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Greenhouse Growing Tips


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Tips on Using Fluorescent Lights

These lights are recommended for starting seeds and cuttings. They are also popular for growing herbs and other low-light plants like African Violets. Fluorescent lights are "low intensity" and need to be within 6" x 8" of the plants to be effective.

Application

Lamp Watts in Sq. Ft.

Lamp Height Above Plant Tops

Bulb Type

Germination

10

6" - 8"

Standard

Shade Loving Plants

15

12" - 15"

Standard

Sun Loving Plants

20

12" - 15"

Full Spectrum

Length of Lighting Time (Photoperiod):

Starting seedlings and cuttings: 16 hours; 20 hours max.

  • Short-day plants: 10 - 13 hours
  • Long-day plants: 14 - 18 hours
  • Day neutral: 12 - 18 hours

(Caution: Inexpensive "shop lites" can greatly shorten tube life.)



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