From the abstract: >up to +2.5% for basil and +35% for spinach There's a reason for this: Spinach cannot tolerate mid-summer heat, and doesn't need full sunli

From the abstract: >up to +2.5% for basil and +35% for spinach There's a reason for this: Spinach cannot tolerate mid-summer heat, and doesn't need full sunlight. Was told this by local organic farmers here in coastal SoCal -- and because my own backyard plantings turned yellow and died.