Glentronics PL-1 Intelligent Plant Light

by Glentronics

Product Features

• Plant light; automatically changes amount of light depending on season
• Just set season once; internal computer chip starts daylight cycle, simulating nature's clock
• 9-watt, full-spectrum fluorescent bulb mimics sun's rays for optimum growth
• Patent-pending design; sensor indicates when plant needs water
• Accommodates plant up to 14 inches tall in a 5-1/2-inch pot

Product Details

• Shipping Weight: 3 pounds (View shipping rates and policies)
• Shipping: This item is also available for shipping to select countries outside the U.S.
• ASIN: B0007CXXB4
• Item model number: PL-1
• Average Customer Review: 3.8 out of 5 stars  See all reviews (62 customer reviews)
• Amazon Best Sellers Rank: #1,442 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
  • #12 in Patio, Lawn & Garden > Plants & Planting > Plant Germination Equipment > Growing Lamps

Product Description

Amazon.com Product Description

Keep indoor plants healthy with this ingenious plant light from Glentronics. Its patent-pending assembly automatically changes the amount of light it gives the plant, depending on whether it's spring, summer, fall, or winter. Just set the season once, and the lamp's internal computer chip starts the daylight cycle, simulating Mother Nature. A 9-watt, full-spectrum fluorescent bulb mimics the sun's rays for optimal growth. As if that wasn't helpful enough, an accompanying sensor signals when plant needs water. The lamp accommodates plants up to 14 inches tall in a 5-1/2-inch pot.

Product Description

The Intelligent Plant Light contains a computer chip that automatically changes the amount of light your plants get with each season

Customer Reviews

Most Helpful Customer Reviews

58 of 62 people found the following review helpful:

2.0 out of 5 stars Honest comments from a bonsai expert, April 4, 2005

By 

Bonsai Fan - See all my reviews

This review is from: Glentronics PL-1 Intelligent Plant Light (Lawn & Patio)

This "plant light" may be okay for a low grown plant that needs little light, but is definitely not as good as it claimed for most bonsai trees for the following reasons:
1. The 9 watt florescent light is not sufficient for bonsai (as a full grown tree).
2. The sensor only works in regular potting soils but not bonsai soils since bonsai soils promote drainage.
3. Although the pebbled base holds water, it only provides a minimum of the surrounded humidity to your tree since the place is not enclosed.
4. The said "Intelligent Four Seasons" light has never been useful indoors since the indoor's temperature has never changed as it has done in nature. That is, your tree will not go through dormancy indoors; an insufficient light during winter will definitely kill your indoor tree.
Get a 50 watt Phillips made Agro-Lite plant light bulb plus a humidity tray in your local hardware store instead. It costs you less than $10; and, it will provide a better result. Even with the help of the plant light, it is recommended that your bonsai tree needs sufficient sunlight in order to thrive!

26 of 28 people found the following review helpful:

3.0 out of 5 stars Fairly neat, but no way to adjust the TIME!, January 6, 2007

By 

G.B.D. (New England) - See all my reviews

This review is from: Glentronics PL-1 Intelligent Plant Light (Lawn & Patio)

When I bought this lamp (for a mini rose), it seemed to have every option covered. When I got it, I found a couple of faults, one a major problem: the minute you plug it in, the timer assumes it is dawn, around 7 AM (Midwest time), and it starts its daylong timing from plug-in.

When you plug it in at 4 PM (as I did), the lamp still thinks it's dawn! I gave this to my mother who cannot reach down to unplug and plug in the lamp at dawn. Stupid error on lamp maker's part. They should have included a way to set the time, not only the season.

Second: The water probe needs to be almost falling out for a plant like the rose. If set in all the way, it calls for water ONLY when the soil is completely dry (cacti?)...another not too intelligent way to operate on what are obviously small potted plants. This might be ok for a huge pot, but not on the mini rose.

We've kept the lamp and I cross my fingers that it works as stated, re: adequate amount of light. I like the all-in-one features: the adjustable height, the fact that it is a fluoro, with true daylight color, the water tray with pebbles to raise up the pot, and the color and size which seem to blend in almost anywhere. The little yellow rose looks nice when lit...now if only I can get back to Mom's house at dawn to reset the timer (unplug and replug) so that she can see the plant all day!

Otherwise it seems to be pretty convenient for someone who does not have a green thumb, or has a "black thumb" as the blurb on the package says.

One more thought: this lamp is very hard to find on sale anyplace other than amazon...all (99%) roads lead back to amazon. I wrote to the mfgr about this and was given a very limited list of geographic locations for purchase, none of which was even close to where I live (CT). It was on wait-list at amazon!

16 of 16 people found the following review helpful:

5.0 out of 5 stars My bonsai love the plant light, February 13, 2006

By 

3DVinci (Virginia) - See all my reviews

This review is from: Glentronics PL-1 Intelligent Plant Light (Lawn & Patio)

I really didn't expect it to do too well as I planned on using it for emergency revival of my two sickly bonsai. I got it set up in my office (no windows at all) and placed my two sad trees under it.

One is a serissa, surviving its dim place in the house, the other is a small ligustrum which has been dropping leaves over the last 3 weeks. On friday I watered them, turned on the light (set for winter) and set the lamp 3 inches over the ligustrum (the taller of the two).

Monday I came in and the ligustrum already has new growth... I'm happy and the bonsai are happy.