I need help im trying to figure out what cheap light bulbs grow plants?
i have one of those swirlly light bulbs that are supposed too save energy will this work it says
Helical 13W
120VAC 60hz 180mA
FLE 13HT3/2/SW
FC
Will this work pls help i nead cheap cheap and somthing i can buy at a store a Normal store not like wallmart or the mall a small hardware store
Florescent lights have been used for growing plants probably since their inception. I remember my aunt growing African violets beneath 4 foot tubes in the 50s. Florescent tubes are used to illuminate aquariums as well. The sizes of long florescent bulbs are listed as T12, T8, and T5. The T stands for tubular and the number for eighths of an inch; T12 = 1 & 1/2 inch, T5 = 5/8 inch. CFL florescent correspond to approximately T4 in size. The smaller the diameter of the tube the hotter the lamp is. T12s are so cool they can be in direct contact with a plant without burning it. T8s are still fairly cool, but T5s will scorch any leaves that touch them. CFLs should not be allowed to touch the plant; danger of combustion is low, but not impossible. However, plants can be much closer to CFL bulbs than to incandescent bulbs.
You can buy a basic strip light fixture used in bathrooms for under $20. These were made to hold the globe bulbs without shades, but they hold any standard base bulb including CFLs. The fixture can be mounted so the bulbs orient to the plants horizontally, or vertically. Supposedly more light is directed out the end of CFLs than from the sides, but I cannot confirm this.
One other thing you might consider is “color temperature” which has nothing to do with actual temperature. Plants tend to use specific wave lengths of light for particular types of growth. Blue light is said to promote leaf growth, and red light to promote flowering. The higher Kelvin or K number the bluer the light. This number is often, but not always printed on the base of the bulb. A full spectrum, or daylight bulb, as well as soft-white all produce a warmer color light. Below are links to an article on CFLs, and to a picture of a strip light fixture.
Squash plant timelapse, 45 000
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