office will close for the holidays on Wednesday, December 24 at noon and re-open on Friday, January 2 at 08:00 EST. Our last shipping day is Monday, December 22.
Wishing you all a happy and healthy holiday season and new year! ☃️
P.L. Light Systems retweeted
A new Biological Solutions Advisor joins @BioWorksInc while EHR and @PLlight add members to their sales teams.
#Greenhouse #Greenhouses #Agriculture #Floriculture #Horticulture #Biologicals #Business #Lighting #Management #NewHires #Sales
ow.ly/UiXi50XuiWT
Did you know today is National Poinsettia Day?! Established by US Congress in 2002, honoring Joel Poinsett, who brought the plant from Mexico to the U.S. in the 1820s. Celebrate by displaying a poinsettia or gifting one to a friend.💐
Join us at #IndoorAgCon2026 and save 20% off a Full Access pass with our promo code EX20. It's the largest #greenhouse, controlled environment agriculture, vertical farm industry gathering!
Learn more and register here: invt.io/1lxbghyv64e
From our @PLlight family to yours, we wish all our American employees, customers, dealers, suppliers, and friends a warm and joyful #Thanksgiving surrounded by good food, laughter, and loved ones. 🦃🍂
#HappyThanksgiving #AmericanThanksgiving #Family #Gratitude
#TBT to these ornamental #Gerberas thriving under uniform HPS lighting of our NXT2 luminaires. To achieve the long stems and strong flower heads, the ornamental greenhouse required consistent light intensities with radiant heat for the winter temperatures. bit.ly/49MLFBy
It’s moments like these that give us a real sense of hope and optimism! A greenhouse in northern Quebec is more than just a building — it’s a symbol of resilience, community, and food sovereignty.🌱
Read full article on @CBC: bit.ly/4paUqtv
Have you measured your light and spectral output recently?
Learn more about the importance of measuring your light levels in our new Expert Article: bit.ly/3Lzz0b7
#measurement #metrics #horticulture #greenhouses #lightingknowledgecompany #supportlocalgrowers
We are excited to welcome Joey Viegas into the @PLlight team as a Regional Sales Manager - Central & Western USA.
Joey brings with him a deep background in greenhouse and #horticultural products including #lighting, control systems, and #greenhouse structures.
#teamwork
The only thing spooky about your greenhouse should be the decorations—not your lighting!
Keep your plants thriving (and the ghouls out of the shadows) with lighting you can depend on.💡🎃
#HappyHalloween #LetThereBeLight #PLLightSystems #SupportLocalGrowers
The @PLlight team is excited to exhibit at #QuébecVert Expo 2025. Stop by booth J-1137 to meet our team and check out the latest product offerings. We'll also be showcasing our #LED products in the E-Novation Zone in partnership with GHL.
#tradeshow #horticulture #events
Many states are offering rebates for agricultural lighting projects—and @PLlight can help you maximize your return.
✔ Compatible with HPS and LED
✔ Ease of retrofit—fully integrable with major control systems
✔ Only 2% rebate fee, compared to the industry’s 10–20% standard
What an energizing few days for the @PLlight team last week at @IntFreshProduce #GPFS25!
From groundbreaking innovations and insightful conversations to reconnecting with familiar faces and discovering new ones, this event reminded us why we love what we do!🥑🫐🥝
#AgTech
Great article highlighting the value of the @DesignLightsSSL and their quality standard in the Horticultural Qualified Products Lst (Hort QPL).
Smarter Light = Bigger Yields, Lower Costs
Every 1% drop in light uniformity can mean a 1% drop in yield
bit.ly/4qkX69n