Lighting for Tomatoes

by Angela
(East Texas)

I've been using the bucket method for some plants that require lights on 18 hours/off 6 hours during the vegetative stage and then to a 12/12 for "fruiting". Is this the same for tomatoes since they also have a growth and flowering stage? Or do they just work like an autoflower plant and remain at 18/6 throughout their growth cycle?
Thanks!

----------------------------------------------------------

Answer from Stella/Simon:

Hi Angela,

We drop the light cycle to 12/12 for all of our fruiting/flowering plants, tomatoes included.

We do 3 things when the plant starts flowering:
1. Change from MH to HPS bulb.
2. Change nutrient solution to flowering ratio
3. Drop "lights on" from 14 to 16 down to 12 hours per day.

You'll find nice summaries on these 2 pages:
Mixing Nutrient Solution

What Next


Hope this helps!

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